Passage Bio Ownership | Who Owns Passage Bio?

Passage Bio Ownership Summary

Passage Bio is owned by 56.10% institutional investors, 0.41% insiders, and 43.49% retail investors. Lynx1 capital management lp is the largest institutional shareholder, holding 19.66% of PASG shares. Worldwide Healthcare Ord is the top mutual fund, with 3.28% of its assets in Passage Bio shares.

PASG Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Passage Bio	56.10%	0.41%	43.49%
Sector	Healthcare Stocks	50.50%	12.33%	37.17%
Industry	Biotech Stocks	49.09%	12.06%	38.85%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Lynx1 capital management lp	623.70K	19.66%	$4.90M
Renaissance	133.61K	4.21%	$1.05M
Vanguard group	126.64K	4.00%	$1.49M
New leaf venture partners	87.43K	2.76%	$702.03K
Yiheng capital management	86.10K	2.71%	$675.86K
Erste asset management gmbh	85.26K	2.69%	$526.92K
Ikarian capital	68.12K	2.15%	$534.77K
Blackrock	817.53K	1.45%	$649.28K
Geode capital management	41.38K	1.30%	$324.88K
Blackrock funding, inc. /de	28.59K	0.90%	$224.47K

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
New leaf venture partners	87.43K	1.63%	$702.03K
Lynx1 capital management lp	623.70K	0.77%	$4.90M
Yiheng capital management	86.10K	0.29%	$675.86K
Verdad advisers, lp	22.13K	0.20%	$173.71K
Ikarian capital	68.12K	0.04%	$534.77K
Erste asset management gmbh	85.26K	0.00%	$526.92K
Boothbay fund management	18.87K	0.00%	$148.14K
Renaissance	133.61K	0.00%	$1.05M
Fiduciary trust	10.75K	0.00%	$84.39K
Acadian asset management	24.20K	0.00%	$189.00K

Top Buyers

Holder	Shares	% Assets	Change
Ikarian capital	68.12K	0.04%	68.12K
Yiheng capital management	86.10K	0.29%	51.80K
Ubs group	27.50K	-	26.06K
Renaissance	133.61K	0.00%	24.52K
Verdad advisers, lp	22.13K	0.20%	22.13K

Top Sellers

Holder	Shares	% Assets	Change
Orbimed advisors	-	-	-6.06M
Versant venture management	-	-	-4.03M
New leaf venture partners	87.43K	1.63%	-2.41M
Tang capital management	-	-	-1.50M
Acuitas investments	-	-	-471.81K

New Positions

Holder	Shares	% Assets	Change	Value
Ikarian capital	68.12K	0.04%	68.12K	$534.77K
Verdad advisers, lp	22.13K	0.20%	22.13K	$173.71K
Boothbay fund management	18.87K	0.00%	18.87K	$148.14K
Vanguard fiduciary trust	17.05K	-	17.05K	$133.84K
Vanguard global advisers	638.00	-	638.00	$5.01K

Sold Out

Holder	Change
Northwestern mutual wealth management	-2.00
Qube research	-4.00
Federation des caisses desjardins du quebec	-10.00
Parallel advisors	-16.00
Mid-american wealth advisory group	-32.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Mar 31, 2026	33	13.79%	1,780,041	12.85%	56	2.26%	18	63.64%	4	-20.00%
Dec 31, 2025	15	-50.00%	417,136	-74.70%	13	0.49%	5	-44.44%	3	-85.71%
Sep 30, 2025	30	-23.08%	1,648,912	-95.30%	52	1.70%	9	-35.71%	21	90.91%
Jun 30, 2025	39	-4.88%	35,055,187	3.65%	55	1.87%	16	6.67%	11	-
Mar 31, 2025	42	-4.55%	36,319,837	-3.48%	58	1.58%	15	-25.00%	11	10.00%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Worldwide Healthcare Ord	2.03M	3.28%	-
Vanguard Total Stock Mkt Idx Inv	78.76K	2.45%	-
Vanguard Morn Total Stk Mkt Idx Investor	78.76K	2.45%	-
Vanguard US Total Market Shares ETF	1.50M	2.41%	-
Vanguard Institutional Extnd Mkt Idx Tr	35.20K	1.10%	-
Bridgeway Ultra-Small Company	416.04K	0.67%	-
Galileo - Biotech Innovation Fund S USD	412.28K	0.65%	-
Fidelity Extended Market Index	17.16K	0.53%	-1.38K
Fidelity Total Market Index	6.43K	0.20%	-
iShares Micro-Cap ETF	101.78K	0.16%	-

Recent Insider Transactions

Date	Name	Role	Activity	Value
Jun 25, 2026	Lynx1 Capital Management LP	-	Buy	$206.10K
Jan 08, 2026	Chou William	PRESIDENT AND CEO	Sell	$75.16K
Jan 08, 2026	Borthwick Kathleen	CFO	Sell	$38.02K
Sep 15, 2025	Lynx1 Capital Management LP	-	Buy	$83.18K
Sep 11, 2025	Lynx1 Capital Management LP	-	Buy	$2.26K

Insider Transactions Trends

Date	Buy	Sell
2026 Q2	-	-
2026 Q1	-	2
2025 Q3	6	-
2025 Q2	-	9
2025 Q1	-	7

PASG Ownership FAQ

Who Owns Passage Bio?

Passage Bio shareholders are primarily institutional investors at 56.10%, followed by 0.41% insiders and 43.49% retail investors. The average institutional ownership in Passage Bio's industry, Biotech Stocks , is 49.09%, which Passage Bio exceeds.

Who owns the most shares of Passage Bio?

Passage Bio’s largest shareholders are Lynx1 capital management lp (623.7K shares, 19.66%), Renaissance (133.61K shares, 4.21%), and Vanguard group (126.64K shares, 4.00%). Together, they hold 27.86% of Passage Bio’s total shares outstanding.

Does Blackrock own Passage Bio?

Yes, BlackRock owns 1.45% of Passage Bio, totaling 817.53K shares as of Jun 2024. This represents 0% of BlackRock's total assets, with a market value of 649.28K$. In the last quarter, BlackRock decreased its holdings by -105K shares, a -11.38% change.

Who is Passage Bio’s biggest shareholder by percentage of total assets invested?

New leaf venture partners is Passage Bio’s biggest shareholder by percentage of total assets invested, with 1.63% of its assets in 87.43K Passage Bio shares, valued at 702.03K$.

Who is the top mutual fund holder of Passage Bio shares?

Worldwide Healthcare Ord is the top mutual fund holder of Passage Bio shares, with 3.28% of its total shares outstanding invested in 2.03M Passage Bio shares.

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