Passage Bio, Inc.
PASG • NASDAQ
Passage Bio, Inc. is a biotechnology company in the healthcare sector on NASDAQ, led by William Chou, with a market cap of $31.1M. As of Q3 2025, 52% of shares are held by 30 institutional investors, with Lynx1 Capital Management LP as the largest holder at 19.62%.
Chief Executive OfficerWilliam Chou
Market Cap$31.1M
Biotechnology
Healthcare
Employees85.0
Websitepassagebio.com
Country
United States of America
Overview
Overview of institutional ownership in PASG as of Q3 2025 with a market cap of $25.5M
All Institutions
- Institutions
- 30
- Value Held
- $13.3M
- Shares Held
- 1.6M
- Avg Position
- $441.7K
- Median Position
- $44.5K
Hedge Funds
- Hedge Funds
- 6
- Value Held
- $9.1M
- Shares Held
- 1.1M
- Avg Position
- $1.5M
- Median Position
- $641.7K
Ownership Breakdown
Based on market cap of $25.5M as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.
Biggest Investors
Institutions with the largest positions in PASG as of Q3 2025
| Institution | Position Value |
|---|---|
L Lynx1 Capital Management LP Hedge Fund•Sector | $5.0M 1.02% of portfolio |
 Vestal Point Capital, LP Hedge Fund•Long/Short | $2.4M 0.12% of portfolio |
E Erste Asset Management GmbH Institution | $999.5K 0.01% of portfolio |
 VANGUARD GROUP INC Institution | $937.4K 0.00% of portfolio |
 RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant | $809.3K 0.00% of portfolio |
 New Leaf Venture Partners, L.L.C. Venture Capital | $702.0K 1.63% of portfolio |
T TANG CAPITAL MANAGEMENT LLC Institution | $602.3K 0.02% of portfolio |
 ORBIMED ADVISORS LLC Hedge Fund•Sector | $474.1K 0.01% of portfolio |
B BlackRock, Inc. Institution | $238.9K 0.00% of portfolio |
 GEODE CAPITAL MANAGEMENT LLC ETF Provider | $218.6K 0.00% of portfolio |
Net Capital Flow
Institutional buying and selling activity for PASG in Q3 2025
- Traded
- −$833.1K
- Buyers
- 21
- Sellers
- 20
- Total Bought
- +$1.9M
- Total Sold
- −$2.7M
- Avg Position
- $281.9K
Biggest Buyers
| Institution | Net Bought |
|---|---|
L Lynx1 Capital Management LP Hedge Fund•Sector | +$1.3M +160.9K shares |
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant | +$240.7K +30.0K shares |
S Squarepoint Ops LLC Hedge Fund•Quant | +$188.2K +23.5K shares |
VANGUARD GROUP INC Institution | +$120.2K +15.0K shares |
 CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | +$53.7K +6.7K shares |
GEODE CAPITAL MANAGEMENT LLC ETF Provider | +$2.8K +354.1 shares |
 MAI Wealth Advisors RIA/Wealth | +$1.6K +200.0 shares |
S SBI Securities Co., Ltd. Institution | +$1.1K +142.0 shares |
 CITIGROUP INC Institution | +$617.0 +77.0 shares |
 UBS Group AG Institution | +$135.8 +16.9 shares |
Biggest Sellers
| Institution | Net Sold |
|---|---|
ORBIMED ADVISORS LLC Hedge Fund•Sector | −$2.0M −243.7K shares |
New Leaf Venture Partners, L.L.C. Venture Capital | −$300.9K −37.5K shares |
 ACADIAN ASSET MANAGEMENT LLC Long Only Manager | −$169.6K −21.1K shares |
 STATE STREET CORP Institution | −$62.8K −7.8K shares |
R RBF Capital, LLC Institution | −$57.2K −7.1K shares |
 NORTHERN TRUST CORP Institution | −$44.9K −5.6K shares |
S SIMPLEX TRADING, LLC Institution | −$33.2K −4.1K shares |
 DLK Investment Management, LLC RIA/Wealth | −$24.4K −3.1K shares |
X XTX Topco Ltd Institution | −$24.4K −3.0K shares |
 TWO SIGMA INVESTMENTS LLC Hedge Fund•Multi-Strategy | −$18.9K −2.4K shares |
Entry and Exit Activity
Institutions that initiated new positions or completely exited PASG in Q3 2025
- New Positions
- 0
- New Value
- -
- Exited Positions
- 15
- Exited Value
- $296.8K
New Positions
| Institution | Position Value |
|---|---|
| No new positions found | |
Exited Positions
| Institution | Previous Position |
|---|---|
STATE STREET CORP Institution | $62.8K 7.8K shares |
R RBF Capital, LLC Institution | $57.2K 7.1K shares |
NORTHERN TRUST CORP Institution | $44.9K 5.6K shares |
S SIMPLEX TRADING, LLC Institution | $33.2K 4.1K shares |
DLK Investment Management, LLC RIA/Wealth | $24.4K 3.1K shares |
X XTX Topco Ltd Institution | $24.4K 3.0K shares |
TWO SIGMA INVESTMENTS LLC Hedge Fund•Multi-Strategy | $18.9K 2.4K shares |
 Comprehensive Portfolio Management, LLC RIA/Wealth | $10.2K 1.3K shares |
 Mariner Wealth Advisors, LLC RIA/Wealth | $4.8K 596.7 shares |
T TWO SIGMA SECURITIES, LLC Institution | $4.7K 586.2 shares |
Options Activity
Institutions with the largest Call and Put options positions in PASG as of Q3 2025
- Call Positions
- 2
- Call Value
- -
- Put Positions
- 0
- Put Value
- -
Call Positions
| Institution | Position Value |
|---|---|
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | - - contracts |
 SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | - - contracts |
Put Positions
| Institution | Position Value |
|---|---|
| No put positions found | |
Most Committed Institutions
Institutions with PASG as the highest % of their portfolio as of Q3 2025
| Institution | Portfolio Weight |
|---|---|
New Leaf Venture Partners, L.L.C. Venture Capital | 1.63% $702.0K |
L Lynx1 Capital Management LP Hedge Fund•Sector | 1.02% $5.0M |
Vestal Point Capital, LP Hedge Fund•Long/Short | 0.12% $2.4M |
T TANG CAPITAL MANAGEMENT LLC Institution | 0.02% $602.3K |
ORBIMED ADVISORS LLC Hedge Fund•Sector | 0.01% $474.1K |
E Erste Asset Management GmbH Institution | 0.01% $999.5K |
B BRIDGEWAY CAPITAL MANAGEMENT INC Long Only Manager | 0.00% $166.6K |
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant | 0.00% $809.3K |
F FIDUCIARY TRUST CO Institution | 0.00% $86.3K |
S Squarepoint Ops LLC Hedge Fund•Quant | 0.00% $188.2K |
Hedge Fund Spotlight
Discover hedge funds investing in PASG
CITADEL ADVISORS LLC
Hedge Fund • Multi-Strategy
Portfolio ManagerKenneth Cordele Griffin
- Portfolio Value
- $122.08B
- Positions
- 5,531
- Last Reported
- Q3 2025
Sector Allocation
Position in Passage Bio, Inc.
- Market Value
- $152.9K
- Shares Held
- 19.1K
- Portfolio Weight
- 0.00%
- Owned Since
- 2025-Q2
| Top Holding | Sector | Market Value | Weight |
|---|---|---|---|
Software - Infrastructure Technology | $2.1B | 1.68% | |
Semiconductors Technology | $1.8B | 1.50% | |
Internet Content & Information Communication Services | $1.4B | 1.18% |
