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 is the largest institutional shareholder, holding 18.14% of XNCR shares. PRIMECAP Odyssey Aggressive Growth is the top mutual fund, with 8.61% 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	35.74%	11.83%	52.43%
Industry	Biotech Stocks	36.05%	11.82%	52.13%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Blackrock	11.10M	18.14%	$210.18M
Blackrock funding, inc. /de	13.04M	17.56%	$157.21M
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	4.35M	5.86%	$52.49M
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	1.38%	$9.02M
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	0.33%	$1.25M
Corton capital	10.05K	0.29%	$117.91K

Top Buyers

Holder	Shares	% Assets	Change
Ra capital management	4.90M	0.63%	4.90M
Blackrock funding, inc. /de	13.04M	0.00%	1.11M
Nuveen asset management	837.08K	0.01%	685.56K
Two sigma investments, lp	805.42K	0.01%	536.68K
Vanguard fiduciary trust	471.08K	0.00%	471.08K

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
Weiss asset management lp	66.27K	0.01%	66.27K	$777.38K
Highvista strategies	53.05K	0.18%	53.05K	$639.72K

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	6.38M	8.61%	36.00K
iShares Core S&P Small-Cap ETF	4.36M	5.89%	1.13K
PRIMECAP Odyssey Growth	3.22M	4.34%	73.70K
Vanguard Total Stock Mkt Idx Inv	2.30M	3.11%	72.30K
Vanguard US Total Market Shares ETF	2.17M	3.08%	217.00K
iShares Russell 2000 ETF	1.65M	2.23%	13.96K
State Street® SPDR® S&P® Biotech ETF	1.59M	2.14%	-15.65K
US Small-Cap Growth II Equity Comp	1.44M	2.02%	-154.25K
T. Rowe Price New Horizons	1.15M	1.61%	-293.56K
SPDR® S&P Biotech ETF	1.10M	1.55%	2.46K

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 36.05%, which Xencor falls below.

Who owns the most shares of Xencor?

Xencor’s largest shareholders are Blackrock (11.1M shares, 18.14%), Blackrock funding, inc. /de (13.04M shares, 17.56%), and Primecap management co/ca/ (10.34M shares, 13.93%). Together, they hold 49.62% 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 8.61% of its total shares outstanding invested in 6.38M Xencor shares.

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