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Passage Bio
PASG

41 hedge funds and large institutions have $12.8M invested in Passage Bio in 2025 Q1 according to their latest regulatory filings, with 3 funds opening new positions, 10 increasing their positions, 11 reducing their positions, and 6 closing their positions.

New
Increased
Maintained
Reduced
Closed

0.12% less ownership

Funds ownership: 3.05% → 2.93% (-0.12%)

9% less repeat investments, than reductions

Existing positions increased: 10 | Existing positions reduced: 11

7% less funds holding

Funds holding: 44 → 41 (-3)

41% less capital invested

Capital invested by funds: $21.6M → $12.8M (-$8.75M)

50% less funds holding in top 10

Funds holding in top 10: 2 → 1 (-1)

50% less first-time investments, than exits

New positions opened: 3 | Existing positions closed: 6

Holders
41
Holders Change
-3
Holders Change %
-6.82%
% of All Funds
0.55%
Holding in Top 10
1
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-50%
% of All Funds
0.01%
New
3
Increased
10
Reduced
11
Closed
6
Calls
$20K
Puts
–
Net Calls
+$20K
Net Calls Change
+$11K

Top Buyers

1
Simplex Trading
Simplex Trading
Illinois
+$44.2K
2
Northern Trust
Northern Trust
Illinois
+$26.8K
3
XT
XTX Topco
Cayman Islands
+$24.5K
4
Renaissance Technologies
Renaissance Technologies
New York
+$15.6K
5
Geode Capital Management
Geode Capital Management
Massachusetts
+$7.86K

Top Sellers

1
Morgan Stanley
Morgan Stanley
New York
-$435K
2
O
OrbiMed
New York
-$200K
3
Jane Street
Jane Street
New York
-$44.3K
4
SC
Shay Capital
New York
-$42.5K
5
BCM
Bridgeway Capital Management
Texas
-$27K
Name Holding Trade Value Shares
Change 		Change in
Stake
LCM
1
Lynx1 Capital Management
Puerto Rico
$3.27M – – –
O
2
OrbiMed
New York
$2.48M -$200K -18,512 -5%
VPC
3
Vestal Point Capital
New York
$2.15M – – –
NLVP
4
New Leaf Venture Partners
New York
$882K – – –
EAM
5
Erste Asset Management
Austria
$869K – – –
Vanguard Group
6
Vanguard Group
Pennsylvania
$731K – – –
TCM
7
Tang Capital Management
California
$530K – – –
Renaissance Technologies
8
Renaissance Technologies
New York
$498K +$15.6K +1,440 +2%
Acadian Asset Management
9
Acadian Asset Management
Massachusetts
$328K -$4.94K -457 -1%
BlackRock
10
BlackRock
New York
$254K -$2.08K -192 -0.5%
Geode Capital Management
11
Geode Capital Management
Massachusetts
$193K +$7.86K +727 +3%
BCM
12
Bridgeway Capital Management
Texas
$179K -$27K -2,500 -9%
FT
13
Fiduciary Trust
Massachusetts
$75.9K – – –
State Street
14
State Street
Massachusetts
$55.4K – – –
SC
15
Shay Capital
New York
$51.8K -$42.5K -3,927 -35%
RC
16
RBF Capital
California
$50.4K – – –
Millennium Management
17
Millennium Management
New York
$48.1K -$6.69K -619 -8%
Northern Trust
18
Northern Trust
Illinois
$39.5K +$26.8K +2,475 +79%
Simplex Trading
19
Simplex Trading
Illinois
$29K +$44.2K +4,088 +14,097%
Squarepoint
20
Squarepoint
New York
$22.6K +$22 +2 +0.1%
DIM
21
DLK Investment Management
California
$18.7K – – –
Two Sigma Investments
22
Two Sigma Investments
New York
$16.6K -$1.3K -120 -5%
XT
23
XTX Topco
Cayman Islands
$16K +$24.5K +2,270 New
HighTower Advisors
24
HighTower Advisors
Illinois
$6.48K +$1.52K +141 +18%
UBS Group
25
UBS Group
Switzerland
$5.11K +$7.83K +724 New
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PASG Hedge Fund Activity: Q1 2025 in Review

41 of the 7,457 institutional investors tracked by Wall St. Rank reported a position in Passage Bio (PASG) for Q1 2025, worth a combined $12.8M — down 41% from $21.6M a quarter earlier.

Sellers outnumbered buyers: 6 funds closed out of PASG and 3 opened new positions — a net loss of 3 holders — while 11 trimmed existing stakes and 10 added.

The largest buyer was Simplex Trading, adding an estimated $44.2K. The largest seller was Morgan Stanley, cutting an estimated $435K.

  • 41 institutional investors held Passage Bio (PASG) as of Q1 2025, down from 44 in Q4 2024.
  • Funds reported $12.8M of Passage Bio stock for Q1 2025, down 41% quarter-over-quarter.
  • 3 funds opened new Passage Bio positions in Q1 2025 and 6 closed out, a net change of -3 holders.
  • The largest Passage Bio buyer in Q1 2025 was Simplex Trading, an estimated $44.2K added.
  • The largest Passage Bio seller in Q1 2025 was Morgan Stanley, an estimated $435K sold.

Based on aggregated 13F filings for Q1 2025.