Xencor Ownership | Who Owns Xencor?


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Xencor Ownership Summary


Xencor is owned by 110.56% institutional investors, 1.23% insiders. Blackrock is the largest institutional shareholder, holding 18.14% of XNCR shares. PRIMECAP Odyssey Aggressive Growth is the top mutual fund, with 8.89% of its assets in Xencor shares.

XNCR Ownership Benchmark


TypeName% Inst% Insiders% Retail
StockXencor110.56%1.23%-11.79%
SectorHealthcare Stocks 488.17%11.08%-399.26%
IndustryBiotech Stocks 306.59%11.10%-217.69%

Institutional Shareholders


Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Blackrock11.10M18.14%$210.18M
Blackrock funding, inc. /de11.86M15.96%$93.18M
Primecap management co/ca/10.53M14.17%$82.74M
Vanguard group8.02M12.52%$184.24M
Ecor1 capital6.14M9.60%$141.21M
Price t rowe associates inc /md/4.04M6.30%$92.76M
State street3.35M5.48%$63.46M
Bvf inc/il2.74M3.69%$21.54M
Tcg crossover management2.45M3.30%$19.27M
Rtw investments, lp2.40M3.23%$18.89M

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Ecor1 capital6.14M5.34%$141.21M
Tcg crossover management2.45M2.20%$19.27M
Johnson & johnson748.06K1.82%$6.09M
Logos global management lp1.25M1.09%$9.82M
Bvf inc/il2.74M0.77%$21.54M
Essex113.66K0.55%$2.61M
Birchview capital, lp70.00K0.55%$550.20K
Dcf advisers140.00K0.51%$1.10M
Braidwell lp1.66M0.45%$13.01M
Rtw investments, lp2.40M0.27%$18.89M

Top Buyers

HolderShares% AssetsChange
Logos global management lp1.25M1.09%1.25M
Ecor1 capital6.14M5.34%814.35K
Ubs group892.28K0.00%802.82K
Primecap management co/ca/10.53M0.07%766.31K
Nuveen asset management837.08K0.01%685.56K

Top Sellers

HolderShares% AssetsChange
Millennium management---1.41M
Darwin global management---1.11M
Loomis sayles & co l p---1.07M
Point72 asset management1.56K--1.02M
State street3.35M0.00%-883.07K

New Positions

HolderShares% AssetsChangeValue
Logos global management lp1.25M1.09%1.25M$9.82M
Walleye capital248.71K0.01%248.71K$1.95M
Norges bank147.82K0.00%147.82K$3.40M
Algert global132.04K0.02%132.04K$1.04M
Acadian asset management92.61K0.00%92.61K$726.00K

Sold Out

HolderChange
Ifp advisors-1.00
Dinuzzo private wealth-1.00
Capital performance advisors llp-3.00
Sjs investment consulting-4.00
Jfs wealth advisors-4.00

Institutional Ownership Trends


DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Jun 30, 2025188-5.05%82,120,87313.33%1101.14%11612.62%36-42.86%
Mar 31, 20251982.06%78,572,3734.86%1060.78%102-6.42%6323.53%
Dec 31, 2024180-14.69%68,955,988-4.08%1070.85%982.08%50-39.02%
Sep 30, 20242105.53%71,860,06013.42%1121.06%953.26%8220.59%
Jun 30, 2024197-2.48%63,352,912-1.53%1030.92%91-11.65%67-1.47%

Top Mutual Funds Shareholders


HolderShares% HoldingChange
PRIMECAP Odyssey Aggressive Growth6.32M8.89%383.87K
iShares Core S&P Small-Cap ETF4.27M5.98%760.00
PRIMECAP Odyssey Growth3.45M4.85%425.84K
Vanguard Total Stock Mkt Idx Inv2.20M3.09%-48.83K
Vanguard US Total Market Shares ETF2.17M3.08%217.00K
Vanguard Small Cap Index1.73M2.42%-10.85K
iShares Russell 2000 ETF1.67M2.34%-31.71K
T. Rowe Price New Horizons1.44M2.02%-7.17K
US Small-Cap Growth II Equity Comp1.44M2.02%-154.25K
SPDR® S&P Biotech ETF1.10M1.54%27.11K

Recent Insider Transactions


DateNameRoleActivityValue
Jun 16, 2025Montgomery Alan Bruce-Sell$20.42K
Jun 16, 2025GUSTAFSON KURT A-Sell$27.60K
Jun 16, 2025GORMAN KEVIN CHARLES-Sell$29.26K
Jun 16, 2025Feigal Ellen-Sell$27.60K
Jun 16, 2025RANIERI RICHARD J-Sell$27.60K

Insider Transactions Trends


DateBuySell
2025 Q3--
2025 Q2-7
2025 Q1-4
2024 Q4-5
2024 Q3-7

XNCR Ownership FAQ


Who Owns Xencor?

Xencor shareholders are primarily institutional investors at 110.56%, followed by 1.23% insiders and -11.79% retail investors. The average institutional ownership in Xencor's industry, Biotech Stocks , is 306.59%, 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 (11.86M shares, 15.96%), and Primecap management co/ca/ (10.53M shares, 14.17%). Together, they hold 48.27% 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?

Ecor1 capital is Xencor’s biggest shareholder by percentage of total assets invested, with 5.34% of its assets in 6.14M Xencor shares, valued at 141.21M$.

Who is the top mutual fund holder of Xencor shares?

PRIMECAP Odyssey Aggressive Growth is the top mutual fund holder of Xencor shares, with 8.89% of its total shares outstanding invested in 6.32M Xencor shares.

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