Xencor Inc (XNCR) Institutional Ownership

Institutions by Trading Activity

75,337,500Shares Outstanding

3,758Shares held by institutions

$52,199Value of institutional holdings

0.22%Institutional ownership %

44.71%Shares Changed QoQ

7No. of institutional investors

A total of 7 institutions have reported a stake in Xencor Inc (NASDAQ:XNCR) as of December 2025, according to recent 13F filings with the SEC.

These investors collectively held 0.2% of the company's total shares outstanding in December 2025, down from 108.9% in September 2025.
Institutional share ownership changed by 44.71% QoQ, while the number of institutional owners saw a decrease of 96.35% YoY.
During the quarter, 4 institutions bought more Xencor shares, 0 sold shares, and 3 of the 7 total investors held their position steady.
The total number of shares held by institutions in Xencor increased to 164.66K as of December 2025, a net change of up by 50.87K shares quarter on quarter, and down 74.69Mn shares year over year.
The top institutional stake in Xencor as of December 31, 2025 belongs to SG Americas Securities, LLC, which owns 128.34K shares, or 0.17% of the company.
Among the most significant buyers of Xencor during December 2025 were SG Americas Securities, LLC (37.84K), NorthCrest Asset Manangement, LLC (10.46K), Diversified Trust Co (2.24K), GAMMA Investing LLC (322).
The top 7 institutional holders of Xencor for the quarter ending December 2025 included SG Americas Securities, LLC (128.34K), Diversified Trust Co (18.44K), NorthCrest Asset Manangement, LLC (10.46K), GAMMA Investing LLC (3.65K), Versant Capital Management, Inc (3.42K), MassMutual Private Wealth & Trust, FSB (319), True Wealth Design, LLC (14).

3,758 Total Shares Held

Rows:

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	30 Sep, 2025	11,807,227	-48,027	-0.41%	$138,498,772.00
PRIMECAP MANAGEMENT CO/CA/	30 Sep, 2025	10,675,022	147,700	1.40%	$125,218,008.00
VANGUARD GROUP INC	30 Sep, 2025	7,103,758	-1,520,616	-17.63%	$83,327,080.00
RTW INVESTMENTS, LP	30 Sep, 2025	6,221,054	3,818,171	158.90%	$72,972,963.00
EcoR1 Capital, LLC	30 Sep, 2025	6,144,767	0	0.00%	$72,078,117.00
STATE STREET CORP	30 Sep, 2025	3,673,831	-143,779	-3.77%	$43,094,038.00
BVF INC/IL	30 Sep, 2025	2,740,141	0	0.00%	$32,141,854.00
TCG Crossover Management, LLC	30 Sep, 2025	2,452,138	0	0.00%	$28,763,579.00
GEODE CAPITAL MANAGEMENT, LLC	30 Sep, 2025	1,728,825	25,161	1.48%	$20,282,231.00
PRICE T ROWE ASSOCIATES INC /MD/	30 Sep, 2025	1,693,292	-2,066,892	-54.97%	$19,863.00
DIMENSIONAL FUND ADVISORS LP	30 Sep, 2025	1,588,963	-191,607	-10.76%	$18,637,575.00
Legal & General Group Plc	30 Sep, 2025	1,273,000	1,092,095	603.68%	$14,932,290.00
BRAIDWELL LP	30 Sep, 2025	1,246,280	-409,410	-24.73%	$14,618,864.00
UBS Group AG	30 Sep, 2025	1,175,267	399,071	51.41%	$13,785,882.00
BAKER BROS. ADVISORS LP	30 Sep, 2025	1,102,106	431,675	64.39%	$12,927,703.00
Nantahala Capital Management, LLC	30 Sep, 2025	1,100,000	279,897	34.13%	$12,903,000.00
GOLDMAN SACHS GROUP INC	30 Sep, 2025	1,017,453	301,061	42.02%	$11,934,724.00
MORGAN STANLEY	30 Sep, 2025	900,837	-124,561	-12.15%	$10,566,819.00
TWO SIGMA ADVISERS, LP	30 Sep, 2025	810,200	230,900	39.86%	$9,503,646.00
BANK OF AMERICA CORP /DE/	30 Sep, 2025	753,829	-185,164	-19.72%	$8,842,414.00

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