AMERICAN CENTURY INVESTMENT MANAGEMENT INC

13D and 13G Filings

13D/G filings: 13G on 88 securities
CIK: 0000052388
All SEC filings: View on sec.gov

Issuer	Symbol	CUSIP	% of Class	Shares	Form	Filed
Infinity Natural Resources, Inc. 13G/A Amendment 2 INR · 456941103	INR	456941103	11.7%	1,834,586	13G/A Amendment 2	1/8/2026 Event 12/31/2025
American Century Capital Portfolios, Inc.			7.3%	1,146,788
American Century Investment Management, Inc.			11.7%	1,834,586
American Century Companies, Inc.			11.7%	1,834,586
Stowers Institute for Medical Research			11.7%	1,834,586
National Vision Holdings, Inc. 13G EYE · 63845R107	EYE	63845R107	5.6%	4,391,844	13G	11/14/2025 Event 9/30/2025
American Century Investment Management, Inc.			5.6%	4,391,844
American Century Companies, Inc.			5.6%	4,391,844
Stowers Institute for Medical Research			5.6%	4,391,844
Kennametal Inc. 13G KMT · 489170100	KMT	489170100	5.5%	4,221,461	13G	11/14/2025 Event 9/30/2025
American Century Investment Management, Inc.			5.5%	4,221,461
American Century Companies, Inc.			5.5%	4,221,461
Stowers Institute for Medical Research			5.5%	4,221,461
Titan Machinery Inc. 13G/A Amendment 1 TITN · 88830R101	TITN	88830R101	4.9%	1,157,179	13G/A Amendment 1	11/14/2025 Event 9/30/2025
American Century Investment Management, Inc.			4.9%	1,157,179
American Century Companies, Inc.			4.9%	1,157,179
Stowers Institute for Medical Research			4.9%	1,157,179
Spire Inc. 13G/A Amendment 12 SR · 84857L101	SR	84857L101	4.6%	2,708,444	13G/A Amendment 12	11/14/2025 Event 9/30/2025
American Century Investment Management, Inc.			4.6%	2,708,444
American Century Companies, Inc.			4.6%	2,708,444
Stowers Institute for Medical Research			4.6%	2,708,444
MSC Industrial Direct Co., Inc. 13G/A Amendment 1 MSM · 553530106	MSM	553530106	4.8%	2,688,133	13G/A Amendment 1	11/14/2025 Event 9/30/2025
American Century Investment Management, Inc.			4.8%	2,688,133
American Century Companies, Inc.			4.8%	2,688,133
Stowers Institute for Medical Research			4.8%	2,688,133
IBEX Limited 13G/A Amendment 5 IBEX · G4690M101	IBEX	G4690M101	4.4%	590,053	13G/A Amendment 5	11/14/2025 Event 9/30/2025
American Century Capital Portfolios, Inc.			1.2%	155,000
American Century Investment Management, Inc.			4.4%	590,053
American Century Companies, Inc.			4.4%	590,053
Stowers Institute for Medical Research			4.4%	590,053
Blue Bird Corporation 13G/A Amendment 2 BLBD · 095306106	BLBD	095306106	4.2%	1,334,710	13G/A Amendment 2	11/14/2025 Event 9/30/2025
American Century Investment Management, Inc.			4.2%	1,334,710
American Century Companies, Inc.			4.2%	1,334,710
Stowers Institute for Medical Research			4.2%	1,334,710
Axcelis Technologies, Inc. 13G/A Amendment 1 ACLS · 054540208	ACLS	054540208	4.3%	1,345,761	13G/A Amendment 1	11/14/2025 Event 9/30/2025
American Century Investment Management, Inc.			4.3%	1,345,761
American Century Companies, Inc.			4.3%	1,345,761
Stowers Institute for Medical Research			4.3%	1,345,761
Spectrum Brands Holdings, Inc. 13G/A Amendment 2 SPB · 84790A105	SPB	84790A105	8.5%	2,052,850	13G/A Amendment 2	11/14/2025 Event 9/30/2025
American Century Capital Portfolios, Inc.			5.4%	1,295,698
