Passage Bio Ownership | Who Owns Passage Bio?

Passage Bio Ownership Summary

Passage Bio is owned by 13.16% institutional investors, 0.21% insiders, and 86.63% retail investors. Vanguard group is the largest institutional shareholder, holding 4.00% 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	13.16%	0.21%	86.63%
Sector	Healthcare Stocks	232.51%	10.72%	-143.22%
Industry	Biotech Stocks	384.55%	10.58%	-295.13%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Vanguard group	126.64K	4.00%	$1.49M
Renaissance	109.09K	3.44%	$1.29M
New leaf venture partners	87.43K	2.76%	$702.03K
Erste asset management gmbh	85.26K	2.69%	$1.00M
Blackrock	817.53K	1.45%	$649.28K
Geode capital management	31.40K	0.99%	$370.55K
Blackrock funding, inc. /de	28.90K	0.91%	$341.06K
Acadian asset management	24.20K	0.76%	$284.00K
Nano cap new millennium growth fund l p	10.00K	0.32%	$118.00M
Millennium management	148.61K	0.24%	$84.28K

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
New leaf venture partners	87.43K	1.63%	$702.03K
Nano cap new millennium growth fund l p	10.00K	0.10%	$118.00M
Erste asset management gmbh	85.26K	0.01%	$1.00M
Renaissance	109.09K	0.00%	$1.29M
Acadian asset management	24.20K	0.00%	$284.00K
Engineers gate manager lp	-	-	-
Mariner	-	-	-
Parallel advisors	16.00	-	$189.00
Tower research capital llc (trc)	-	-	-
Two sigma advisers, lp	-	-	-

Top Buyers

Holder	Shares	% Assets	Change
Nano cap new millennium growth fund l p	10.00K	0.10%	10.00K
Vanguard group	126.64K	-	9.62K
Renaissance	109.09K	0.00%	8.30K
Geode capital management	31.40K	-	4.11K
Morgan stanley	4.28K	-	3.94K

Top Sellers

Holder	Shares	% Assets	Change
Lynx1 capital management lp	-	-	-9.26M
Vestal point capital, lp	-	-	-6.10M
Orbimed advisors	-	-	-6.06M
Versant venture management	-	-	-4.03M
New leaf venture partners	87.43K	1.63%	-2.41M

New Positions

Holder	Shares	% Assets	Change	Value
Nano cap new millennium growth fund l p	10.00K	0.10%	10.00K	$118.00M

Sold Out

Holder	Change
Qube research	-4.00
Federation des caisses desjardins du quebec	-10.00
Mid-american wealth advisory group	-32.00
Group one trading	-47.00
Farther finance advisors	-50.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
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%
Dec 31, 2024	13	-70.45%	6,312,660	-83.67%	10	0.26%	5	-72.22%	4	-42.86%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Worldwide Healthcare Ord	2.03M	3.28%	-
Vanguard US Total Market Shares ETF	1.50M	2.41%	-
Vanguard Total Stock Mkt Idx Inv	73.23K	2.35%	-1.60K
Vanguard Institutional Extnd Mkt Idx Tr	25.59K	0.82%	924.00
Bridgeway Ultra-Small Company	416.04K	0.67%	-
Galileo - Biotech Innovation Fund S USD	412.28K	0.65%	-
Fidelity Extended Market Index	14.40K	0.45%	-
iShares Micro-Cap ETF	101.78K	0.16%	-
Bridgeway Ultra-Small Company Market	90.10K	0.14%	-50.00K
Fidelity Total Market Index	4.07K	0.13%	1.00

Recent Insider Transactions

Date	Name	Role	Activity	Value
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
Sep 12, 2025	Lynx1 Capital Management LP	-	Buy	$138.30K

Insider Transactions Trends

Date	Buy	Sell
2025 Q3	6	-
2025 Q2	-	9
2025 Q1	-	7
2024 Q4	4	6
2024 Q3	-	4

PASG Ownership FAQ

Who Owns Passage Bio?

Passage Bio shareholders are primarily institutional investors at 13.16%, followed by 0.21% insiders and 86.63% retail investors. The average institutional ownership in Passage Bio's industry, Biotech Stocks , is 384.55%, which Passage Bio falls below.

Who owns the most shares of Passage Bio?

Passage Bio’s largest shareholders are Vanguard group (126.64K shares, 4.00%), Renaissance (109.09K shares, 3.44%), and New leaf venture partners (87.43K shares, 2.76%). Together, they hold 10.20% 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.

Try Tickergate Pro Free

Customize Everything. 100% Flexibility. Fast and Easy to Use (No code or Excel Needed)

Customize your own personal stocks lists, views and charts
Choose from hundreds of fields, up to 15 years of history
Conduct deep comparison analysis

Discover trending investment themes
Find your next best investment
Research stocks using tools