Passage BIO PASG Institutional Ownership

NASDAQ PASG

$4.32 -0.18 (-4.11%)

As of: Oct 1, 2026 · 3:59 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

133.52%

▲+77.99 pp QoQ

Shares Held by Institutions

4.28Mn

of 3.21Mn outstanding

▲+228.29% QoQ

Shares Outstanding

3.21Mn

-1.08Mn held outside 13F filers

Institutional Investors

filed 13F for Jun 2026

▼-5 vs prior quarter

Net Shares Added (QoQ)

+2.98Mn

accumulated since last quarter

Value of Holdings

$19.28Mn

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

Quarter ending 30 Jun, 2026

Passage BIO, Inc. (NASDAQ:PASG) showed up in the 13F filings of 30 institutional investors as of June 2026.

These investors collectively held 133.5% of Passage BIO's outstanding shares in June 2026, up from 55.5% in March 2026.
Their total shares held in PASG increased 228.29% from the prior quarter, while the number of investors in Passage BIO decreased 25.0% year over year.
Activity in PASG broke down as 10 buyers, 7 sellers, and 13 unchanged among 30 total holders.
The aggregate institutional position in Passage BIO amounted to 4.28Mn shares as of June 2026, up by 2.98Mn shares quarter on quarter, and up 2.54Mn shares year over year.
CITADEL ADVISORS LLC holds the largest position in PASG at 2.89Mn shares as of June 30, 2026, or 89.95% of shares outstanding.
Top purchasers of PASG stock for the quarter ending June 2026 included CITADEL ADVISORS LLC (2.89Mn), BALYASNY ASSET MANAGEMENT L.P. (107.02K), Lynx1 Capital Management LP (50.06K), Ikarian Capital, LLC (31.39K), DELTEC ASSET MANAGEMENT LLC (15.0K).
Leading sellers of Passage BIO shares for the quarter ending June 2026 were RENAISSANCE TECHNOLOGIES LLC (85.72K), Erste Asset Management GmbH (44.6K), UBS Group AG (13.94K), GEODE CAPITAL MANAGEMENT, LLC (4.35K), ACADIAN ASSET MANAGEMENT LLC (1.7K).
Per Business Quant, the top 10 investors in PASG for the quarter ending June 2026 include CITADEL ADVISORS LLC (2.89Mn), Lynx1 Capital Management LP (673.76K), VANGUARD CAPITAL MANAGEMENT LLC (113.96K), BALYASNY ASSET MANAGEMENT L.P. (107.02K), Ikarian Capital, LLC (99.52K), Yiheng Capital Management, L.P. (86.1K), RENAISSANCE TECHNOLOGIES LLC (47.89K), Erste Asset Management GmbH (40.66K), GEODE CAPITAL MANAGEMENT, LLC (37.03K), Verdad Advisers, LP (30.73K).

Form 13F Holdings

30 Institutional Holders

Report period 30 Jun, 2026

Total shares held 4.28Mn

Of outstanding 133.52%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	CITADEL ADVISORS LLC	0001423053	2,886,125	89.95%	▲2,886,125	0.00%	$4.31Mn
2	Lynx1 Capital Management LP	0001910456	673,759	21.00%	▲50,055	+8.03%	$3.29Mn
3	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	113,964	3.55%	0	0.00%	$556.14K
4	BALYASNY ASSET MANAGEMENT L.P.	0001218710	107,025	3.34%	▲107,025	0.00%	$522.28K
5	Ikarian Capital, LLC	0001778253	99,517	3.10%	▲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	1.27%	▼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	0.96%	▲8,600	+38.86%	$149.95K
11	BOOTHBAY FUND MANAGEMENT, LLC	0001549230	28,439	0.89%	▲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	0.34%	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