MAD RIVER INVESTORS

13F Portfolio Filings

Most recent 13F
Q3 2026
Location
Boston, MA
CIK
0001384484
All SEC filings
View on sec.gov
Holdings Value, Excluding Options
Quarter Holdings Value, Excl. Options ($000) Top Holdings Form Type Date Filed Filing ID
Q3 2026 31 245,253 TPL, PBT, GBTC, LB 13F-HR 10/27/2026 000138448426000008
Q2 2026 30 267,446 TPL, PBT, LB, HE 13F-HR 8/3/2026 000138448426000006
Q1 2026 32 277,174 TPL, PBT, HE, GBTC 13F-HR 4/23/2026 000138448426000004
Q4 2025 35 219,450 TPL, GBTC, PBT, HE 13F-HR 2/6/2026 000138448426000002
Q3 2025 38 233,381 TPL, GBTC, PBT, HE 13F-HR 10/14/2025 000138448425000009
Q2 2025 24 223,178 TPL, GBTC, LB, HE 13F-HR 7/8/2025 000138448425000007
Q1 2025 24 236,047 TPL, GBTC, LB, HE 13F-HR 4/22/2025 000138448425000005
Q4 2024 26 215,203 TPL, GBTC, LB, WPM 13F-HR 1/16/2025 000138448425000002
Q3 2024 26 180,268 TPL, GBTC, LB, WPM 13F-HR 10/22/2024 000138448424000009
Q2 2024 27 149,252 TPL, GBTC, WPM, CACI 13F-HR 8/2/2024 000138448424000006
Q1 2024 27 144,057 TPL, GBTC, WPM, CACI 13F-HR 4/19/2024 000138448424000004
Q4 2023 26 107,749 TPL, WPM, CACI, CVEO 13F-HR 1/26/2024 000138448424000002
Q3 2023 25 141,327 TPL, WPM, PBT, MSB 13F-HR 10/18/2023 000138448423000008
Q2 2023 27 135,279 TPL, WPM, PBT, CACI 13F-HR 8/3/2023 000138448423000006
Q1 2023 23 141,853 TPL, WPM, MSB, PBT 13F-HR 5/4/2023 000138448423000004
Q4 2022 26 172,372 TPL, CVEO, PBT, CACI 13F-HR 2/6/2023 000138448423000002
Q3 2022 26 137,317 TPL, CVEO, CACI, WPM 13F-HR 10/26/2022 000138448422000009
Q2 2022 27 127,906 TPL, CVEO, CACI, WPM 13F-HR 8/8/2022 000138448422000006
Q1 2022 29 129,525 TPL, CVEO, WPM, CACI 13F-HR 4/28/2022 000138448422000004
Q4 2021 29 131,236 TPL, WPM, CVEO, CACI 13F-HR 2/9/2022 000138448422000002
Q3 2021 25 155,850 TPL, WPM, CVEO, MSB 13F-HR 11/8/2021 000138448421000009
Q2 2021 25 155,850 TPL, WPM, CVEO, MSB 13F-HR 8/2/2021 000138448421000007
Q1 2021 23 150,000 TPL, WPM, CACI, CVEO 13F-HR 5/3/2021 000138448421000005
Q4 2020 23 101,837 TPL, WPM, CACI, MSB 13F-HR 2/3/2021 000138448421000003
Q3 2020 23 78,634 TPL, WPM, FNV, CACI 13F-HR 10/29/2020 000138448420000009
Q2 2020 21 87,200 TPL, WPM, FNV, CACI 13F-HR 8/10/2020 000138448420000007
Q1 2020 19 65,225 TPL, WPM, CACI, ACGP 13F-HR 5/5/2020 000138448420000005
Q4 2019 23 117,040 TPL, HHC, WPM, LBRDK 13F-HR 1/30/2020 000138448420000002
Q3 2019 23 102,749 TPL, HHC, WPM, ACGP 13F-HR 10/30/2019 000138448419000008
Q2 2019 28 114,150 TPL, HHC, WPM, CVEO 13F-HR 8/7/2019 000138448419000006
Q1 2019 29 112,838 TPL, HHC, CVEO, WPM 13F-HR 5/6/2019 000138448419000004
Q4 2018 28 90,473 TPL, HHC, BRK-B, LSXMK 13F-HR 2/6/2019 000138448419000002
Q3 2018 28 129,721 TPL, CVEO, HHC, ACGP 13F-HR 11/1/2018 000138448418000010
Q2 2018 29 120,479 TPL, CVEO, HHC, LSXMK 13F-HR 8/1/2018 000138448418000007
Q1 2018 28 103,703 TPL, HHC, CVEO, BRK-B 13F-HR 4/23/2018 000138448418000005
Q4 2017 24 91,316 TPL, HHC, CVEO, BRK-B 13F-HR 1/30/2018 000138448418000003
Q3 2017 25 93,403 TPL, HHC, CVEO, LSXMK 13F-HR 11/13/2017 000138448417000013
Q2 2017 28 85,839 TPL, HHC, BRK-B, LSXMK 13F-HR 8/4/2017 000138448417000011
Q1 2017 28 84,748 TPL, HHC, IEP, BRK-B 13F-HR 4/27/2017 000138448417000009
Q4 2016 33 77,467 TPL, HHC, IEP, BRK-B 13F-HR 2/13/2017 000138448417000002
Q3 2016 32 79,183 HHC, TPL, IEP, SLW 13F-HR 11/8/2016 000138448416000019
Q2 2016 31 79,840 HHC, IEP, TPL, DWA 13F-HR 7/29/2016 000138448416000017
Q1 2016 31 80,236 HHC, IEP, BRK-B, TPL 13F-HR 5/10/2016 000138448416000015
Q4 2015 33 79,979 HHC, IEP, LVNTA, LMCK 13F-HR 2/3/2016 000138448416000012
Q3 2015 33 85,641 HHC, IEP, LVNTA, LMCK 13F-HR 11/9/2015 000138448415000010
Q2 2015 35 121,569 HHC, IEP, WEN, BRK-B 13F-HR 8/6/2015 000138448415000008
Q1 2015 36 128,098 HHC, IEP, WEN, LVNTA 13F-HR 5/14/2015 000138448415000006
Q4 2014 39 125,264 HHC, IEP, WEN, BRK-B 13F-HR 2/11/2015 000138448415000003
Q3 2014 36 131,333 HHC, IEP, LMCK, TPL 13F-HR 11/13/2014 000138448414000008
Q2 2014 35 136,240 HHC, LMCA, IEP, LVNTA 13F-HR 8/13/2014 000138448414000006
Q1 2014 32 130,835 HHC, IEP, LMCA, LVNTA 13F-HR 5/6/2014 000138448414000004
Q4 2013 32 134,242 LMCA, IEP, HHC, LVNTA 13F-HR 1/28/2014 000138448414000002