Xencor, Inc. (XNCR)
Nasdaq: XNCR · Pharmaceutical Preparations · Pasadena, CA · filing with the SEC since 2005
Who owns Xencor, Inc.
As filed with the SECHolders of 5% or more
7
Primecap Management Co/ca/ holds 14.8% of COM, as its SCHEDULE 13G/A filed Aug 14, 2025 says.
Directors and officers
12
report now, of 23 people on the record since 2013. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 7 named at left.
Holders of 5% or moreshare of the class, as filed
Primecap Management Co/ca/
Blackrock, Inc.
SCHEDULE 13G/A · filed Oct 27, 2026 · Common Stock · 15.8% in Apr 29, 2025
Bvf Partners L P/il
SCHEDULE 13G/A · filed Feb 17, 2026 · Common Stock, par value $0.01 per share · 6.5% in Oct 17, 2025
RTW Investments, LP
SCHEDULE 13G · filed Nov 14, 2025 · Common Stock, $0.01 par value
RA Capital Management, L.P.
SCHEDULE 13G · filed Mar 30, 2026 · Common Stock, par value $0.01 per share
State Street Corporation
SCHEDULE 13G · filed Feb 9, 2026 · COMMON STOCK · 5.2% in May 13, 2025
Vanguard Capital Management
SCHEDULE 13G · filed Jul 31, 2026 · Common Stock
EcoR1 Capital, LLC
SCHEDULE 13G/A · filed May 15, 2026 · Common Stock · reported falling below 5%, from 6.4% in Feb 17, 2026
T. Rowe Price Associates, Inc.
SCHEDULE 13G/A · filed Nov 14, 2025 · COMMON STOCK · reported falling below 5%
The Vanguard Group
SCHEDULE 13G/A · filed Mar 27, 2026 · Common Stock · reported falling below 5%, from 10% in Dec 3, 2025
What XNCR reports owning in othersstakes of 5% or more, and other ties
Xencor, Inc. reports no stake in another company in the record.
Insider tradesForm 4
21sales
0purchases
5sales on a scheduled plan
9people selling
$7.5Msold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Nov 12, 2025 to Nov 12, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Nov 12, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window9 of 24 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Ranieri Richard J | director | 3 | $3.3M | 1 | 0 | $0 |
| Dahiyat Bassil I | PRESIDENT & CEO | 4 | $2.1M | 0 | 0 | $0 |
| Desjarlais John R | SR. VICE PRESIDENT & CSO | 4 | $1.3M | 0 | 0 | $0 |
| Cornelissen Bart Jan | SR. VICE PRESIDENT & CFO | 3 | $500,000 | 0 | 0 | $0 |
| Eckert Celia | SVP, GENERAL COUNSEL | 3 | $100,000 | 0 | 0 | $0 |
| Feigal Ellen | director | 1 | $100,000 | 1 | 0 | $0 |
| Gorman Kevin Charles | director | 1 | $100,000 | 1 | 0 | $0 |
| Gustafson Kurt A | director | 1 | $100,000 | 1 | 0 | $0 |
| Montgomery Alan Bruce | director | 1 | $100,000 | 1 | 0 | $0 |