Adage Capital Management, L.P.

13D and 13G Filings

13D/G filings: 13D on 2 securities, 13G on 147 securities
CIK: 0001535978
All SEC filings: View on sec.gov

Issuer	Symbol	CUSIP	% of Class	Shares	Form	Filed
Schedule 13G · 147 securities · passive
Solid Biosciences Inc. 13G/A SLDB · 83422E204	SLDB	83422E204	1.8%	1,400,000	13G/A	2/12/2026 Event 12/31/2025
Adage Capital Management, L.P.			1.8%	1,400,000
Robert Atchinson			1.8%	1,400,000
Phillip Gross			1.8%	1,400,000
Amylyx Pharmaceuticals, Inc. 13G/A AMLX · 03237H101	AMLX	03237H101	2.5%	2,777,055	13G/A	2/12/2026 Event 12/31/2025
Adage Capital Management, L.P.			2.5%	2,777,055
Robert Atchinson			2.5%	2,777,055
Phillip Gross			2.5%	2,777,055
Abeona Therapeutics Inc. 13G/A ABEO · 00289Y206	ABEO	00289Y206	0%	0	13G/A	2/12/2026 Event 12/31/2025
Adage Capital Management, L.P.			0%	0
Robert Atchinson			0%	0
Phillip Gross			0%	0
Crane Harbor Acquisition Corp. II 13G CRAN · G25014104	CRAN	G25014104	7.6%	2,700,000	13G	2/12/2026 Event 12/31/2025
Adage Capital Management, L.P.			7.6%	2,700,000
Robert Atchinson			7.6%	2,700,000
Phillip Gross			7.6%	2,700,000
Launchpad Cadenza Acquisition Corp I 13G LPCVU · G6001S123	LPCVU	G6001S123	5.4%	1,250,000	13G	2/12/2026 Event 12/31/2025
Adage Capital Management, L.P.			5.4%	1,250,000
Robert Atchinson			5.4%	1,250,000
Phillip Gross			5.4%	1,250,000
Leapfrog Acquisition Corporation 13G LFACU · G5414D129	LFACU	G5414D129	7.6%	1,125,000	13G	2/12/2026 Event 12/31/2025
Adage Capital Management, L.P.			7.6%	1,125,000
Robert Atchinson			7.6%	1,125,000
Phillip Gross			7.6%	1,125,000
Insight Digital Partners II 13G DYOR · G4814G105	DYOR	G4814G105	7.8%	1,350,000	13G	2/12/2026 Event 12/31/2025
Adage Capital Management, L.P.			7.8%	1,350,000
Robert Atchinson			7.8%	1,350,000
Phillip Gross			7.8%	1,350,000
Tailwind 2.0 Acquisition Corp. 13G TDWD · G8662J111	TDWD	G8662J111	7.6%	1,350,000	13G	2/12/2026 Event 12/31/2025
Adage Capital Management, L.P.			7.6%	1,350,000
Robert Atchinson			7.6%	1,350,000
Phillip Gross			7.6%	1,350,000
Hall Chadwick Acquisition Corp 13G HCACU · G42386121	HCACU	G42386121	7.6%	1,620,000	13G	2/12/2026 Event 12/31/2025
Adage Capital Management, L.P.			7.6%	1,620,000
Robert Atchinson			7.6%	1,620,000
Phillip Gross			7.6%	1,620,000
Evolution Global Acquisition Corp 13G EVOX · G3226F101	EVOX	G3226F101	7.9%	1,890,000	13G	2/12/2026 Event 12/31/2025
Adage Capital Management, L.P.			7.9%	1,890,000
Robert Atchinson			7.9%	1,890,000
Phillip Gross			7.9%	1,890,000
Minerva Neurosciences, Inc. 13G NERV · 603380205	NERV	603380205	6.4%	2,838,000	13G	2/12/2026 Event 12/31/2025
Adage Capital Management, L.P.			6.4%	2,838,000
Robert Atchinson			6.4%	2,838,000
Phillip Gross			6.4%	2,838,000
Karbon Capital Partners Corp. 13G KBONU · G5225W126	KBONU	G5225W126	7.6%	2,700,000	13G	2/12/2026 Event 12/31/2025
