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)
15 filings
15 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: 24
Total Value: $4,635,553
Total Shares: 590,518
Institutional Ownership Trend
4 quarters
Holder Concentration
Across 24 13F filers · Δ vs Dec 31, 2025Top Holder
22.3%
−12.6 pts
Top 5
77.6%
−5.7 pts
Top 10
94.8%
−4.6 pts
HHI
1,408
Broadly held−627
Quarterly Activity
vs Dec 31, 2025
New
9
Increased
4
Decreased
2
Sold Out
5
Unchanged
9
Holder count:
+4
Institutional value:
+8.6%
Shares held:
+63.2%
Top Buyers
vs Dec 31, 2025| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Small Yiheng Capital Management, L.P. | +51,796 | 86,097 | |
| Mega GEODE CAPITAL MANAGEMENT, LLC | +9,983 | 41,380 | |
| Mid Eversept Partners, LP | +5,351 | 131,581 | |
| Large Rockefeller Capital Management L.P. | +300 | 800 |
Top Sellers
vs Dec 31, 2025| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| 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 | |
| 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 | |
| Mega VANGUARD FIDUCIARY TRUST CO | 17,049 | $133,834 |
Top Sold-Out Positions
vs Dec 31, 2025| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Mega NORTHERN TRUST CORP | 14,217 | $167,760 | |
| Mid Quadrature Capital Ltd | 12,578 | $148,420 | |
| Large Squarepoint Ops LLC | 10,799 | $127,428 | |
| Micro NANO CAP NEW MILLENNIUM GROWTH FUND L P | 10,000 | $118,000 | |
| Mega UBS Group AG | 1,442 | $17,014 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Mid Eversept Partners, LP | $1,032,910 | 22.28% | 131,581 | Shares | Sole | 2026-05-15 | ||||
| Mega VANGUARD CAPITAL MANAGEMENT LLC | $894,617 | 19.30% | 113,964 | Shares | Defined | 2026-05-15 | ||||
| Small Yiheng Capital Management, L.P. | $675,861 | 14.58% | 86,097 | Shares | Sole | 2026-05-15 | ||||
| Large Erste Asset Management GmbH | $669,306 | 14.44% | 85,262 | Shares | Sole | 2026-05-11 | ||||
| Mega GEODE CAPITAL MANAGEMENT, LLC | $324,832 | 7.01% | 41,380 | Shares | Defined | 2026-05-15 | ||||
| Large ACADIAN ASSET MANAGEMENT LLC | $189,938 | 4.10% | 24,196 | Shares | Defined | 2026-05-13 | ||||
| Micro Verdad Advisers, LP | $173,704 | 3.75% | 22,128 | Shares | Sole | 2026-05-15 | ||||
| Small DIADEMA PARTNERS LP | $153,310 | 3.31% | 19,530 | Shares | Sole | 2026-05-15 | ||||
| Mid BOOTHBAY FUND MANAGEMENT, LLC | $148,137 | 3.20% | 18,871 | Shares | Other | 2026-05-15 | ||||
| Mega VANGUARD FIDUCIARY TRUST CO Bank | $133,834 | 2.89% | 17,049 | Shares | Defined | 2026-05-08 | ||||
| Mid XTX Topco Ltd | $99,121 | 2.14% | 12,627 | Shares | Defined | 2026-05-15 | ||||
| Mid Fiduciary Trust Co Bank | $84,387 | 1.82% | 10,750 | Shares | Sole | 2026-05-15 | ||||
| Small Persistent Asset Partners Ltd | $38,896 | 0.84% | 4,955 | Shares | Sole | 2026-05-12 | ||||
| Large Rockefeller Capital Management L.P. | $6,280 | 0.14% | 800 | Shares | Defined | 2026-05-14 | ||||
| Mega Vanguard Global Advisers, LLC | $5,008 | 0.11% | 638 | Shares | Defined | 2026-05-08 | ||||
| Mid Tower Research Capital LLC (TRC) | $3,940 | 0.08% | 502 | Shares | Defined | 2026-05-15 | ||||
| Mid SBI Securities Co., Ltd. Broker-Dealer | $973 | 0.02% | 124 | Shares | Defined | 2026-04-28 | ||||
| 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 | ||||
| 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 | ||||
| Large CWM, LLC | $7 | 0.00% | 1 | Shares | Sole | 2026-05-14 | ||||
| No holders match your search. | ||||||||||