We are live on ! Find out more
PASG icon

Passage Bio
PASG

39 hedge funds and large institutions have $33M invested in Passage Bio in 2025 Q2 according to their latest regulatory filings, with 5 funds opening new positions, 9 increasing their positions, 9 reducing their positions, and 7 closing their positions.

New
Increased
Maintained
Reduced
Closed

240% more call options, than puts

Call options by funds: $17K | Put options by funds: $5K

157% more capital invested

Capital invested by funds: $12.8M → $33M (+$20.2M)

100% more funds holding in top 10

Funds holding in top 10: 1 → 2 (+1)

0% more repeat investments, than reductions

Existing positions increased: 9 | Existing positions reduced: 9

0.11% less ownership

Funds ownership: 2.93% → 2.82% (-0.11%)

5% less funds holding

Funds holding: 41 → 39 (-2)

29% less first-time investments, than exits

New positions opened: 5 | Existing positions closed: 7

Holders
39
Holders Change
-2
Holders Change %
-4.88%
% of All Funds
0.51%
Holding in Top 10
2
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+100%
% of All Funds
0.03%
New
5
Increased
9
Reduced
9
Closed
7
Calls
$17K
Puts
$5K
Net Calls
+$12K
Net Calls Change
-$8K

Top Buyers

Rank Fund Capital Flow
1
Citadel Advisors
Citadel Advisors
Florida
+$90.5K
2
RWM
Ritholtz Wealth Management
New York
+$9.28K
3
TRCT
Tower Research Capital (TRC)
New York
+$8.39K
4
XT
XTX Topco
Cayman Islands
+$5.66K
5
TSS
Two Sigma Securities
New York
+$4.28K

Top Sellers

Rank Fund Capital Flow
1
O
OrbiMed
New York
-$358K
2
SC
Shay Capital
New York
-$51.8K
3
Millennium Management
Millennium Management
New York
-$45.8K
4
BlackRock
BlackRock
New York
-$45.2K
5
BCM
Bridgeway Capital Management
Texas
-$32.9K
Name Holding Trade Value Shares
Change 		Change in
Stake
Goldman Sachs
26
Goldman Sachs
New York
$4.64K – – –
Millennium Management
27
Millennium Management
New York
$4.3K -$45.8K -6,274 -92%
Morgan Stanley
28
Morgan Stanley
New York
$2.61K -$110 -15 -4%
Raymond James Financial
29
Raymond James Financial
Florida
$2.56K +$2.34K +320 New
Barclays
30
Barclays
United Kingdom
$1.69K – – –
SS
31
SBI Securities
Japan
$1.16K -$869 -119 -45%
Osaic Holdings
32
Osaic Holdings
Arizona
$801 – – –
Bank of America
33
Bank of America
North Carolina
$201 +$22 +3 +14%
JP Morgan Chase
34
JP Morgan Chase
New York
$109 -$117 -16 -53%
LI
35
LRI Investments
Florida
$90 – – –
BNP Paribas Financial Markets
36
BNP Paribas Financial Markets
France
$90 +$15 +2 +22%
Group One Trading
37
Group One Trading
Illinois
$19 – – –
MAWAG
38
Mid-American Wealth Advisory Group
Missouri
$13 +$15 +2 New
UBS Group
39
UBS Group
Switzerland
$1 -$5.29K -724 Closed
SC
40
Shay Capital
New York
– -$51.8K -7,336 Closed
Squarepoint
41
Squarepoint
New York
– -$22.6K -3,207 Closed
HighTower Advisors
42
HighTower Advisors
Illinois
– -$6.48K -917 Closed
MCM
43
MAI Capital Management
Ohio
– -$1.41K -200 Closed
FFA
44
Farther Finance Advisors
California
– -$19 -3 Closed
HI
45
Harbour Investments
Wisconsin
– -$21 -3 Closed
1
2

PASG Hedge Fund Activity: Q2 2025 in Review

39 of the 7,596 institutional investors tracked by Wall St. Rank reported a position in Passage Bio (PASG) for Q2 2025, worth a combined $33M — up 157% from $12.8M a quarter earlier.

Sellers outnumbered buyers: 7 funds closed out of PASG and 5 opened new positions — a net loss of 2 holders — while 9 trimmed existing stakes and 9 added.

The largest buyer was Citadel Advisors, opening a new position worth an estimated $90.5K. The largest seller was OrbiMed, cutting an estimated $358K.

  • 39 institutional investors held Passage Bio (PASG) as of Q2 2025, down from 41 in Q1 2025.
  • Funds reported $33M of Passage Bio stock for Q2 2025, up 157% quarter-over-quarter.
  • 5 funds opened new Passage Bio positions in Q2 2025 and 7 closed out, a net change of -2 holders.
  • The largest Passage Bio buyer in Q2 2025 was Citadel Advisors, an estimated $90.5K added.
  • The largest Passage Bio seller in Q2 2025 was OrbiMed, an estimated $358K sold.

Based on aggregated 13F filings for Q2 2025.