Security Snapshot

Xencor Inc - Common Stock (XNCR) Institutional Ownership

CUSIP: 98401F105

13F Institutional Holders and Ownership History from Q1 2014 to Q3 2026

13F reference period

Q2 2026

Institutions Reporting

207

Shares (Excl. Options)

84.16MFull value: 84,160,729 · shares · 30 Jun 2026

Price

$16.10

The headline uses the Q2 2026 reference period after its reporting deadline. Available reports may still be incomplete or amended. Newer periods in the history table contain incoming reports and may be incomplete.

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Security type / class
Equity / Common Stock
Symbol
XNCR on Nasdaq
All holders as of 30 Jun 2026
Q2 2026
Total 13F shares
84,160,729
Latest holder snapshot 5 signals
Total 13F value
$1,356,303,244
Portfolio coverage rank
0%
Share change
-316,012
Value change
+$8,794,458
Number of holders
207
Issuer context Names, identifiers, and filing context for this profile. 3 identity fields
Shares outstanding
74,595,979
SEC-reported price per share
$24.95
Insider filing price
$24.95
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Filing notes and source

Key facts

  • XNCR - Xencor Inc - Common Stock is tracked under CUSIP 98401F105.
  • 207 institutions reported positions in Q2 2026.
  • 9 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 203 to 207 between Q1 2026 and Q2 2026.
  • SEC-reported value moved from
    $1.02BFull value: $1,018,821,122 · USD · 31 Mar 2026
    to
    $1.36BFull value: $1,356,303,244 · USD · 30 Jun 2026
    .

Research use

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Evidence

Source: SEC Form 13F

Latest holder context comes from 207 institutions filings for Q2 2026.

Open SEC evidence

Security key

98401F105

13F reference period

Q2 2026

13F holders

207

13D/G owners

9

CIK / CUSIP context first

Open Q2 2026 holders XNCR full holder history Xencor Inc SEC filings Xencor Inc company facts Xencor Inc insider transactions

Broader feeds

Latest 13F filings Latest 13D/G filings All securities

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows
9
Security
XNCR
Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
BlackRock, Inc. 14% -8.1% $269,869,604 -$7,826,690 10,816,417 -2.8% BlackRock, Inc. 30 Sep 2026
PRIMECAP MANAGEMENT CO/CA/ 15% $98,219,914 10,527,322 PRIMECAP MANAGEMENT CO/CA/ 30 Jun 2025
BIOTECHNOLOGY VALUE FUND L P 10% +50% $109,217,253 +$38,495,142 7,133,720 +54% BVF PARTNERS L P/IL 31 Dec 2025
RTW INVESTMENTS, LP 8.7% $72,972,963 6,221,054 RTW Investments, LP 30 Sep 2025
RA CAPITAL MANAGEMENT, L.P. 6.5% $58,261,890 4,736,739 RA Capital Management, L.P. 23 Mar 2026
STATE STREET CORP 6.3% +22% $69,006,059 +$12,608,382 4,507,254 +22% STATE STREET CORPORATION 31 Dec 2025
VANGUARD CAPITAL MANAGEMENT LLC 5.1% $60,401,545 3,810,823 Vanguard Capital Management 30 Jun 2026
EcoR1 Capital, LLC 2.9% -58% $26,348,810 -$29,655,990 2,183,000 -53% EcoR1 Capital, LLC 31 Mar 2026
PRICE T ROWE ASSOCIATES INC /MD/ 2.4% $19,862,315 1,693,292 T. Rowe Price Associates, Inc. 30 Sep 2025
As of 30 Jun 2026, 207 institutional investors reported holding
84.16MFull value: 84,160,729 · shares · 30 Jun 2026
shares of Xencor Inc - Common Stock (XNCR). This represents 113% of the company’s total
74.6MFull value: 74,595,979 · shares · Stored outstanding share count
outstanding shares.

