Xencor Ownership | Who Owns Xencor?

Overview Forecast RevenueFinancials Chart

Xencor Ownership Summary

Xencor is owned by 34.37% institutional investors, 1.18% insiders, and 64.45% retail investors. Blackrock funding, inc. /de is the largest institutional shareholder, holding 18.14% of XNCR shares. PRIMECAP Odyssey Aggressive Growth is the top mutual fund, with 8.56% of its assets in Xencor shares.

XNCR Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Xencor	34.37%	1.18%	64.45%
Sector	Healthcare Stocks	35.56%	12.08%	52.36%
Industry	Biotech Stocks	35.43%	12.01%	52.56%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Blackrock funding, inc. /de	13.65M	18.14%	$219.79M
Blackrock	11.10M	18.14%	$210.18M
Primecap management co/ca/	10.34M	13.93%	$124.68M
Vanguard group	7.17M	9.63%	$109.70M
Bvf inc/il	7.13M	9.61%	$86.03M
Rtw investments, lp	6.78M	9.13%	$81.74M
Ra capital management	4.90M	6.60%	$59.06M
State street	4.95M	6.58%	$79.76M
Tcg crossover management	2.45M	3.30%	$29.57M
Ecor1 capital	2.18M	2.94%	$26.33M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Bvf inc/il	7.13M	2.74%	$86.03M
Velan capital investment management lp	250.00K	1.89%	$3.02M
Johnson & johnson	748.06K	1.51%	$12.04M
Ecor1 capital	2.18M	1.12%	$26.33M
Lynx1 capital management lp	536.40K	1.02%	$6.47M
Tcg crossover management	2.45M	0.85%	$29.57M
Rtw investments, lp	6.78M	0.81%	$81.74M
Ra capital management	4.90M	0.63%	$59.06M
Dcf advisers	103.74K	0.30%	$1.67M
Corton capital	10.05K	0.29%	$117.91K

Top Buyers

Holder	Shares	% Assets	Change
Ra capital management	4.90M	0.63%	4.90M
Nuveen asset management	837.08K	0.01%	685.56K
Blackrock funding, inc. /de	13.65M	0.00%	615.34K
State street	4.95M	0.00%	601.98K
Two sigma investments, lp	805.42K	0.01%	536.68K

Top Sellers

Holder	Shares	% Assets	Change
Logos global management lp	-	-	-1.25M
Darwin global management	-	-	-1.11M
Loomis sayles & co l p	-	-	-1.07M
Ecor1 capital	2.18M	1.12%	-1.07M
Finepoint capital lp	-	-	-642.20K

New Positions

Holder	Shares	% Assets	Change	Value
Ra capital management	4.90M	0.63%	4.90M	$59.06M
Vanguard fiduciary trust	471.08K	0.00%	471.08K	$5.68M
Velan capital investment management lp	250.00K	1.89%	250.00K	$3.02M
Kornitzer capital management inc /ks	151.41K	0.05%	151.41K	$2.44M
Weiss asset management lp	66.27K	0.01%	66.27K	$777.38K

Sold Out

Holder	Change
Sbi securities	-1.00
Dunhill financial	-1.00
Larson financial group	-1.00
Dinuzzo private wealth	-1.00
Capital performance advisors llp	-3.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Mar 31, 2026	95	-53.66%	25,516,522	-68.83%	34	0.28%	41	-54.95%	31	-60.76%
Dec 31, 2025	154	-25.24%	64,286,538	-21.64%	86	0.71%	66	-27.47%	60	-25.93%
Sep 30, 2025	198	3.66%	81,948,489	-0.41%	110	0.90%	86	-27.73%	81	131.43%
Jun 30, 2025	188	-5.05%	82,120,873	13.33%	110	1.14%	116	12.62%	36	-42.86%
Mar 31, 2025	198	2.06%	78,572,373	4.86%	106	0.78%	102	-6.42%	63	23.53%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
PRIMECAP Odyssey Aggressive Growth	6.36M	8.56%	-15.00K
iShares Core S&P Small-Cap ETF	4.52M	6.07%	3.10K
PRIMECAP Odyssey Growth	3.13M	4.21%	-84.00K
Vanguard Morn Total Stk Mkt Idx Investor	2.34M	3.16%	37.80K
Vanguard Total Stock Mkt Idx Inv	2.34M	3.16%	37.80K
Vanguard US Total Market Shares ETF	2.17M	3.08%	217.00K
State Street® SPDR® S&P® Biotech ETF	1.91M	2.57%	4.39K
iShares Russell 2000 ETF	1.78M	2.39%	-31.58K
SPDR® S&P Biotech ETF	1.10M	1.55%	2.46K
Vanguard Institutional Extnd Mkt Idx Tr	860.51K	1.16%	54.79K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Jun 18, 2026	Feigal Ellen	-	Sell	$89.37K
Jun 15, 2026	GORMAN KEVIN CHARLES	-	Sell	$92.66K
Jun 15, 2026	GUSTAFSON KURT A	-	Sell	$67.38K
Jun 15, 2026	RANIERI RICHARD J	-	Sell	$67.38K
Jun 15, 2026	Montgomery Alan Bruce	-	Sell	$62.34K

Insider Transactions Trends

Date	Buy	Sell
2026 Q2	-	5
2026 Q1	-	10
2025 Q4	-	2
2025 Q3	-	-
2025 Q2	-	7

XNCR Ownership FAQ

Who Owns Xencor?

Xencor shareholders are primarily institutional investors at 34.37%, followed by 1.18% insiders and 64.45% retail investors. The average institutional ownership in Xencor's industry, Biotech Stocks , is 35.43%, which Xencor falls below.

Who owns the most shares of Xencor?

Xencor’s largest shareholders are Blackrock funding, inc. /de (13.65M shares, 18.14%), Blackrock (11.1M shares, 18.14%), and Primecap management co/ca/ (10.34M shares, 13.93%). Together, they hold 50.21% of Xencor’s total shares outstanding.

Does Blackrock own Xencor?

Yes, BlackRock owns 18.14% of Xencor, totaling 11.1M shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 210.18M$. In the last quarter, BlackRock increased its holdings by 48.55K shares, a 0.44% change.

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

Bvf inc/il is Xencor’s biggest shareholder by percentage of total assets invested, with 2.74% of its assets in 7.13M Xencor shares, valued at 86.03M$.

Who is the top mutual fund holder of Xencor shares?

PRIMECAP Odyssey Aggressive Growth is the top mutual fund holder of Xencor shares, with 8.56% of its total shares outstanding invested in 6.36M Xencor shares.

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