Adage Capital Management, L.P.			7.6%	2,700,000
Robert Atchinson			7.6%	2,700,000
Phillip Gross			7.6%	2,700,000
Dynamix Corp III 13G DNMX · G2949T109	DNMX	G2949T109	7.8%	1,575,000	13G	2/12/2026 Event 12/31/2025
Adage Capital Management, L.P.			7.8%	1,575,000
Robert Atchinson			7.8%	1,575,000
Phillip Gross			7.8%	1,575,000
Apex Treasury Corp 13G APXT · G04104108	APXT	G04104108	6.5%	2,250,000	13G	2/12/2026 Event 12/31/2025
Adage Capital Management, L.P.			6.5%	2,250,000
Robert Atchinson			6.5%	2,250,000
Phillip Gross			6.5%	2,250,000
General Purpose Acquisition Corp. 13G GPACU · G3810N122	GPACU	G3810N122	8.7%	1,800,000	13G	2/12/2026 Event 12/31/2025
Adage Capital Management, L.P.			8.7%	1,800,000
Robert Atchinson			8.7%	1,800,000
Phillip Gross			8.7%	1,800,000
American Drive Acquisition Co 13G ADACU · G0R91M121	ADACU	G0R91M121	5.4%	1,250,000	13G	2/12/2026 Event 12/31/2025
Adage Capital Management, L.P.			5.4%	1,250,000
Robert Atchinson			5.4%	1,250,000
Phillip Gross			5.4%	1,250,000
Bain Capital GSS Investment Corp. 13G BCSS · G0R78B106	BCSS	G0R78B106	6.4%	3,000,000	13G	2/12/2026 Event 12/31/2025
Adage Capital Management, L.P.			6.4%	3,000,000
Robert Atchinson			6.4%	3,000,000
Phillip Gross			6.4%	3,000,000
Pasithea Therapeutics Corp. 13G KTTA · 70261F202	KTTA	70261F202	10.0%	2,329,749	13G	2/12/2026 Event 12/31/2025
Adage Capital Management, L.P.			10.0%	2,329,749
Robert Atchinson			10.0%	2,329,749
Phillip Gross			10.0%	2,329,749
Activate Energy Acquisition Corp. 13G AEAQU · G0081J129	AEAQU	G0081J129	7.6%	1,800,000	13G	2/12/2026 Event 12/31/2025
Adage Capital Management, L.P.			7.6%	1,800,000
Robert Atchinson			7.6%	1,800,000
Phillip Gross			7.6%	1,800,000
Lifezone Metals Ltd 13G LZM · G5568L109	LZM	G5568L109	5.9%	5,075,122	13G	2/12/2026 Event 12/31/2025
Adage Capital Management, L.P.			5.9%	5,075,122
Robert Atchinson			5.9%	5,075,122
Phillip Gross			5.9%	5,075,122
Invest Green Acquisition Corporation 13G IGACU · G4924G128	IGACU	G4924G128	7.5%	1,350,000	13G	2/12/2026 Event 12/31/2025
Adage Capital Management, L.P.			7.5%	1,350,000
Robert Atchinson			7.5%	1,350,000
Phillip Gross			7.5%	1,350,000
iBio, Inc. 13G IBIO · 451033708	IBIO	451033708	10.0%	2,181,422	13G	11/13/2025 Event 9/30/2025
Adage Capital Management, L.P.			10.0%	2,181,422
Robert Atchinson			10.0%	2,181,422
Phillip Gross			10.0%	2,181,422
Sitio Royalties Corp. 13G/A STR · 82983N108	STR	82983N108	0%	0	13G/A	11/13/2025 Event 9/30/2025
Adage Capital Management, L.P.			0%	0
Robert Atchinson			0%	0
Phillip Gross			0%	0
Dynamix Corp 13G/A DYNC · G2949D104	DYNC	G2949D104	0.8%	125,000	13G/A	11/13/2025 Event 9/30/2025
Adage Capital Management, L.P.			0.8%	125,000
Robert Atchinson			0.8%	125,000
Phillip Gross			0.8%	125,000