American Century Investment Management, Inc.			8.5%	2,052,850
American Century Companies, Inc.			8.5%	2,052,850
Stowers Institute for Medical Research			8.5%	2,052,850
Si-Bone, Inc. 13G/A Amendment 2 SIBN · 825704109	SIBN	825704109	6.6%	2,838,107	13G/A Amendment 2	11/14/2025 Event 9/30/2025
American Century Mutual Funds, Inc.			5.3%	2,272,347
American Century Investment Management, Inc.			6.6%	2,838,107
American Century Companies, Inc.			6.6%	2,838,107
Stowers Institute for Medical Research			6.6%	2,838,107
Entravision Communications Corporation 13G/A Amendment 21 EVC · 29382R107	EVC	29382R107	12.1%	9,855,247	13G/A Amendment 21	11/14/2025 Event 9/30/2025
American Century Capital Portfolios, Inc.			8.3%	6,763,221
American Century Investment Management, Inc.			12.1%	9,855,247
American Century Companies, Inc.			12.1%	9,855,247
Stowers Institute for Medical Research			12.1%	9,855,247
Edgewell Personal Care Company 13G/A Amendment 5 EPC · 28035Q102	EPC	28035Q102	8.5%	3,950,190	13G/A Amendment 5	11/14/2025 Event 9/30/2025
American Century Capital Portfolios, Inc.			5.4%	2,488,777
American Century Investment Management, Inc.			8.5%	3,950,190
American Century Companies, Inc.			8.5%	3,950,190
Stowers Institute for Medical Research			8.5%	3,950,190
Compass DIversified Holdings 13G/A Amendment 5 CODI · 20451Q104	CODI	20451Q104	6.6%	4,957,634	13G/A Amendment 5	11/14/2025 Event 9/30/2025
American Century Capital Portfolios, Inc.			4.3%	3,265,000
American Century Investment Management, Inc.			6.6%	4,957,634
American Century Companies, Inc.			6.6%	4,957,634
Stowers Institute for Medical Research			6.6%	4,957,634
Spectrum Brands Holdings, Inc. 13G/A Amendment 1 SPB · 84790A105	SPB	84790A105	7.3%	1,792,765	13G/A Amendment 1	8/14/2025 Event 6/30/2025
American Century Investment Management, Inc.			7.3%	1,792,765
American Century Companies, Inc.			7.3%	1,792,765
Stowers Institute for Medical Research			7.3%	1,792,765
Visteon Corporation 13G/A Amendment 2 VC · 92839U206	VC	92839U206	8.2%	2,222,551	13G/A Amendment 2	8/14/2025 Event 6/30/2025
American Century Investment Management, Inc.			8.2%	2,222,551
American Century Companies, Inc.			8.2%	2,222,551
Stowers Institute for Medical Research			8.2%	2,222,551
Spire Inc. 13G/A Amendment 11 SR · 84857L101	SR	84857L101	5.6%	3,302,369	13G/A Amendment 11	8/14/2025 Event 6/30/2025
American Century Investment Management, Inc.			5.6%	3,302,369
American Century Companies, Inc.			5.6%	3,302,369
Stowers Institute for Medical Research			5.6%	3,302,369
Repay Holdings Corporation 13G/A Amendment 1 RPAY · 76029L100	RPAY	76029L100	6.8%	6,440,443	13G/A Amendment 1	8/14/2025 Event 6/30/2025
American Century Investment Management, Inc.			6.8%	6,440,443
American Century Companies, Inc.			6.8%	6,440,443
Stowers Institute for Medical Research			6.8%	6,440,443
Proficient Auto Logistics, Inc. 13G/A Amendment 1 PAL · 74317M104	PAL	74317M104	6.6%	1,795,883	13G/A Amendment 1	8/14/2025 Event 6/30/2025
American Century Investment Management, Inc.			6.6%	1,795,883
American Century Companies, Inc.			6.6%	1,795,883
Stowers Institute for Medical Research			6.6%	1,795,883
