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.
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
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Simplex Trading
Chicago,
Illinois
|
+$44.2K |
| 2 |
Northern Trust
Chicago,
Illinois
|
+$26.8K |
| 3 |
XT
XTX Topco
George Town,
Cayman Islands
|
+$24.5K |
| 4 |
Renaissance Technologies
New York
|
+$15.6K |
| 5 |
Geode Capital Management
Boston,
Massachusetts
|
+$7.86K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Morgan Stanley
New York
|
-$435K |
| 2 |
O
OrbiMed
New York
|
-$200K |
| 3 |
Jane Street
New York
|
-$44.3K |
| 4 |
SC
Shay Capital
New York
|
-$42.5K |
| 5 |
BCM
Bridgeway Capital Management
Houston,
Texas
|
-$27K |
PASG Hedge Fund Activity: Q1 2025 in Review
41 of the 7,472 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.