Vir Bio Ownership | Who Owns Vir Bio?

Overview Forecast RevenueFinancials Chart Transcripts

Vir Bio Ownership Summary

Vir Bio is owned by 12.93% institutional investors, 10.39% insiders, and 76.68% retail investors. Blackrock is the largest institutional shareholder, holding 12.15% of VIR shares. iShares Core S&P Small-Cap ETF is the top mutual fund, with 3.67% of its assets in Vir Bio shares.

VIR Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Vir Bio	12.93%	10.39%	76.68%
Sector	Healthcare Stocks	232.01%	10.74%	-142.75%
Industry	Biotech Stocks	381.47%	10.55%	-292.02%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Blackrock	16.43M	12.15%	$146.26M
Sb investment advisers (uk)	16.68M	12.05%	$95.27M
Blackrock funding, inc. /de	16.33M	11.75%	$98.47M
Arch venture management	12.92M	9.33%	$73.75M
Vanguard group	12.55M	9.03%	$75.67M
Gsk	8.55M	6.15%	$51.56M
State street	5.24M	3.79%	$29.93M
Fmr	3.64M	2.63%	$20.77M
Morgan stanley	2.68M	1.93%	$16.16M
Dimensional fund advisors lp	2.54M	1.83%	$15.29M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Bill & melinda gates foundation	1.56M	23.22%	$13.88M
Arch venture management	12.92M	14.98%	$73.75M
Gsk	8.55M	6.45%	$51.56M
Alta partners management	509.92K	2.97%	$3.07M
Superstring capital management lp	150.31K	0.85%	$858.28K
Sb investment advisers (uk)	16.68M	0.72%	$95.27M
Sio capital management	478.34K	0.69%	$2.73M
Connective capital management	75.47K	0.40%	$430.93K
Ikarian capital	593.37K	0.34%	$3.39M
Tejara capital	231.25K	0.33%	$1.39M

Top Buyers

Holder	Shares	% Assets	Change
Gsk	8.55M	6.45%	8.55M
Millennium management	1.72M	0.01%	610.37K
Hrt financial lp	591.65K	0.01%	414.86K
Blackrock funding, inc. /de	16.33M	0.00%	362.45K
Nuveen	565.54K	0.00%	360.06K

Top Sellers

Holder	Shares	% Assets	Change
Baillie gifford	-	-	-2.38M
Point72 asset management	-	-	-848.45K
Artisan partners limited partnership	-	-	-791.61K
Renaissance	614.46K	0.01%	-552.64K
Tang capital management	-	-	-500.00K

New Positions

Holder	Shares	% Assets	Change	Value
Gsk	8.55M	6.45%	8.55M	$51.56M
Superstring capital management lp	150.31K	0.85%	150.31K	$858.28K
Xtx topco	139.90K	0.04%	139.90K	$798.81K
Connective capital management	75.47K	0.40%	75.47K	$430.93K
Campbell & co investment adviser	59.78K	0.02%	59.78K	$360.50K

Sold Out

Holder	Change
Northwestern mutual wealth management	-5.00
Dinuzzo private wealth	-6.00
Mendota financial group	-6.00
Sjs investment consulting	-12.00
Nelson, van denburg & campbell wealth management group	-16.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Dec 31, 2025	62	-72.20%	17,963,701	-83.21%	12	0.22%	21	-76.14%	27	-66.25%
Sep 30, 2025	79	-64.73%	21,507,831	-80.60%	15	0.24%	31	-70.19%	36	-41.94%
Jun 30, 2025	221	-6.75%	110,948,270	19.67%	80	1.76%	102	-18.40%	62	-11.43%
Mar 31, 2025	238	8.18%	93,178,710	4.94%	67	1.61%	125	10.62%	70	1.45%
Dec 31, 2024	204	-0.49%	66,639,809	-23.94%	48	1.19%	106	8.16%	64	-5.88%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
iShares Core S&P Small-Cap ETF	5.77M	3.67%	14.93K
Scottish Mortgage Ord	3.80M	2.78%	-
Vanguard US Total Market Shares ETF	3.46M	2.52%	-
Vanguard Total Stock Mkt Idx Inv	3.50M	2.23%	-
Vanguard Small Cap Index	2.53M	1.61%	-3.10K
State Street® SPDR® S&P® Biotech ETF	2.29M	1.46%	-12.35K
iShares Russell 2000 ETF	2.13M	1.36%	571.70K
SPDR® S&P Biotech ETF	1.61M	1.16%	3.59K
FIAM Small Cap Core Composite	1.81M	1.15%	307.14K
FIAM Small Cap Core CIT Cl B	1.78M	1.13%	-28.35K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Mar 02, 2026	SATO VICKI L	-	Sell	$2.00K
Mar 02, 2026	SATO VICKI L	-	Sell	$207.19K
Feb 24, 2026	SATO VICKI L	-	Sell	$2.05K
Feb 24, 2026	SATO VICKI L	-	Sell	$411.31K
Feb 24, 2026	Sabatini Brent	SVP, Chief Accounting Officer	Sell	$13.63K

Insider Transactions Trends

Date	Buy	Sell
2026 Q1	-	19
2025 Q4	-	27
2025 Q3	-	5
2025 Q2	-	2
2025 Q1	-	9

VIR Ownership FAQ

Who Owns Vir Bio?

Vir Bio shareholders are primarily institutional investors at 12.93%, followed by 10.39% insiders and 76.68% retail investors. The average institutional ownership in Vir Bio's industry, Biotech Stocks , is 381.47%, which Vir Bio falls below.

Who owns the most shares of Vir Bio?

Vir Bio’s largest shareholders are Blackrock (16.43M shares, 12.15%), Sb investment advisers (uk) (16.68M shares, 12.05%), and Blackrock funding, inc. /de (16.33M shares, 11.75%). Together, they hold 35.95% of Vir Bio’s total shares outstanding.

Does Blackrock own Vir Bio?

Yes, BlackRock owns 12.15% of Vir Bio, totaling 16.43M shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 146.26M$. In the last quarter, BlackRock decreased its holdings by -129K shares, a -0.78% change.

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

Bill & melinda gates foundation is Vir Bio’s biggest shareholder by percentage of total assets invested, with 23.22% of its assets in 1.56M Vir Bio shares, valued at 13.88M$.

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

iShares Core S&P Small-Cap ETF is the top mutual fund holder of Vir Bio shares, with 3.67% of its total shares outstanding invested in 5.77M Vir Bio shares.

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