Northern Oil and Gas, Inc. 13G/A Amendment 1 NOG · 665531307	NOG	665531307	8.1%	8,033,428	13G/A Amendment 1	8/14/2025 Event 6/30/2025
American Century Investment Management, Inc.			8.1%	8,033,428
American Century Companies, Inc.			8.1%	8,033,428
Stowers Institute for Medical Research			8.1%	8,033,428
Kosmos Energy Ltd. 13G/A Amendment 1 KOS · 500688106	KOS	500688106	7.0%	33,411,046	13G/A Amendment 1	8/14/2025 Event 6/30/2025
American Century Investment Management, Inc.			7.0%	33,411,046
American Century Companies, Inc.			7.0%	33,411,046
Stowers Institute for Medical Research			7.0%	33,411,046
Infinity Natural Resources, Inc. 13G/A Amendment 1 INR · 456941103	INR	456941103	8.0%	1,211,051	13G/A Amendment 1	8/14/2025 Event 6/30/2025
American Century Capital Portfolios, Inc.			5.2%	790,102
American Century Investment Management, Inc.			8.0%	1,211,051
American Century Companies, Inc.			8.0%	1,211,051
Stowers Institute for Medical Research			8.0%	1,211,051
MarineMax, Inc. 13G/A Amendment 6 HZO · 567908108	HZO	567908108	11.3%	2,432,173	13G/A Amendment 6	8/14/2025 Event 6/30/2025
American Century Capital Portfolios, Inc.			7.4%	1,579,521
American Century Investment Management, Inc.			11.3%	2,432,173
American Century Companies, Inc.			11.3%	2,432,173
Stowers Institute for Medical Research			11.3%	2,432,173
Enovis Corporation 13G/A Amendment 1 ENOV · 194014502	ENOV	194014502	8.3%	4,737,327	13G/A Amendment 1	8/14/2025 Event 6/30/2025
American Century Capital Portfolios, Inc.			5.4%	3,060,000
American Century Investment Management, Inc.			8.3%	4,737,327
American Century Companies, Inc.			8.3%	4,737,327
Stowers Institute for Medical Research			8.3%	4,737,327
Embecta Corp. 13G/A Amendment 3 EMBC · 29082K105	EMBC	29082K105	8.9%	5,195,948	13G/A Amendment 3	8/14/2025 Event 6/30/2025
American Century Capital Portfolios, Inc.			5.9%	3,460,379
American Century Investment Management, Inc.			8.9%	5,195,948
American Century Companies, Inc.			8.9%	5,195,948
Stowers Institute for Medical Research			8.9%	5,195,948
Blue Bird Corporation 13G/A Amendment 1 BLBD · 095306106	BLBD	095306106	7.2%	2,267,131	13G/A Amendment 1	8/14/2025 Event 6/30/2025
American Century Investment Management, Inc.			7.2%	2,267,131
American Century Companies, Inc.			7.2%	2,267,131
Stowers Institute for Medical Research			7.2%	2,267,131
Axcelis Technologies, Inc. 13G ACLS · 054540208	ACLS	054540208	5.2%	1,659,463	13G	8/14/2025 Event 6/30/2025
American Century Investment Management, Inc.			5.2%	1,659,463
American Century Companies, Inc.			5.2%	1,659,463
Stowers Institute for Medical Research			5.2%	1,659,463
Albany International Corp. 13G AIN · 012348108	AIN	012348108	5.6%	1,697,965	13G	8/14/2025 Event 6/30/2025
American Century Investment Management, Inc.			5.6%	1,697,965
American Century Companies, Inc.			5.6%	1,697,965
Stowers Institute for Medical Research			5.6%	1,697,965
Wingstop Inc. 13G WING · 974155103	WING	974155103	5.6%	1,558,578	13G	8/14/2025 Event 6/30/2025
American Century Investment Management, Inc.			5.6%	1,558,578
American Century Companies, Inc.			5.6%	1,558,578
Stowers Institute for Medical Research			5.6%	1,558,578
