PASG · Passage BIO, Inc.

$4.59 +0.02 (+0.33%) At close · Aug 14

Market Cap

$14.77M

3.22M

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.

Quarter:

Holders: 31

Total Value: $20,907,389

Total Shares: 4,284,304

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 30 13F filers · Δ vs Mar 31, 2026

Top Holder

67.4%

+32.3 pts

Top 5

90.6%

+17.1 pts

Top 10

96.2%

+5.4 pts

HHI

4,813

Highly concentrated+3,061

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: -4

Institutional value: +49.6%

Shares held: +140.7%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Small Lynx1 Capital Management LP	+50,055	673,759
Small Ikarian Capital, LLC	+31,393	99,517
Mid BOOTHBAY FUND MANAGEMENT, LLC	+9,568	28,439
Small Verdad Advisers, LP	+8,600	30,728
Mid SBI Securities Co., Ltd.	+45	169

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Mid Vestal Point Capital, LP	−305,000	0
Large RENAISSANCE TECHNOLOGIES LLC	−85,720	47,892
Large Erste Asset Management GmbH	−44,597	40,665
Mega UBS Group AG	−13,936	13,565
Mega GEODE CAPITAL MANAGEMENT, LLC	−4,354	37,026

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Mega CITADEL ADVISORS LLC	2,886,125	$14,084,289
Large Balyasny Asset Management L.P.	107,025	$522,282
Small DELTEC ASSET MANAGEMENT LLC	15,000	$73,200
Large HRT FINANCIAL LP	12,712	$62,034
Mid GTS SECURITIES LLC	10,000	$48,800

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Mid Eversept Partners, LP	131,581	$1,032,910
Small DIADEMA PARTNERS LP	19,530	$153,310
Mid XTX Topco Ltd	12,627	$99,121
Small Persistent Asset Partners Ltd	4,955	$38,896
Large Rockefeller Capital Management L.P.	800	$6,280

Filter: New 5 Increased 5 Reduced 8 Sold out 9 Unchanged 13

Showing 31 of 31

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

CITADEL ADVISORS LLC

$14,084,289

67.37%

2,886,125

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	413	$2,015	0.0%	Defined
Held directly	2,885,712	$14,082,274	100.0%	Defined

Lynx1 Capital Management LP

$3,287,943

15.73%

673,759

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Lynx1 Capital Advisors LLC	673,759	$3,287,943	100.0%	Other

VANGUARD CAPITAL MANAGEMENT LLC

$556,144

2.66%

113,964

Balyasny Asset Management L.P.

$522,282

2.50%

107,025

Ikarian Capital, LLC

$485,642

2.32%

99,517

Yiheng Capital Management, L.P.

$420,153

2.01%

86,097

RENAISSANCE TECHNOLOGIES LLC

$233,712

1.12%

47,892

Erste Asset Management GmbH

$198,445

0.95%

40,665

GEODE CAPITAL MANAGEMENT, LLC

$180,686

0.86%

37,026

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GEODE CAPITAL MANAGEMENT TRUST COMPANY, LLC	7,370	$35,965	19.9%	Defined
Held directly	29,656	$144,721	80.1%	Defined

Verdad Advisers, LP

$149,952

0.72%

30,728

BOOTHBAY FUND MANAGEMENT, LLC

$138,782

0.66%

28,439

BlackRock, Inc.

$136,200

0.65%

27,910

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BLACKROCK FINANCIAL MANAGEMENT INC/DE	973	$4,748	3.5%	Sole
BlackRock Fund Advisors	504	$2,459	1.8%	Sole
BlackRock Institutional Trust Company, N.A.	26,433	$128,993	94.7%	Sole

ACADIAN ASSET MANAGEMENT LLC

$109,780

0.53%

22,496

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Acadian Inc	22,496	$109,780	100.0%	Defined

VANGUARD FIDUCIARY TRUST CO

$83,199

0.40%

17,049

DELTEC ASSET MANAGEMENT LLC

$73,200

0.35%

15,000

UBS Group AG

$66,196

0.32%

13,565

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS AG	680	$3,318	5.0%	Defined
UBS Europe SE	11,700	$57,096	86.3%	Defined
UBS Securities LLC	1,185	$5,782	8.7%	Defined

HRT FINANCIAL LP

$62,034

0.30%

12,712

Fiduciary Trust Co

$52,460

0.25%

10,750

GTS SECURITIES LLC

$48,800

0.23%

10,000

MORGAN STANLEY

$11,658

0.06%

2,389

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MORGAN STANLEY & CO. LLC	2,240	$10,931	93.8%	Defined
MORGAN STANLEY CAPITAL SERVICES, LLC	99	$483	4.1%	Defined
MORGAN STANLEY SMITH BARNEY LLC	50	$244	2.1%	Defined

Vanguard Global Advisers, LLC

$3,113

0.01%

638

BARCLAYS PLC

$1,034

0.00%

212

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BARCLAYS BANK PLC	212	$1,034	100.0%	Defined

SBI Securities Co., Ltd.

$824

0.00%

169

WELLS FARGO & COMPANY/MN

$561

0.00%

115

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
WELLS FARGO CLEARING SERVICES, LLC	115	$561	100.0%	Defined

OSAIC HOLDINGS, INC.

$73

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
OSAIC WEALTH, INC.	15	$73	100.0%	Defined

JPMORGAN CHASE & CO

$73

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
J.P. Morgan Securities plc	15	$73	100.0%	Defined

LRI Investments, LLC

$58

0.00%

BNP PARIBAS ARBITRAGE, SA

$58

0.00%

TSFG, LLC

$24

0.00%

HARBOUR INVESTMENTS, INC.

$14

0.00%

Vestal Point Capital, LP

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
XTX EXECUTION SERVICES LLC joint	12,627	$99,121	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
ROCKEFELLER FINANCIAL LLC	800	$6,280	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Latour Trading LLC (Latour)	502	$3,940	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
RBC Capital Markets, LLC	2	$15	100.0%	Defined

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