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PASG · Passage BIO, Inc. · Holdings

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$4.12 -0.08 (-1.93%) At close · Oct 2
Market Cap
$15.45M
Shares
3.22M
Volume · Oct 2 17.05K Avg daily vol (3M) 27.38K

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.

Some SEC filings for this period have not finished importing. Holder totals and changes may be incomplete; these filings remain queued for recovery.
Holders: 29
Total Value: $6,823,100
Total Shares: 1,398,179

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 29 13F filers · Δ vs Mar 31, 2026
Top Holder
48.2%
Sep 2023 → Jun 2026 · range 24.6% – 48.2%
+13.1 pts
Top 5
77.3%
Sep 2023 → Jun 2026 · range 66.8% – 81.8%
+3.8 pts
Top 10
90.5%
Sep 2023 → Jun 2026 · range 87.1% – 94.8%
−0.4 pts
HHI
2,584
Sep 2023 → Jun 2026 · range 1,197 – 2,584
Highly concentrated+832

Quarterly Activity

vs Mar 31, 2026
New
4
Increased
5
Decreased
7
Sold Out
10
Unchanged
13
Holder count: -6
Institutional value: -51.2%
Shares held: -21.5%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 29 of 29
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1787297 CUSIP 702712209 Visit website Investor relations