13F concentration

Top 25 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share
98%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
BlackRock, Inc. 18% 13,651,261 +4.7% 0% $219,785,304
PRIMECAP MANAGEMENT CO/CA/ 14% 10,181,322 -1.5% 0.1% $163,919,285
BVF INC/IL 9.6% 7,133,720 0% 2.9% $114,852,892
RTW INVESTMENTS, LP 9.1% 6,777,461 0% 0.93% $109,117,122
RA CAPITAL MANAGEMENT, L.P. 7.1% 5,274,274 +7.7% 0.74% $84,915,811
STATE STREET CORP 6.6% 4,954,016 +14% 0% $79,759,658
VANGUARD CAPITAL MANAGEMENT LLC 4.4% 3,278,802 +5.7% 0% $52,788,712
TCG Crossover Management, LLC 3.3% 2,452,138 0% 0.95% $39,479,422
PRICE T ROWE ASSOCIATES INC /MD/ 3.2% 2,356,409 +51% 0% $37,939,000
VANGUARD PORTFOLIO MANAGEMENT LLC 3% 2,215,690 -37% 0% $35,672,609
GEODE CAPITAL MANAGEMENT, LLC 2.6% 1,920,859 +5.8% 0% $30,933,108
MORGAN STANLEY 2.3% 1,752,556 +12% 0% $28,216,158
UBS Group AG 1.8% 1,306,174 +21% 0% $21,029,402
BAKER BROS. ADVISORS LP 1.5% 1,102,106 0% 0.09% $17,743,907
Legal & General Group Plc 1.5% 1,091,177 +2.3% 0% $17,567,950
DIMENSIONAL FUND ADVISORS LP 1.4% 1,011,119 -22% 0% $16,276,007
GOLDMAN SACHS GROUP INC 1.3% 968,778 +27% 0% $15,597,326
MILLENNIUM MANAGEMENT LLC 1.1% 853,677 +40% 0.01% $13,744,200
TWO SIGMA INVESTMENTS, LP 1.1% 819,515 +1.7% 0.01% $13,194,192
NORTHERN TRUST CORP 1.1% 794,279 +6.7% 0% $12,787,893
JOHNSON & JOHNSON 1% 748,062 0% 1.5% $12,043,798
Jefferies Financial Group Inc. 0.97% 720,440 0% 0.11% $11,599,084
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.95% 707,242 +1.5% 0% $11,386,596
PANAGORA ASSET MANAGEMENT INC 0.91% 680,182 +9.6% 0.03% $10,950,930
Deep Track Capital, LP 0.8% 593,551 0.14% $9,556,171

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
51
Headline period
Q2 2026
Rows shown
1-25 of 51
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q3 1,273,846 $31,465,931 +$3,351,881 $24.95 41
2026 Q2 84,160,729 $1,356,303,244 +$8,794,458 $16.10 207
2026 Q1 84,505,999 $1,018,821,122 +$23,415,424 $12.06 203
2025 Q4 81,824,616 $1,252,503,323 -$15,445,404 $15.31 206
2025 Q3 81,931,427 $960,178,354 +$6,100,028 $11.73 204
2025 Q2 82,284,537 $646,977,988 +$20,020,454 $7.86 191
2025 Q1 78,656,178 $836,867,995 +$36,707,472 $10.64 197
2024 Q4 74,962,874 $1,722,861,698 +$74,554,042 $22.98 191
2024 Q3 72,099,278 $1,450,233,173 +$173,590,110 $20.11 209
2024 Q2 63,677,276 $1,205,414,340 -$28,620,202 $18.93 197
2024 Q1 64,955,561 $1,437,354,893 +$38,858,883 $22.13 200
2023 Q4 63,438,288 $1,346,794,541 +$2,946,816 $21.23 194
2023 Q3 63,240,815 $1,274,307,664 +$10,877,356 $20.15 175
2023 Q2 62,681,983 $1,566,006,651 -$23,444,287 $24.97 180
2023 Q1 63,583,668 $1,771,628,071 +$59,782,147 $27.89 183
2022 Q4 61,547,949 $1,602,582,831 +$19,403,618 $26.04 193
2022 Q3 60,849,265 $1,581,417,958 -$74,640,726 $25.98 174
2022 Q2 59,843,119 $1,638,192,397 +$20,569,513 $27.37 168
2022 Q1 59,286,835 $1,582,158,680 -$1,530,095 $26.68 169
2021 Q4 59,174,089 $2,372,958,496 +$30,709,697 $40.12 171
2021 Q3 58,120,007 $1,898,467,165 +$947,702 $32.66 165
2021 Q2 58,041,765 $2,001,234,431 -$24,285,884 $34.49 173
2021 Q1 58,525,232 $2,519,282,177 -$25,684,890 $43.06 167
2020 Q4 59,098,973 $2,579,349,505 +$122,069 $43.63 169
2020 Q3 59,168,606 $2,295,311,877 +$21,234,216 $38.79 157
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