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PASG · Passage BIO, Inc. · Shareholders & Ownership

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$4.01 +0.01 (+0.25%) At close · Nov 12 Q4 2022 earnings call transcript
Rebalance outlook locked
Going-concern doubt — flagged Aug 10, 2026

Substantial doubt about the company's ability to continue as a going concern.

“As a result, there is substantial doubt about the Company's ability to continue as a going concern within one year after the date that these consolidated financial statements are issued.”
View the 10-Q filed Aug 10, 2026
Market Cap
$12.90M
Shares
3.22M
Volume · Nov 12 12.63K Avg daily vol (3M) 20.62K

Every disclosed holder of PASG in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.

How the holder list picks a filing →

Who Owns PASG

13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positions
Holder group Shares % Out
Institutional (13F) 1,402,033 43.57%
Insiders (Forms 3, 4, 5) 315,243 9.80%
13D/G-only blocks 235,058 7.30%
Remaining 1,265,476 39.33%
Registered funds (N-PORT, not summed) 146,810 4.56%

Shares outstanding: 3,217,810, the issuer's latest cover-page count restated onto today's split basis.

13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.

Holders of PASG

One row per holder Every filing By ultimate parent
All 13F Funds Insiders 13D/G Non-US
# Holder Shares
1
Lynx1 Capital Management LP
13F CIK 1910456 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
 673,759
1.1
Lynx1 Capital Management LP
Insider CIK 1910456 · Jun 25, 2026
10% Owner, issuer-wide, not summed
 673,759
2
Baselake Partners, LP
13G CIK 1957912 · Unknown · Jun 18, 2026
Rule 13d-1(c), passive investor
 235,058
3
ORBIMED ADVISORS LLC
13D CIK 1055951 · Registered investment adviser · Jul 22, 2025
Item 4 purpose: none of the classified purposes
not summed
 132,473
3.1
ORBIMED ADVISORS LLC
Insider CIK 1055951 · Jun 26, 2025
10% Owner, issuer-wide
 303,317
4
VANGUARD CAPITAL MANAGEMENT LLC
13F CIK 2100119 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
 113,964
5
Balyasny Asset Management L.P.
13F CIK 1218710 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
 107,025
6
Ikarian Capital, LLC
13F CIK 1778253 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
 99,517
7
Yiheng Capital Management, L.P.
13F CIK 1447228 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
 86,097
8
VANGUARD TOTAL STOCK MARKET INDEX FUND
Fund S000002848 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
 78,764
9
RENAISSANCE TECHNOLOGIES LLC
13F CIK 1037389 · Registered investment adviser · Sep 30, 2026
46,892
10
Erste Asset Management GmbH
13F CIK 2024532 · Non-US institution · Sep 30, 2026
40,665
11
GEODE CAPITAL MANAGEMENT, LLC
13F CIK 1214717 · Registered investment adviser · Sep 30, 2026
37,026
12
VANGUARD EXTENDED MARKET INDEX FUND
Fund S000002841 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
 35,200
13
Verdad Advisers, LP
13F CIK 1812822 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
 30,728
14
BOOTHBAY FUND MANAGEMENT, LLC
13F CIK 1549230 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
 28,439
15
BlackRock, Inc.
13F CIK 2012383 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
 27,910
15.1
Diversified Equity Alpha Master Portfolio
Fund S000004282 · Registered fund · Jun 30, 2026
Master Investment Portfolio, not summed
 504
16
ACADIAN ASSET MANAGEMENT LLC
13F CIK 916542 · Unknown · Sep 30, 2026
22,496
17
JANE STREET GROUP, LLC
13F CIK 1595888 · Unknown · Sep 30, 2026
17,993
18
VANGUARD FIDUCIARY TRUST CO
13F CIK 933478 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
 17,049
19
Fidelity Extended Market Index Fund
Fund S000006021 · Registered fund · Aug 31, 2026
Fidelity Concord Street Trust, not summed
 17,033
20
DELTEC ASSET MANAGEMENT LLC
13F CIK 1269950 · Registered investment adviser · Sep 30, 2026
15,000
21
HRT FINANCIAL LP
13F CIK 1475597 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
 12,712
22
Fiduciary Trust Co
13F CIK 35442 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
 10,750
23
GTS SECURITIES LLC
13F CIK 1452765 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
 10,000
24
Chou William
Insider CIK 1949693 · Jan 8, 2026
Director, PRESIDENT AND CEO, issuer-wide
 6,524
25
Fidelity Total Market Index Fund
Fund S000006026 · Registered fund · Aug 31, 2026
Fidelity Concord Street Trust, not summed
 6,427
26
Borthwick Kathleen
Insider CIK 1987062 · Jan 8, 2026
CFO, issuer-wide
 5,402
27
Fidelity Series Total Market Index Fund
Fund S000065248 · Registered fund · Aug 31, 2026
Fidelity Concord Street Trust, not summed
 4,783
28
MORGAN STANLEY
13F CIK 895421 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
 2,389
29
LVIP Dimensional U.S. Core Equity 2 Fund
Fund S000048564 · Registered fund · Jun 30, 2026
LINCOLN VARIABLE INSURANCE PRODUCTS TRUST, not summed
 2,022
30
Fidelity Nasdaq Composite Index Fund
Fund S000055366 · Registered fund · Aug 31, 2026
Fidelity Concord Street Trust, not summed
 1,274
31
Dimensional U.S. Core Equity 2 ETF
Fund S000070903 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
 792
32
Vanguard Global Advisers, LLC
13F CIK 1811242 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
 638
33
UBS Group AG
13F CIK 1610520 · Bank · Sep 30, 2026
417
34
BARCLAYS PLC
13F CIK 312069 · Bank · Sep 30, 2026
214
35
SBI Securities Co., Ltd.
13F CIK 1851815 · Non-US institution · Sep 30, 2026
181
36
WELLS FARGO & COMPANY/MN
13F CIK 72971 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
 115
37
JPMORGAN CHASE & CO
13F CIK 19617 · Bank · Sep 30, 2026
15
38
OSAIC HOLDINGS, INC.
13F CIK 1677044 · Holding company · Sep 30, 2026
15
39
BNP PARIBAS ARBITRAGE, SA
13F CIK 1166588 · Non-US institution · Sep 30, 2026
12
40
LRI Investments, LLC
13F CIK 2023325 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
 12
41
Guggenheim Active Allocation Fund
Fund · Registered fund · Aug 31, 2026
Guggenheim Active Allocation Fund, not summed
 11
42
HARBOUR INVESTMENTS, INC.
13F CIK 810121 · Registered investment adviser · Sep 30, 2026
3

Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.

Key facts CIK 1787297 CUSIP 702712209 13F (30d) 25 filings 14 filers Visit website Investor relations