Soleno Therapeutics, Inc. 13G/A SLNO · 834203309	SLNO	834203309	2.6%	1,401,576	13G/A	11/13/2025 Event 9/30/2025
Adage Capital Management, L.P.			2.6%	1,401,576
Robert Atchinson			2.6%	1,401,576
Phillip Gross			2.6%	1,401,576
Aclaris Therapeutics, Inc. 13G/A ACRS · 00461U105	ACRS	00461U105	4.9%	5,278,144	13G/A	11/13/2025 Event 9/30/2025
Adage Capital Management, L.P.			4.9%	5,278,144
Robert Atchinson			4.9%	5,278,144
Phillip Gross			4.9%	5,278,144
OTG Acquisition Corp. I 13G OTGAU · G6791A126	OTGAU	G6791A126	7.6%	1,800,000	13G	11/13/2025 Event 9/30/2025
Adage Capital Management, L.P.			7.6%	1,800,000
Robert Atchinson			7.6%	1,800,000
Phillip Gross			7.6%	1,800,000
Fulcrum Therapeutics, Inc. 13G/A FULC · 359616109	FULC	359616109	4.5%	2,432,000	13G/A	11/13/2025 Event 9/30/2025
Adage Capital Management, L.P.			4.5%	2,432,000
Robert Atchinson			4.5%	2,432,000
Phillip Gross			4.5%	2,432,000
Galata Acquisition Corp. II 13G LATAU · G3R25N124	LATAU	G3R25N124	7.8%	1,350,000	13G	11/13/2025 Event 9/30/2025
Adage Capital Management, L.P.			7.8%	1,350,000
Robert Atchinson			7.8%	1,350,000
Phillip Gross			7.8%	1,350,000
BridgeBio Oncology Therapeutics, Inc. 13G/A BBOT · 107924102	BBOT	107924102	1.9%	1,487,621	13G/A	11/13/2025 Event 9/30/2025
Adage Capital Management, L.P.			1.9%	1,487,621
Robert Atchinson			1.9%	1,487,621
Phillip Gross			1.9%	1,487,621
Talon Capital Corp. 13G TLNC · G86652107	TLNC	G86652107	7.9%	2,025,000	13G	11/13/2025 Event 9/30/2025
Adage Capital Management, L.P.			7.9%	2,025,000
Robert Atchinson			7.9%	2,025,000
Phillip Gross			7.9%	2,025,000
Zevra Therapeutics, Inc. 13G/A ZVRA · 488445206	ZVRA	488445206	4.0%	2,225,000	13G/A	11/13/2025 Event 9/30/2025
Adage Capital Management, L.P.			4.0%	2,225,000
Robert Atchinson			4.0%	2,225,000
Phillip Gross			4.0%	2,225,000
Highview Merger Corp. 13G HVMC · G4569C101	HVMC	G4569C101	7.6%	1,800,000	13G	11/13/2025 Event 9/30/2025
Adage Capital Management, L.P.			7.6%	1,800,000
Robert Atchinson			7.6%	1,800,000
Phillip Gross			7.6%	1,800,000
TScan Therapeutics, Inc. 13G/A TCRX · 89854M101	TCRX	89854M101	2.5%	1,350,000	13G/A	8/12/2025 Event 6/30/2025
Adage Capital Management, L.P.			2.5%	1,350,000
Robert Atchinson			2.5%	1,350,000
Phillip Gross			2.5%	1,350,000
Janux Therapeutics, Inc. 13G/A JANX · 47103J105	JANX	47103J105	4.3%	2,525,000	13G/A	8/12/2025 Event 6/30/2025
Adage Capital Management, L.P.			4.3%	2,525,000
Robert Atchinson			4.3%	2,525,000
Phillip Gross			4.3%	2,525,000
Immunic, Inc. 13G/A IMUX · 4525EP101	IMUX	4525EP101	10.0%	10,479,337	13G/A	8/12/2025 Event 6/30/2025
Adage Capital Management, L.P.			10.0%	10,479,337
Robert Atchinson			10.0%	10,479,337
Phillip Gross			10.0%	10,479,337
ProQR Therapeutics N.V. 13G/A PRQR · N71542109	PRQR	N71542109	6.3%	6,601,938	13G/A	8/12/2025 Event 6/30/2025
