StockpollyBeta
Get App
Popularity #5,060
PASG · NASDAQ · Biotechnology

Passage Bio (PASG)

Winding down neurodegenerative gene therapies while pursuing a merger with Remix Therapeutics.

$5.00
vs last close+0.05 (+1.01%)

Something off on this page? Send us feedback.

13F · 13D/G · Form 4

Institutions133.14%4.28M shares
29 holders · as of Jun 30, 2026
Insiders0.37%11.9K shares
2 holders · as of Jan 12, 2026
Strategic holders9.43%303.3K shares
1 holder · as of Jun 26, 2025
Adds to142.94%

3.22M company shares as of Sep 23, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing

These groups come from separate filings that can overlap, so they add to 142.94%; nothing is left for Other.

13F · 13D/G · Form 4

HolderStakeSharesDate
Citadel Advisors LLCInstitution
89.69%2.89Mas of Jun 30, 2026
Lynx1 Capital Management LPInstitution
20.94%673,759as of Jun 30, 2026
Orbimed Advisors LLC1Strategic10 percent owner
9.43%303,317filed Jun 26, 2025
Baselake Partners, LPInstitution
7.30%235,058filed Jun 25, 2026
Vanguard Capital Management LLCInstitution
3.54%113,964as of Jun 30, 2026
Balyasny Asset Management L.P.Institution
3.33%107,025as of Jun 30, 2026
Ikarian Capital, LLCInstitution
3.09%99,517as of Jun 30, 2026
Yiheng Capital Management, L.P.Institution
2.68%86,097as of Jun 30, 2026
Renaissance Technologies LLCInstitution
1.49%47,892as of Jun 30, 2026
Erste Asset Management GmbHInstitution
1.26%40,665as of Jun 30, 2026
Geode Capital Management, LLCInstitution
1.15%37,026as of Jun 30, 2026
Verdad Advisers, LPInstitution
0.95%30,728as of Jun 30, 2026
Boothbay Fund Management, LLCInstitution
0.88%28,439as of Jun 30, 2026
BlackRock, Inc.Institution
0.87%27,910as of Jun 30, 2026
Acadian Asset Management LLCInstitution
0.70%22,496as of Jun 30, 2026
Vanguard Fiduciary Trust CoInstitution
0.53%17,049as of Jun 30, 2026
Deltec Asset Management LLCInstitution
0.47%15,000as of Jun 30, 2026
UBS Group AGInstitution
0.42%13,565as of Jun 30, 2026
HRT Financial LPInstitution
0.40%12,712as of Jun 30, 2026
Fiduciary Trust CoInstitution
0.33%10,750as of Jun 30, 2026
GTS Securities LLCInstitution
0.31%10,000as of Jun 30, 2026
William ChouInsiderdirector, officer: PRESIDENT AND CEO
0.20%6,524filed Jan 12, 2026
Kathleen BorthwickInsiderofficer: CFO
0.17%5,402filed Jan 12, 2026
Morgan StanleyInstitution
0.07%2,389as of Jun 30, 2026
Vanguard Global Advisers, LLCInstitution
0.02%638as of Jun 30, 2026
  1. Reported at 4.25% on Jul 24, 2025, under the 5% line, so no further filing is required.

13F, as of Jun 30, 2026

29 holders · 4.28M shares · 5 new positions · 10 increased · 7 reduced · 9 closed

HolderShares% outstandingChg q/qFiled
Citadel Advisors LLC2.89M89.69%+2.89MAug 14, 2026
LYNX1 Capital Management LP673.8K20.94%+50.1KAug 13, 2026
Vanguard Capital Management LLC114.0K3.54%0Aug 13, 2026
Balyasny Asset Management L.P.107.0K3.33%+107.0KnewAug 14, 2026
Ikarian Capital, LLC99.5K3.09%+31.4KAug 14, 2026
Yiheng Capital Management, L.P.86.1K2.68%0Aug 14, 2026
Renaissance Technologies LLC47.9K1.49%−85.7KAug 13, 2026
Erste Asset Management GmbH40.7K1.26%−44.6KJul 28, 2026

13D/G · 5% or more, as filed

Holder% of classSharesFormFiled
Lynx1 Capital Management LPincl. Weston Nichols21.00%673.8K13DJul 2, 2026
Ryan Wilderincl. Vestal Point Capital, LP9.90%13GNov 14, 2024
Baselake Partners, LP7.30%235.1K13GJun 25, 2026

Form 4

Latest trades

DateInsiderTypeSharesAvg priceOwned after
Jun 25, 2026
Lynx1 Capital Management LP10 percent owner
Purchase50,055$4.12673,759
Jan 8, 2026
Kathleen Borthwickofficer: CFO
Sale2,062$18.445,402
Jan 8, 2026
William Choudirector, officer: PRESIDENT AND CEO
Sale4,076$18.446,524

House and Senate disclosures

Not reported.