Luxfer Holdings PLC 13G LXFR · G5698W116	LXFR	G5698W116	5.1%	1,409,329	13G	8/14/2025 Event 6/30/2025
American Century Investment Management, Inc.			5.1%	1,409,329
American Century Companies, Inc.			5.1%	1,409,329
Stowers Institute for Medical Research			5.1%	1,409,329
Cable One, Inc. 13G/A Amendment 2 CABO · 12685J105	CABO	12685J105	4.2%	237,107	13G/A Amendment 2	8/14/2025 Event 6/30/2025
American Century Investment Management, Inc.			4.2%	237,107
American Century Companies, Inc.			4.2%	237,107
Stowers Institute for Medical Research			4.2%	237,107
JELD-WEN Holding, Inc. 13G/A Amendment 1 JELD · 47580P103	JELD	47580P103	3.6%	3,056,870	13G/A Amendment 1	8/14/2025 Event 6/30/2025
American Century Investment Management, Inc.			3.6%	3,056,870
American Century Companies, Inc.			3.6%	3,056,870
Stowers Institute for Medical Research			3.6%	3,056,870
Northwestern Energy Group, Inc. 13G/A Amendment 6 NWE · 668074305	NWE	668074305	4.8%	2,952,214	13G/A Amendment 6	8/14/2025 Event 6/30/2025
American Century Investment Management, Inc.			4.8%	2,952,214
American Century Companies, Inc.			4.8%	2,952,214
Stowers Institute for Medical Research			4.8%	2,952,214
Flowco Holdings Inc. 13G/A Amendment 1 FLOC · 342909108	FLOC	342909108	10.2%	2,621,621	13G/A Amendment 1	6/6/2025 Event 5/31/2025
American Century Capital Portfolios, Inc.			6.8%	1,753,619
American Century Investment Management, Inc.			10.2%	2,621,621
American Century Companies, Inc.			10.2%	2,621,621
Stowers Institute for Medical Research			10.2%	2,621,621
The Bancorp, Inc. 13G TBBK · 05969A105	TBBK	05969A105	5.5%	2,628,832	13G	5/15/2025 Event 3/31/2025
American Century Investment Management, Inc.			5.5%	2,628,832
American Century Companies, Inc.			5.5%	2,628,832
Stowers Institute for Medical Research			5.5%	2,628,832
Spectrum Brands Holdings, Inc. 13G SPB · 84790A105	SPB	84790A105	5.7%	1,489,976	13G	5/15/2025 Event 3/31/2025
American Century Investment Management, Inc.			5.7%	1,489,976
American Century Companies, Inc.			5.7%	1,489,976
Stowers Institute for Medical Research			5.7%	1,489,976
Infinity Natural Resources, Inc. 13G INR · 456941103	INR	456941103	6.5%	990,329	13G	5/15/2025 Event 3/31/2025
American Century Investment Management, Inc.			6.5%	990,329
American Century Companies, Inc.			6.5%	990,329
Stowers Institute for Medical Research			6.5%	990,329
Flowco Holdings, Inc. 13G FLOC · 342909108	FLOC	342909108	8.7%	2,242,968	13G	5/15/2025 Event 3/31/2025
American Century Capital Portfolios, Inc.			5.9%	1,521,164
American Century Investment Management, Inc.			8.7%	2,242,968
American Century Companies, Inc.			8.7%	2,242,968
Stowers Institute for Medical Research			8.7%	2,242,968
Blue Bird Corporation 13G BLBD · 095306106	BLBD	095306106	5.7%	1,825,754	13G	5/15/2025 Event 3/31/2025
American Century Investment Management, Inc.			5.7%	1,825,754
American Century Companies, Inc.			5.7%	1,825,754
Stowers Institute for Medical Research			5.7%	1,825,754
H&E Equipment Services, Inc. 13G/A Amendment 1 HEES · 404030108	HEES	404030108	3.2%	1,155,455	13G/A Amendment 1	5/15/2025 Event 3/31/2025
American Century Investment Management, Inc.			3.2%	1,155,455
American Century Companies, Inc.			3.2%	1,155,455
