Passage BIO PASG Institutional Ownership

NASDAQ PASG

$3.51 -0.08 (-2.23%)

At close: Oct 22, 2026 · 4:00 PM EDT

Institutions by Trading Activity

30 Institutions

Increased 10 33.3%

Unchanged 13 43.3%

Reduced 7 23.3%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

—

13F totals exceed reported shares outstanding

Shares Held by Institutions

4.28Mn

of 3.22Mn outstanding

▲+140.68% QoQ

Shares Outstanding

3.22Mn

Institutional Investors

filed 13F for Jun 2026

▼-5 vs prior quarter

Net Shares Added (QoQ)

+2.50Mn

accumulated since last quarter

Value of Holdings

$15.38Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Updated Oct 11, 2026

Passage BIO, Inc. (NASDAQ:PASG) had 30 institutional holders reporting a position on Form 13F for the quarter ended June 30, 2026.

Total shares held in PASG rose 140.68% from Q1 2026; the number of holders fell 18.92% from Q2 2025.
Among the 30 holders of Passage BIO, 10 added to their positions, 7 reduced their stakes and 13 left their positions unchanged.
Altogether, institutional holders owned 4.28Mn PASG shares at the end of Q2 2026, up 2.5Mn from the prior quarter and up 2.54Mn from a year earlier.
As of June 30, 2026, the biggest holder of Passage BIO was Citadel Advisors LLC with 2.89Mn shares.
Among existing holders, the largest additions to Passage BIO in Q2 2026 came from Lynx1 Capital Management LP (+50.05K shares), Ikarian Capital, LLC (+31.39K shares), Boothbay Fund Management, LLC (+9.57K shares), Verdad Advisers, LP (+8.6K shares) and SBI Securities Co., Ltd. (+45 shares).
The biggest cuts to PASG positions during Q2 2026 came from Renaissance Technologies LLC (-85.72K shares), Erste Asset Management GmbH (-44.6K shares), UBS Group AG (-13.94K shares), Geode Capital Management, LLC (-4.35K shares) and Acadian Asset Management LLC (-1.7K shares).
Passage BIO's 10 largest institutional shareholders as of Q2 2026 were Citadel Advisors LLC (2.89Mn shares), Lynx1 Capital Management LP (673.76K shares), Vanguard Capital Management LLC (113.96K shares), Balyasny Asset Management L.P. (107.03K shares), Ikarian Capital, LLC (99.52K shares), Yiheng Capital Management, L.P. (86.1K shares), Renaissance Technologies LLC (47.89K shares), Erste Asset Management GmbH (40.66K shares), Geode Capital Management, LLC (37.03K shares) and Verdad Advisers, LP (30.73K shares), per Business Quant data.

Form 13F Holdings

30 Institutional Holders

Report period 30 Jun, 2026

Total shares held 4.28Mn

Of outstanding —

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	CITADEL ADVISORS LLC	0001423053	2,886,125	89.69%	▲2,886,125	0.00%	$4.31Mn
2	Lynx1 Capital Management LP	0001910456	673,759	20.94%	▲50,055	+8.03%	$3.29Mn
3	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	113,964	3.54%	0	0.00%	$556.14K
4	BALYASNY ASSET MANAGEMENT L.P.	0001218710	107,025	3.33%	▲107,025	0.00%	$522.28K
5	Ikarian Capital, LLC	0001778253	99,517	3.09%	▲31,393	+46.08%	$485.64K
6	Yiheng Capital Management, L.P.	0001447228	86,097	2.68%	0	0.00%	$420.15K
7	RENAISSANCE TECHNOLOGIES LLC	0001037389	47,892	1.49%	▼85,720	-64.16%	$233.71K
8	Erste Asset Management GmbH	0002024532	40,665	1.26%	▼44,597	-52.31%	$197.23K
9	GEODE CAPITAL MANAGEMENT, LLC	0001214717	37,026	1.15%	▼4,354	-10.52%	$180.72K
10	Verdad Advisers, LP	0001812822	30,728	0.95%	▲8,600	+38.86%	$149.95K
11	BOOTHBAY FUND MANAGEMENT, LLC	0001549230	28,439	0.88%	▲9,568	+50.70%	$138.78K
12	BlackRock, Inc.	0002012383	27,910	0.87%	▼685	-2.40%	$136.20K
13	ACADIAN ASSET MANAGEMENT LLC	0000916542	22,496	0.70%	▼1,700	-7.03%	$109
14	VANGUARD FIDUCIARY TRUST CO	0000933478	17,049	0.53%	0	0.00%	$83.20K
15	DELTEC ASSET MANAGEMENT LLC	0001269950	15,000	0.47%	▲15,000	0.00%	$73.20K
16	UBS Group AG	0001610520	13,565	0.42%	▼13,936	-50.67%	$66.20K
17	HRT FINANCIAL LP	0001475597	12,712	0.40%	▲12,712	0.00%	$62
18	FIDUCIARY TRUST CO	0000035442	10,750	0.33%	0	0.00%	$52.46K
19	GTS SECURITIES LLC	0001452765	10,000	0.31%	▲10,000	0.00%	$48.80K
20	Morgan Stanley	0000895421	2,389	0.07%	▼261	-9.85%	$11.66K

Showing 1 to 20 of 30 holders