13F Insight
DOSSIER · 13F Holders · Q2 2026Healthcare · Pharmaceutical Preparations
XNCR

XENCOR INC

216 institutions still hold XENCOR INC as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 98401F105·Pharmaceutical Preparations·216 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$1.1B
visible holders
Holders
216
filers reporting
Concentration
19.99%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q2 2026

216 institutions reported XNCR in Q2 2026. BlackRock, Inc. leads at 20.0% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$220M13.7M0.00%Q2 202602
PRIMECAP MANAGEMENT CO/CA/
CIK 0000763212
$164M10.2M0.10%Q2 202603
BVF INC/IL
CIK 0001056807
$109M7.1M3.68%Q4 202504
RTW INVESTMENTS, LP
CIK 0001493215
$109M6.8M0.93%Q2 202605
RA CAPITAL MANAGEMENT, L.P.
CIK 0001346824
$85M5.3M0.74%Q2 202606
STATE STREET CORP
CIK 0000093751
$80M5.0M0.00%Q2 202607
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$53M3.3M0.00%Q2 202608
TCG Crossover Management, LLC
CIK 0001839948
$39M2.5M0.95%Q2 202609
Vanguard Portfolio Management
CIK 0002100121· Index
$36M2.2M0.00%Q2 202610
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$31M1.9M0.00%Q2 202611
MORGAN STANLEY
CIK 0000895421
$28M1.8M0.00%Q2 202612
UBS Group AG
CIK 0001610520
$21M1.3M0.00%Q2 202613
PRICE T ROWE ASSOCIATES INC /MD/
CIK 0000080255
$19M1.6M0.00%Q1 202614
Legal & General Group Plc
CIK 0000764068
$18M1.1M0.00%Q2 202615
BAKER BROS. ADVISORS LP
CIK 0001263508
$17M1.1M0.10%Q4 202516
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$16M1.0M0.00%Q2 202617
GOLDMAN SACHS GROUP INC
CIK 0000886982
$16M969K0.00%Q2 202618
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$14M854K0.01%Q2 202619
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$13M820K0.01%Q2 202620
NORTHERN TRUST CORP
CIK 0000073124· Index
$13M794K0.00%Q2 2026
Page 1 of 11
196 more holders available. Log in →
Insiders at XENCOR INC
Feigal Ellen →Gorman Kevin Charles →Deshaies Raymond Joseph →Simpson Todd E →Ranieri Richard J →Montgomery Alan Bruce →Klencke Barbara →Gustafson Kurt A →