Stowers Institute for Medical Research			3.2%	1,155,455
Beacon Roofing Supply, Inc. 13G/A Amendment 1 BECN · 073685109	BECN	073685109	1.8%	1,087,100	13G/A Amendment 1	5/15/2025 Event 3/31/2025
American Century Investment Management, Inc.			1.8%	1,087,100
American Century Companies, Inc.			1.8%	1,087,100
Stowers Institute for Medical Research			1.8%	1,087,100
Visteon Corporation 13G/A Amendment 1 VC · 92839U206	VC	92839U206	7.0%	1,889,071	13G/A Amendment 1	5/15/2025 Event 3/31/2025
American Century Investment Management, Inc.			7.0%	1,889,071
American Century Companies, Inc.			7.0%	1,889,071
Stowers Institute for Medical Research			7.0%	1,889,071
Si-Bone, Inc. 13G/A Amendment 1 SIBN · 825704109	SIBN	825704109	6.2%	2,642,322	13G/A Amendment 1	5/15/2025 Event 3/31/2025
American Century Investment Management, Inc.			6.2%	2,642,322
American Century Companies, Inc.			6.2%	2,642,322
Stowers Institute for Medical Research			6.2%	2,642,322
ONE Gas, Inc. 13G/A Amendment 11 OGS · 68235P108	OGS	68235P108	6.6%	3,972,412	13G/A Amendment 11	5/15/2025 Event 3/31/2025
American Century Capital Portfolios, Inc.			4.4%	2,617,238
American Century Investment Management, Inc.			6.6%	3,972,412
American Century Companies, Inc.			6.6%	3,972,412
Stowers Institute for Medical Research			6.6%	3,972,412
Graphic Packaging Holding Company 13G/A Amendment 1 GPK · 388689101	GPK	388689101	6.6%	20,000,375	13G/A Amendment 1	5/15/2025 Event 3/31/2025
American Century Investment Management, Inc.			6.6%	20,000,375
American Century Companies, Inc.			6.6%	20,000,375
Stowers Institute for Medical Research			6.6%	20,000,375
Embecta Corp. 13G/A Amendment 2 EMBC · 29082K105	EMBC	29082K105	7.4%	4,326,335	13G/A Amendment 2	5/15/2025 Event 3/31/2025
American Century Capital Portfolios, Inc.			5.0%	2,931,718
American Century Investment Management, Inc.			7.4%	4,326,335
American Century Companies, Inc.			7.4%	4,326,335
Stowers Institute for Medical Research			7.4%	4,326,335
Cable One, Inc. 13G/A Amendment 1 CABO · 12685J105	CABO	12685J105	6.3%	355,680	13G/A Amendment 1	5/15/2025 Event 3/31/2025
American Century Investment Management, Inc.			6.3%	355,680
American Century Companies, Inc.			6.3%	355,680
Stowers Institute for Medical Research			6.3%	355,680
Solo Brands, Inc. 13G/A Amendment 4 DTCB · 83425V104	DTCB	83425V104	1.0%	568,014	13G/A Amendment 4	4/7/2025 Event 3/31/2025
American Century Capital Portfolios, Inc.			0.7%	416,139
American Century Investment Management, Inc.			1.0%	568,014
American Century Companies, Inc.			1.0%	568,014
Stowers Institute for Medical Research			1.0%	568,014
Visteon Corporation 13G VC · 92839U206	VC	92839U206	5.7%	1,575,000	13G	2/14/2025 Event 12/31/2024
American Century Investment Management, Inc.			5.7%	1,575,000
American Century Companies, Inc.			5.7%	1,575,000
Stowers Institute for Medical Research			5.7%	1,575,000
The Timken Company 13G TKR · 887389104	TKR	887389104	5.0%	3,530,662	13G	2/14/2025 Event 12/31/2024
American Century Investment Management, Inc.			5.0%	3,530,662
American Century Companies, Inc.			5.0%	3,530,662
Stowers Institute for Medical Research			5.0%	3,530,662
