PASADENA, CA
XENCOR INCXNCR— Latest position per institution from SEC 13F filings
15
Institutional holders
88.83M
Total shares held
1.38B
Estimated value
4.44M
Avg. position size
BLACKROCK, INC.
CIK 2012383
Shares
13.65M
Value
219.79M
Filed
Jun 30, 2026
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
11.10M
Value
210.18M
Filed
Jun 30, 2024
PRIMECAP MANAGEMENT CO/CA/
CIK 763212
Shares
10.18M
Value
163.92M
Filed
Jun 30, 2026
VANGUARD GROUP INC
CIK 102909
Shares
7.17M
Value
109.70M
Filed
Dec 31, 2025
BVF INC/IL
CIK 1056807
Shares
7.13M
Value
114.85M
Filed
Jun 30, 2026
RTW INVESTMENTS, LP
CIK 1493215
Shares
6.78M
Value
109.12M
Filed
Jun 30, 2026
RA CAPITAL MANAGEMENT, L.P.
CIK 1346824
Shares
5.27M
Value
84.92M
Filed
Jun 30, 2026
STATE STREET CORP
CIK 93751
Shares
4.95M
Value
79.76M
Filed
Jun 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
3.28M
Value
52.79M
Filed
Jun 30, 2026
TCG CROSSOVER MANAGEMENT, LLC
CIK 1839948
Shares
2.45M
Value
39.48M
Filed
Jun 30, 2026
PRICE T ROWE ASSOCIATES INC /MD/
CIK 80255
Shares
2.36M
Value
37.94K
Filed
Jun 30, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
2.22M
Value
35.67M
Filed
Jun 30, 2026
ECOR1 CAPITAL, LLC
CIK 1587114
Shares
2.18M
Value
26.33M
Filed
Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
1.92M
Value
30.93M
Filed
Jun 30, 2026
MORGAN STANLEY
CIK 895421
Shares
1.75M
Value
28.22M
Filed
Jun 30, 2026
DEFILADE CAPITAL MANAGEMENT, L.P.
CIK 2088557
Shares
1.41M
Value
21.66M
Filed
Dec 31, 2025
T. ROWE PRICE INVESTMENT MANAGEMENT, INC.
CIK 1897612
Shares
1.35M
Value
28.69K
Filed
Dec 31, 2023
UBS GROUP AG
CIK 1610520
Shares
1.31M
Value
21.03M
Filed
Jun 30, 2026
LOGOS GLOBAL MANAGEMENT LP
CIK 1792126
Shares
1.25M
Value
9.82M
Filed
Jun 30, 2025
DARWIN GLOBAL MANAGEMENT, LTD.
CIK 1839209
Shares
1.11M
Value
24.56M
Filed
Mar 31, 2024
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | BLACKROCK, INC. | 2012383 | 13.65M | 219.79M | Jun 30, 2026 |
| 2 | BLACKROCK FINANCE, INC. | 1364742 | 11.10M | 210.18M | Jun 30, 2024 |
| 3 | PRIMECAP MANAGEMENT CO/CA/ | 763212 | 10.18M | 163.92M | Jun 30, 2026 |
| 4 | VANGUARD GROUP INC | 102909 | 7.17M | 109.70M | Dec 31, 2025 |
| 5 | BVF INC/IL | 1056807 | 7.13M | 114.85M | Jun 30, 2026 |
| 6 | RTW INVESTMENTS, LP | 1493215 | 6.78M | 109.12M | Jun 30, 2026 |
| 7 | RA CAPITAL MANAGEMENT, L.P. | 1346824 | 5.27M | 84.92M | Jun 30, 2026 |
| 8 | STATE STREET CORP | 93751 | 4.95M | 79.76M | Jun 30, 2026 |
| 9 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 3.28M | 52.79M | Jun 30, 2026 |
| 10 | TCG CROSSOVER MANAGEMENT, LLC | 1839948 | 2.45M | 39.48M | Jun 30, 2026 |
| 11 | PRICE T ROWE ASSOCIATES INC /MD/ | 80255 | 2.36M | 37.94K | Jun 30, 2026 |
| 12 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 2.22M | 35.67M | Jun 30, 2026 |
| 13 | ECOR1 CAPITAL, LLC | 1587114 | 2.18M | 26.33M | Mar 31, 2026 |
| 14 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 1.92M | 30.93M | Jun 30, 2026 |
| 15 | MORGAN STANLEY | 895421 | 1.75M | 28.22M | Jun 30, 2026 |
| 16 | DEFILADE CAPITAL MANAGEMENT, L.P. | 2088557 | 1.41M | 21.66M | Dec 31, 2025 |
| 17 | T. ROWE PRICE INVESTMENT MANAGEMENT, INC. | 1897612 | 1.35M | 28.69K | Dec 31, 2023 |
| 18 | UBS GROUP AG | 1610520 | 1.31M | 21.03M | Jun 30, 2026 |
| 19 | LOGOS GLOBAL MANAGEMENT LP | 1792126 | 1.25M | 9.82M | Jun 30, 2025 |
| 20 | DARWIN GLOBAL MANAGEMENT, LTD. | 1839209 | 1.11M | 24.56M | Mar 31, 2024 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.