PASG
Passage BIO, Inc.Company with tickers: PASG
CIK
1787297
CUSIP
702712209
Shares Outstanding
3,207,810
Website
https://www.passagebio.com
Investor Relations
https://investors.passagebio.com/investors-and-news/overview/default.aspx
13F Activity (30d)
2 filings
1 filers
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 35
Total Value: $13,973,356
Total Shares: 1,780,048
Institutional Ownership Trend
4 quarters
Holder Concentration
Across 35 13F filers · Δ vs Dec 31, 2025Top Holder
35.0%
−4.5 pts
Top 5
73.5%
−8.3 pts
Top 10
90.9%
−3.9 pts
HHI
1,752
Moderately concentrated−409
Quarterly Activity
vs Dec 31, 2025
New
12
Increased
6
Decreased
4
Sold Out
7
Unchanged
13
Holder count:
+5
Institutional value:
-24.9%
Shares held:
+12.8%
Top Buyers
vs Dec 31, 2025| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Small Yiheng Capital Management, L.P. | +51,796 | 86,097 | |
| Mega UBS Group AG | +26,059 | 27,501 | |
| Large RENAISSANCE TECHNOLOGIES LLC | +24,523 | 133,612 | |
| Mega GEODE CAPITAL MANAGEMENT, LLC | +9,983 | 41,380 | |
| Mid Eversept Partners, LP | +5,351 | 131,581 |
Top Sellers
vs Dec 31, 2025| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Mega MORGAN STANLEY | −1,625 | 2,650 | |
| Mega BlackRock, Inc. | −308 | 28,595 | |
| Mid SBI Securities Co., Ltd. | −18 | 124 | |
| Large OSAIC HOLDINGS, INC. | −5 | 15 |
Top New Positions
vs Dec 31, 2025| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Mega VANGUARD CAPITAL MANAGEMENT LLC | 113,964 | $894,617 | |
| Mid Ikarian Capital, LLC | 68,124 | $534,773 | |
| Micro Verdad Advisers, LP | 22,128 | $173,704 | |
| Small DIADEMA PARTNERS LP | 19,530 | $153,310 | |
| Mid BOOTHBAY FUND MANAGEMENT, LLC | 18,871 | $148,137 |
Top Sold-Out Positions
vs Dec 31, 2025| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Mega VANGUARD GROUP INC | 126,645 | $1,494,410 | |
| Mega CITADEL ADVISORS LLC | 17,660 | $208,388 | |
| Mega NORTHERN TRUST CORP | 14,217 | $167,760 | |
| Mid Quadrature Capital Ltd | 12,578 | $148,420 | |
| Large Squarepoint Ops LLC | 10,799 | $127,428 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Small Lynx1 Capital Management LP | $4,896,076 | 35.04% | 623,704 | Shares | Other | 2026-05-04 | ||||
| Mid Vestal Point Capital, LP | $2,394,250 | 17.13% | 305,000 | Shares | Sole | 2026-05-15 | ||||
| Large RENAISSANCE TECHNOLOGIES LLC | $1,048,854 | 7.51% | 133,612 | Shares | Sole | 2026-05-14 | ||||
| Mid Eversept Partners, LP | $1,032,910 | 7.39% | 131,581 | Shares | Sole | 2026-05-15 | ||||
| Mega VANGUARD CAPITAL MANAGEMENT LLC | $894,617 | 6.40% | 113,964 | Shares | Defined | 2026-05-15 | ||||
| Small Yiheng Capital Management, L.P. | $675,861 | 4.84% | 86,097 | Shares | Sole | 2026-05-15 | ||||
| Large Erste Asset Management GmbH | $669,306 | 4.79% | 85,262 | Shares | Sole | 2026-05-11 | ||||
| Mid Ikarian Capital, LLC | $534,773 | 3.83% | 68,124 | Shares | Sole | 2026-05-15 | ||||
| Mega GEODE CAPITAL MANAGEMENT, LLC | $324,832 | 2.32% | 41,380 | Shares | Defined | 2026-05-15 | ||||
| Mega BlackRock, Inc. | $224,470 | 1.61% | 28,595 | Shares | Sole | 2026-05-13 | ||||
| Mega UBS Group AG | $215,882 | 1.54% | 27,501 | Shares | Defined | 2026-05-05 | ||||
| Large ACADIAN ASSET MANAGEMENT LLC | $189,938 | 1.36% | 24,196 | Shares | Defined | 2026-05-13 | ||||
| Micro Verdad Advisers, LP | $173,704 | 1.24% | 22,128 | Shares | Sole | 2026-05-15 | ||||
| Small DIADEMA PARTNERS LP | $153,310 | 1.10% | 19,530 | Shares | Sole | 2026-05-15 | ||||
| Mid BOOTHBAY FUND MANAGEMENT, LLC | $148,137 | 1.06% | 18,871 | Shares | Other | 2026-05-15 | ||||
| Mega VANGUARD FIDUCIARY TRUST CO Bank | $133,834 | 0.96% | 17,049 | Shares | Defined | 2026-05-08 | ||||
| Mid XTX Topco Ltd | $99,121 | 0.71% | 12,627 | Shares | Defined | 2026-05-15 | ||||
| Mid Fiduciary Trust Co Bank | $84,387 | 0.60% | 10,750 | Shares | Sole | 2026-05-15 | ||||
| Small Persistent Asset Partners Ltd | $38,896 | 0.28% | 4,955 | Shares | Sole | 2026-05-12 | ||||
| Mega MORGAN STANLEY | $20,800 | 0.15% | 2,650 | Shares | Defined | 2026-05-15 | ||||
| Large Rockefeller Capital Management L.P. | $6,280 | 0.04% | 800 | Shares | Defined | 2026-05-14 | ||||
| Mega Vanguard Global Advisers, LLC | $5,008 | 0.04% | 638 | Shares | Defined | 2026-05-08 | ||||
| Mid Tower Research Capital LLC (TRC) | $3,940 | 0.03% | 502 | Shares | Defined | 2026-05-15 | ||||
| Mega BARCLAYS PLC | $1,664 | 0.01% | 212 | Shares | Defined | 2026-05-15 | ||||
| Mid SBI Securities Co., Ltd. Broker-Dealer | $973 | 0.01% | 124 | Shares | Defined | 2026-04-28 | ||||
| Mega WELLS FARGO & COMPANY/MN | $902 | 0.01% | 115 | Shares | Defined | 2026-05-11 | ||||
| Mid Parallel Advisors, LLC | $125 | 0.00% | 16 | Shares | Sole | 2026-05-07 | ||||
| Large OSAIC HOLDINGS, INC. | $117 | 0.00% | 15 | Shares | Defined | 2026-05-15 | ||||
| Mega JPMORGAN CHASE & CO | $117 | 0.00% | 15 | Shares | Defined | 2026-05-13 | ||||
| Small LRI Investments, LLC | $94 | 0.00% | 12 | Shares | Sole | 2026-04-30 | ||||
| Mega BNP PARIBAS ARBITRAGE, SA | $94 | 0.00% | 12 | Shares | Defined | 2026-05-12 | ||||
| Small TSFG, LLC | $39 | 0.00% | 5 | Shares | Sole | 2026-04-27 | ||||
| Mid HARBOUR INVESTMENTS, INC. | $23 | 0.00% | 3 | Shares | Sole | 2026-05-15 | ||||
| Mega ROYAL BANK OF CANADA Bank | $15 | 0.00% | 2 | Shares | Defined | 2026-05-15 | ||||
| Large CWM, LLC | $7 | 0.00% | 1 | Shares | Sole | 2026-05-14 | ||||
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