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ISSUER PROFILE · CIK 0001787297 · CUSIP 702712100

Passage BIO, Inc.PASG

3 13D/G filings 2 distinct filers 0 insider transactions (365d)

Post-Filing Returns · across 1 activist filings on this issuer

Median 30d
avg —
Median 60d
avg —
Median 90d
avg —
Median 180d
avg —

Returns measured from each activist filing's date_of_event, split + dividend adjusted via Yahoo Finance.

Cross-Reference Snapshot

Activist filings
3
1 SCHEDULE · 2 SC
Distinct filers
2
multi-activist cluster
Insiders (365d)
0
0 buys · 0 sales
Latest short DTC
3.16
as of 2026-03-31

13D/G Filings Timeline · 3 total

FiledFormFilerStakeSharesIntent
2025-07-21 SCHEDULE ORBIMED ADVISORS LLC 7.82% 243,878 view →
2024-04-12 SC ORBIMED ADVISORS LLC view →
2021-01-27 SC Frazier Life Sciences IX, L.P. view →

FINRA Short Interest History

SettlementShort InterestDays to Cover% Δ vs prior
2026-03-31 114,499 3.16 +16.4%
2026-03-13 98,369 1.91 +7.7%
2026-02-27 91,327 4.99 -0.5%
2026-02-13 91,808 1.85 +718.3%
2026-01-30 11,220 1.00 -25.9%
2026-01-15 15,142 1.00 -22.5%
2025-12-31 19,538 1.00 +25.4%
2025-12-15 15,577 1.00 -12.0%

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