Adage Capital Management, L.P.			6.3%	6,601,938
Robert Atchinson			6.3%	6,601,938
Phillip Gross			6.3%	6,601,938
Ensysce Biosciences, Inc. 13G/A ENSC · 293602504	ENSC	293602504	3.2%	74,711	13G/A	8/12/2025 Event 6/30/2025
Adage Capital Management, L.P.			3.2%	74,711
Robert Atchinson			3.2%	74,711
Phillip Gross			3.2%	74,711
Cidara Therapeutics, Inc. 13G/A CDTX · 171757206	CDTX	171757206	4.97%	1,100,000	13G/A	8/12/2025 Event 6/30/2025
Adage Capital Management, L.P.			4.97%	1,100,000
Robert Atchinson			4.97%	1,100,000
Phillip Gross			4.97%	1,100,000
Inozyme Pharma, Inc. 13G/A INZY · 45790W108	INZY	45790W108	0%	0	13G/A	8/12/2025 Event 6/30/2025
Adage Capital Management, L.P.			0%	0
Robert Atchinson			0%	0
Phillip Gross			0%	0
Zeo Energy Corp. 13G/A ZEO · 98944F109	ZEO	98944F109	3.2%	760,000	13G/A	8/12/2025 Event 6/30/2025
Adage Capital Management, L.P.			3.2%	760,000
Robert Atchinson			3.2%	760,000
Phillip Gross			3.2%	760,000
Aligos Therapeutics, Inc. 13G/A ALGS · 01626L204	ALGS	01626L204	3.9%	210,000	13G/A	8/12/2025 Event 6/30/2025
Adage Capital Management, L.P.			3.9%	210,000
Robert Atchinson			3.9%	210,000
Phillip Gross			3.9%	210,000
UroGen Pharma Ltd. 13G/A URGN · M96088105	URGN	M96088105	2.8%	1,277,000	13G/A	5/12/2025 Event 3/31/2025
Adage Capital Management, L.P.			2.8%	1,277,000
Robert Atchinson			2.8%	1,277,000
Phillip Gross			2.8%	1,277,000
Aeva Technologies, Inc. 13G/A AEVA · 00835Q202	AEVA	00835Q202	2.6%	1,401,454	13G/A	5/12/2025 Event 3/31/2025
Adage Capital Management, L.P.			2.6%	1,401,454
Robert Atchinson			2.6%	1,401,454
Phillip Gross			2.6%	1,401,454
Protara Therapeutics, Inc. 13G/A TARA · 74365U107	TARA	74365U107	0%	0	13G/A	5/12/2025 Event 3/31/2025
Adage Capital Management, L.P.			0%	0
Robert Atchinson			0%	0
Phillip Gross			0%	0
Mereo BioPharma Group plc 13G/A MREO · 589492107	MREO	589492107	1.1%	8,503,780	13G/A	5/12/2025 Event 3/31/2025
Adage Capital Management, L.P.			1.1%	8,503,780
Robert Atchinson			1.1%	8,503,780
Phillip Gross			1.1%	8,503,780
Lexeo Therapeutics, Inc. 13G/A LXEO · 52886X107	LXEO	52886X107	0.7%	237,953	13G/A	5/12/2025 Event 3/31/2025
Adage Capital Management, L.P.			0.7%	237,953
Robert Atchinson			0.7%	237,953
Phillip Gross			0.7%	237,953
Karyopharm Therapeutics Inc. 13G KPTI · 48576U106 Amended under CUSIP 48576U205 on 2/12/2026	KPTI	48576U106	5.2%	6,551,055	13G	2/12/2025 Event 12/31/2024
Adage Capital Management, L.P.			5.2%	6,551,055
Robert Atchinson			5.2%	6,551,055
Phillip Gross			5.2%	6,551,055
enGene Holdings Inc. 13G/A ENGN · 29286M105	ENGN	29286M105	3.0%	1,528,768	13G/A	2/12/2025 Event 12/31/2024
Adage Capital Management, L.P.			3.0%	1,528,768
Robert Atchinson			3.0%	1,528,768
Phillip Gross			3.0%	1,528,768

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