Psyence BiomedicalPBMWWPreferred / convertible

13F holders, Q4 2024 (December 31)
22holders −1
2new positions
3sold out
1famous investor
$0.01avg. 13F price*

At the end of Q4 2024, 22 institutions reported holding Psyence Biomedical Ltd. (PBMWW) in their 13F filings, down 1 from Q3 2024. 2 opened new positions and 3 sold out. The largest holders were Harraden Circle Investments, LLC ($17K), Polar Asset Management Partners Inc. ($11K) and MMCAP International Inc. SPC ($9K). One famous investor held it David E. Shaw ( of D. E. Shaw & Co.'s portfolio).

Company
Psyence Biomedical Ltd.
CUSIP
74449F118
Latest filing quarter
Q2 2026

History

Number of 13F holders

0102030 Q1 2024: 30Q1 2024Q2 2024: 28Q2 2024Q3 2024: 23Q3 2024Q4 2024: 22Q4 2024Q1 2025: 23Q1 2025Q2 2025: 23Q2 2025Q3 2025: 23Q3 2025Q4 2025: 21Q4 2025Q1 2026: 19Q1 2026Q2 2026: 19Q2 2026

Total Exit/New Position Q3 2024 → Q4 2024

InstitutionsTotal Value
New Positions2$4K
Exits3$6K

All 13F filers, Q3 2024 → Q4 2024: 270,417 shares bought and 753,086 shares sold, net −482,669 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 22 holders
Harraden Circle Investments, LLC — — 1,150,000 $17K
Polar Asset Management Partners Inc. — No change 733,000 $11K
MMCAP International Inc. SPC — No change 600,000 $9K
Calamos Advisors LLC — No change 500,000 $6K
Cantor Fitzgerald, L. P. — No change 468,500 $6K
Saba Capital Management, L.P. — No change 297,847 $4K
Aristeia Capital, L.L.C. — No change 272,857 $4K
Goldman Sachs Group Inc. — No change 200,117 $3K
LMR Partners LLP — New 200,000 $3K
Periscope Capital Inc. — Reduce -11.1% 200,000 $3K
Clear Street LLC — Add +0.1% 180,566 $3K
TENOR CAPITAL MANAGEMENT Co., L.P. — No change 150,000 $2K
D. E. Shaw & Co. — No change 175,352 $2K
Wolverine Asset Management LLC — No change 147,101 $2K
Clear Street Derivatives LLC — Reduce -60.6% 109,356 $2K
Westchester Capital Management, LLC — No change 92,073 $1K
Yakira Capital Management, Inc. — No change 76,843 $1K
Virtu Financial LLC — New 50,551 $1K
Mint Tower Capital Management B.V. — No change 50,000 $1K
Walleye Trading LLC — Add +81.0% 44,080 $635
Walleye Capital LLC — Reduce -82.7% 34,282 $494
Ancora Advisors LLC — No change 5,000 $72

"% of holder's portfolio" is PBMWW's weight in each manager's 13F, not the share of Psyence Biomedical Ltd. the manager owns.