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Psyence Biomedical
PBM

8 hedge funds and large institutions have $273K invested in Psyence Biomedical in 2025 Q1 according to their latest regulatory filings, with 4 funds opening new positions, 4 increasing their positions, reducing their positions, and 7 closing their positions.

New
Increased
Maintained
Reduced
Closed

1.54% less ownership

Funds ownership: 1.77% → 0.23% (-1.5%)

27% less funds holding

Funds holding: 11 → 8 (-3)

43% less first-time investments, than exits

New positions opened: 4 | Existing positions closed: 7

82% less capital invested

Capital invested by funds: $1.53M → $273K (-$1.26M)

Holders
8
Holders Change
-3
Holders Change %
-27.27%
% of All Funds
0.11%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
4
Increased
4
Reduced
–
Closed
7
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
SM
Sabby Management
Florida
+$328K
2
Citadel Advisors
Citadel Advisors
Florida
+$81.5K
3
VF
Virtu Financial
New York
+$30.3K
4
UBS Group
UBS Group
Switzerland
+$26.7K
5
TSS
Two Sigma Securities
New York
+$16.5K

Top Sellers

Rank Fund Capital Flow
1
Hudson Bay Capital Management
Hudson Bay Capital Management
Connecticut
-$744K
2
HCI
Harraden Circle Investments
New York
-$385K
3
EP
Essential Planning
New Hampshire
-$163K
4
HF
HRT Financial
New York
-$55K
5
SRL
Scientech Research LLC
New Jersey
-$23.6K
Name Holding Trade Value Shares
Change 		Change in
Stake
SM
1
Sabby Management
Florida
$154K +$328K +5,153 New
Citadel Advisors
2
Citadel Advisors
Florida
$45.2K +$81.5K +1,281 +555%
VF
3
Virtu Financial
New York
$22K +$30.3K +477 +187%
AI
4
AdvisorShares Investments
Maryland
$21K +$10.9K +172 +32%
UBS Group
5
UBS Group
Switzerland
$20.1K +$26.7K +419 +164%
TSS
6
Two Sigma Securities
New York
$7.76K +$16.5K +260 New
SFFS
7
Stonehage Fleming Financial Services
Jersey
$2.69K +$5.73K +90 New
Morgan Stanley
8
Morgan Stanley
New York
$41 +$64 +1 New
Hudson Bay Capital Management
9
Hudson Bay Capital Management
Connecticut
– -$744K -7,629 Closed
HCI
10
Harraden Circle Investments
New York
– -$385K -3,660 Closed
EP
11
Essential Planning
New Hampshire
– -$163K -1,471 Closed
HF
12
HRT Financial
New York
– -$55K -525 Closed
SRL
13
Scientech Research LLC
New Jersey
– -$23.6K -225 Closed
CCM
14
Connective Capital Management
California
– -$23.5K -224 Closed
TRCT
15
Tower Research Capital (TRC)
New York
– -$4.21K -40 Closed

PBM Hedge Fund Activity: Q1 2025 in Review

8 of the 7,459 institutional investors tracked by Wall St. Rank reported a position in Psyence Biomedical (PBM) for Q1 2025, worth a combined $273K — down 82% from $1.53M a quarter earlier.

Sellers outnumbered buyers: 7 funds closed out of PBM and 4 opened new positions — a net loss of 3 holders — while 0 trimmed existing stakes and 4 added.

The largest buyer was Sabby Management, opening a new position worth an estimated $328K. The largest seller was Hudson Bay Capital Management, exiting entirely with an estimated $744K sold.

  • 8 institutional investors held Psyence Biomedical (PBM) as of Q1 2025, down from 11 in Q4 2024.
  • Funds reported $273K of Psyence Biomedical stock for Q1 2025, down 82% quarter-over-quarter.
  • 4 funds opened new Psyence Biomedical positions in Q1 2025 and 7 closed out, a net change of -3 holders.
  • The largest Psyence Biomedical buyer in Q1 2025 was Sabby Management, an estimated $328K added.
  • The largest Psyence Biomedical seller in Q1 2025 was Hudson Bay Capital Management, an estimated $744K sold.

Based on aggregated 13F filings for Q1 2025.