Repay Holdings Corporation 13G RPAY · 76029L100	RPAY	76029L100	5.1%	4,692,913	13G	2/14/2025 Event 12/31/2024
American Century Investment Management, Inc.			5.1%	4,692,913
American Century Companies, Inc.			5.1%	4,692,913
Stowers Institute for Medical Research			5.1%	4,692,913
H&E Equipment Services, Inc. 13G HEES · 404030108	HEES	404030108	5.8%	2,134,252	13G	2/14/2025 Event 12/31/2024
American Century Investment Management, Inc.			5.8%	2,134,252
American Century Companies, Inc.			5.8%	2,134,252
Stowers Institute for Medical Research			5.8%	2,134,252
Enovis Corporation 13G ENOV · 194014502	ENOV	194014502	6.4%	3,566,546	13G	2/14/2025 Event 12/31/2024
American Century Investment Management, Inc.			6.4%	3,566,546
American Century Companies, Inc.			6.4%	3,566,546
Stowers Institute for Medical Research			6.4%	3,566,546
Cable One, Inc. 13G CABO · 12685J105	CABO	12685J105	5.2%	295,076	13G	2/14/2025 Event 12/31/2024
American Century Investment Management, Inc.			5.2%	295,076
American Century Companies, Inc.			5.2%	295,076
Stowers Institute for Medical Research			5.2%	295,076
Spectrum Brands Holdings, Inc. 13G/A Amendment 1 SPB · 84790A105	SPB	84790A105	4.9%	1,375,177	13G/A Amendment 1	2/14/2025 Event 12/31/2024
American Century Investment Management, Inc.			4.9%	1,375,177
American Century Companies, Inc.			4.9%	1,375,177
Stowers Institute for Medical Research			4.9%	1,375,177
Envista Holdings Corporation 13G/A Amendment 1 NVST · 29415F104	NVST	29415F104	4.5%	7,666,991	13G/A Amendment 1	2/14/2025 Event 12/31/2024
American Century Investment Management, Inc.			4.5%	7,666,991
American Century Companies, Inc.			4.5%	7,666,991
Stowers Institute for Medical Research			4.5%	7,666,991
Northwestern Energy Group, Inc. 13G/A Amendment 5 NWE · 668074305	NWE	668074305	5.9%	3,610,095	13G/A Amendment 5	2/14/2025 Event 12/31/2024
American Century Investment Management, Inc.			5.9%	3,610,095
American Century Companies, Inc.			5.9%	3,610,095
Stowers Institute for Medical Research			5.9%	3,610,095
IBEX Limited 13G/A Amendment 4 IBEX · G4690M101	IBEX	G4690M101	5.6%	944,703	13G/A Amendment 4	2/14/2025 Event 12/31/2024
American Century Capital Portfolios, Inc.			3.2%	545,493
American Century Investment Management, Inc.			5.6%	944,703
American Century Companies, Inc.			5.6%	944,703
Stowers Institute for Medical Research			5.6%	944,703
Entravision Communications Corporation 13G/A Amendment 20 EVC · 29382R107	EVC	29382R107	13.1%	10,578,211	13G/A Amendment 20	2/14/2025 Event 12/31/2024
American Century Capital Portfolios, Inc.			9.0%	7,217,714
American Century Investment Management, Inc.			13.1%	10,578,211
American Century Companies, Inc.			13.1%	10,578,211
Stowers Institute for Medical Research			13.1%	10,578,211
Edgewell Personal Care Company 13G/A Amendment 4 EPC · 28035Q102	EPC	28035Q102	7.5%	3,630,810	13G/A Amendment 4	2/14/2025 Event 12/31/2024
American Century Capital Portfolios, Inc.			5.0%	2,450,000
American Century Investment Management, Inc.			7.5%	3,630,810
American Century Companies, Inc.			7.5%	3,630,810
Stowers Institute for Medical Research			7.5%	3,630,810

Includes filings since 12/18/2024, when the SEC began requiring structured 13D and 13G data.