PBM · Psyence Biomedical Ltd.

$4.54 +0.11 (+2.48%) At close · Sep 4

Market Cap

$13.27M

3.81M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Use institutional holdings through the 13F API or MCP →

Quarter:

Holders: 25

Total Value: $1,128,035

Total Shares: 5,141,304

Institutional Ownership Trend

10 quarters

Holder Concentration

Across 25 13F filers · Δ vs Mar 31, 2026

Top Holder

41.0%

−58.9 pts

Top 5

96.8%

−3.2 pts

Top 10

100.0%

0.0 pts

HHI

2,982

Highly concentrated−7,006

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: +4

Institutional value: +203.0%

Shares held: -7.3%

Top Buyers

vs Mar 31, 2026

No qualifying movers this quarter.

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Mid ARISTEIA CAPITAL, L.L.C.	−100,000	115,319
Small Harraden Circle Investments, LLC	−1,000	1,149,000
Large TORONTO DOMINION BANK	−300	503,012
Mega UBS Group AG	−187	60
Large Clear Street Group Inc.	−7	257,202

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Small AdvisorShares Investments LLC	122,184	$373,883
Mega MORGAN STANLEY	37,804	$115,680
Mega JANE STREET GROUP, LLC	30,431	$93,118
Mid XTX Topco Ltd	15,094	$46,187
Mega CITADEL ADVISORS LLC	11,693	$35,780

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Mid Virtu Financial LLC	27,853	$0
Mid Ancora Advisors LLC	5,000	$0
Large Calamos Advisors LLC	500,000	$0

Filter: New 7 Increased 0 Reduced 5 Sold out 3 Unchanged 13

Showing 26 of 26

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

Parallel Advisors, LLC

$462,825

41.03%

151,250

AdvisorShares Investments LLC

$373,883

33.14%

122,184

MORGAN STANLEY

$115,680

10.26%

37,804

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MORGAN STANLEY SMITH BARNEY LLC	37,804	$115,680	100.0%	Defined

JANE STREET GROUP, LLC

$93,118

8.25%

30,431

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	6,886	$21,071	22.6%	Defined
Jane Street Global Trading, LLC	23,545	$72,047	77.4%	Defined

XTX Topco Ltd

$46,187

4.09%

15,094

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
XTX EXECUTION SERVICES LLC joint	15,094	$46,187	100.0%	Defined

CITADEL ADVISORS LLC

$35,780

3.17%

11,693

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	11,693	$35,780	100.0%	Defined

Stonehage Fleming Financial Services Holdings Ltd

$272

0.02%

UBS Group AG

$183

0.02%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS AG	60	$183	100.0%	Defined

Caitlin John, LLC

$107

0.01%

LMR Partners LLP PBMWW

—

200,000

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
LMR PARTNERS (DIFC) Ltd	200,000	$0	—	Sole

GOLDMAN SACHS GROUP INC PBMWW

—

200,117

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GOLDMAN SACHS & CO. LLC	200,117	$0	—	Defined

MMCAP International Inc. SPC PBMWW

—

600,000

D. E. Shaw & Co., Inc. PBMWW

—

175,352

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
D. E. SHAW & CO, L.P.	175,352	$0	—	Defined

ARISTEIA CAPITAL, L.L.C. PBMWW

—

115,319

Harraden Circle Investments, LLC PBMWW

—

1,149,000

WOLVERINE ASSET MANAGEMENT LLC PBMWW

—

147,101

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Wolverine Holdings, LLC	147,101	$0	—	Defined

MILLENNIUM MANAGEMENT LLC PBMWW

—

108,000

TENOR CAPITAL MANAGEMENT Co., L.P. PBMWW

—

150,000

Saba Capital Management, L.P. PBMWW

—

297,847

SUSQUEHANNA INTERNATIONAL GROUP, LLP PBMWW

—

10,119

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
G1 EXECUTION SERVICES, LLC	10,119	$0	—	Other

TORONTO DOMINION BANK PBMWW

—

503,012

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
TD SECURITIES (USA) LLC	503,012	$0	—	Defined

Parallel Advisors, LLC PBMWW

—

27,500

Polar Asset Management Partners Inc. PBMWW

—

733,000

Mint Tower Capital Management B.V. PBMWW

—

50,000

Clear Street Group Inc. PBMWW

—

257,202

LPL Financial LLC PBMWW

—

49,095

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Ancora Alternatives LLC	5,000	$0	—	Sole

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Virtu Americas LLC	27,853	$0	—	Defined

Key facts CIK 1985062 CUSIP 74449F407 13F (30d) 8 filings 8 filers Visit website