Vir Bio Ownership | Who Owns Vir Bio?

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Vir Bio Ownership Summary

Vir Bio is owned by 15.54% institutional investors, 10.44% insiders, and 74.02% 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 3.97% of its assets in Vir Bio shares.

VIR Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Vir Bio	15.54%	10.44%	74.02%
Sector	Healthcare Stocks	42.54%	10.83%	46.63%
Industry	Biotech Stocks	45.22%	10.75%	44.04%

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	15.97M	11.53%	$91.18M
Arch venture management	12.92M	9.33%	$73.75M
Vanguard group	12.80M	9.24%	$73.08M
State street	5.24M	3.79%	$29.93M
Fmr	3.64M	2.63%	$20.77M
Dimensional fund advisors lp	2.98M	2.15%	$17.01M
Morgan stanley	2.69M	1.94%	$15.35M
Orbimed advisors	2.38M	1.72%	$13.59M

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
Alta partners management	509.92K	4.85%	$2.91M
Superstring capital management lp	150.31K	0.85%	$858.28K
Tejara capital	256.94K	0.77%	$1.47M
Stonepine capital management	160.00K	0.74%	$913.60K
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
Eagle health investments lp	240.50K	0.36%	$1.37M

Top Buyers

Holder	Shares	% Assets	Change
Morgan stanley	2.69M	0.00%	1.06M
Millennium management	1.72M	0.01%	610.37K
Abrdn	1.53M	0.01%	519.37K
Two sigma investments, lp	649.30K	0.01%	279.69K
Panagora asset management	360.42K	0.01%	263.09K

Top Sellers

Holder	Shares	% Assets	Change
Baillie gifford	-	-	-2.38M
Point72 asset management	-	-	-848.45K
Artisan partners limited partnership	-	-	-791.61K
Tang capital management	-	-	-500.00K
Ikarian capital	593.37K	0.34%	-474.69K

New Positions

Holder	Shares	% Assets	Change	Value
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
Sender co & partners	43.17K	0.03%	43.17K	$246.53K
Atom investors lp	33.20K	0.01%	33.20K	$189.57K

Sold Out

Holder	Change
Northwestern mutual wealth management	-5.00
Mendota financial group	-6.00
Dinuzzo private wealth	-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 %
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%
Sep 30, 2024	204	-5.99%	87,613,923	-0.48%	64	1.54%	99	-11.61%	68	-2.86%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
iShares Core S&P Small-Cap ETF	5.52M	3.97%	-
Scottish Mortgage Ord	3.80M	2.78%	-
Vanguard Total Stock Mkt Idx Inv	3.51M	2.53%	-77.78K
Vanguard US Total Market Shares ETF	3.46M	2.52%	-
Vanguard Small Cap Index	2.68M	1.93%	-16.21K
iShares Russell 2000 ETF	2.17M	1.56%	-
SPDR® S&P Biotech ETF	1.61M	1.16%	3.59K
Vanguard Small Cap Growth Index Inv	1.50M	1.08%	-576.00
FIAM Small Cap Core CIT Cl B	1.50M	1.08%	1.18M
Vanguard Institutional Extnd Mkt Idx Tr	1.02M	0.74%	-442.82K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Dec 01, 2025	SVF Endurance (Cayman) Ltd	-	Sell	$1.15M
Dec 01, 2025	SATO VICKI L	-	Sell	$132.07K
Nov 28, 2025	SVF Endurance (Cayman) Ltd	-	Sell	$396.01K
Nov 26, 2025	SVF Endurance (Cayman) Ltd	-	Sell	$817.65K
Nov 24, 2025	SVF Endurance (Cayman) Ltd	-	Sell	$1.40M

Insider Transactions Trends

Date	Buy	Sell
2025 Q4	-	27
2025 Q3	-	5
2025 Q2	-	2
2025 Q1	-	9
2024 Q4	-	4

VIR Ownership FAQ

Who Owns Vir Bio?

Vir Bio shareholders are primarily institutional investors at 15.54%, followed by 10.44% insiders and 74.02% retail investors. The average institutional ownership in Vir Bio's industry, Biotech Stocks , is 45.22%, 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 (15.97M shares, 11.53%). Together, they hold 35.73% 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 3.97% of its total shares outstanding invested in 5.52M Vir Bio shares.

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