Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in PASG held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | Lynx1 Capital Management LP | 624K | $4.9M | 0.0% | 19.443% | 0.77% |
| 2 | Vestal Point Capital, LP | 305K | $2.4M | 0.0% | 9.508% | 0.07% |
| 3 | RENAISSANCE TECHNOLOGIES LLC | 134K | $1.0M | +22.5% | 4.165% | 0.00% |
| 4 | Eversept Partners, LP | 132K | $1.0M | +4.2% | 4.102% | 0.07% |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 114K | $895K | — | 3.553% | 0.00% |
| 6 | Yiheng Capital Management, L.P. | 86K | $676K | +151.0% | 2.684% | 0.29% |
| 7 | Ikarian Capital, LLC | 68K | $535K | — | 2.124% | 0.06% |
| 8 | Erste Asset Management GmbH | 85K | $527K | 0.0% | 2.658% | 0.00% |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | 41K | $325K | +31.8% | 1.290% | 0.00% |
| 10 | BlackRock, Inc. | 29K | $224K | -1.1% | 0.891% | 0.00% |
| 11 | UBS Group AG | 28K | $216K | +1807.1% | 0.857% | 0.00% |
| 12 | Verdad Advisers, LP | 22K | $174K | — | 0.690% | 0.20% |
| 13 | DIADEMA PARTNERS LP | 20K | $153K | — | 0.609% | 0.05% |
| 14 | BOOTHBAY FUND MANAGEMENT, LLC | 19K | $148K | — | 0.588% | 0.00% |
| 15 | VANGUARD FIDUCIARY TRUST CO | 17K | $134K | — | 0.532% | 0.00% |
| 16 | XTX Topco Ltd | 13K | $99K | — | 0.394% | 0.00% |
| 17 | FIDUCIARY TRUST CO | 11K | $84K | 0.0% | 0.335% | 0.00% |
| 18 | Persistent Asset Partners Ltd | 5K | $39K | — | 0.154% | 0.02% |
| 19 | MORGAN STANLEY | 3K | $21K | -38.0% | 0.083% | 0.00% |
| 20 | Rockefeller Capital Management L.P. | 800 | $6K | +60.0% | 0.025% | 0.00% |
| 21 | Vanguard Global Advisers, LLC | 638 | $5K | — | 0.020% | 0.00% |
| 22 | Tower Research Capital LLC (TRC) | 502 | $4K | — | 0.016% | 0.00% |
| 23 | BARCLAYS PLC | 212 | $2K | 0.0% | 0.007% | 0.00% |
| 24 | SBI Securities Co., Ltd. | 124 | $973 | -12.7% | 0.004% | 0.00% |
| 25 | WELLS FARGO & COMPANY/MN | 115 | $903 | — | 0.004% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in PASG — a direct measure of their conviction.
Filings activity in PASG during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 34 | +9.7% | 73.19% | 25.14 pp | $14M | 26% |
| Q4 2025 | 31 | 3.1% | 98.33% | +28.34 pp | $18M | +40% |
| Q3 2025 | 32 | 22% | 69.99% | 104.42 pp | $13M | 60% |
| Q2 2025 | 41 | 6.8% | 174.41% | +107.52 pp | $33M | +161% |
| Q1 2025 | 44 | 6.4% | 66.89% | 45.92 pp | $12M | 41% |
| Q4 2024 | 47 | +4.4% | 112.81% | 28.93 pp | $21M | 20% |
| Q3 2024 | 45 | +0.0% | 141.74% | 31.24 pp | $26M | 18% |
| Q2 2024 | 45 | — | 172.98% | — | $32M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying PASG stock.
Based on Q1 2026 13F filings, institutional ownership of Passage Bio, Inc. stands at 73.2%, held across 34 reporting institutions.
Lynx1 Capital Management LP is the largest reported institutional holder of PASG, with approximately 623,704 shares worth $0.00B as of Q1 2026.
Yes — 1 widely-followed marquee investor appear among the top 25 institutional holders of PASG, including RENAISSANCE TECHNOLOGIES LLC.
Our composite Smart Money Score for PASG is 41 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
12 institutions opened new positions in PASG during Q1 2026, while 9 fully exited. 3 added to existing positions and 17 trimmed.
PASG institutional ownership fell by 25.14 percentage points quarter-over-quarter, with a net change of +3 holders.
The top 10 institutions account for 92.0% of all reported 13F value in PASG, and the top 25 account for 100.0%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Passage Bio, Inc. (PASG) Institutional Ownership