SOUTH SAN FRANCISCO, CA
CYTOMX THERAPEUTICS, INC.CTMX— Latest position per institution from SEC 13F filings
15
Institutional holders
196.75M
Total shares held
715.05M
Estimated value
9.84M
Avg. position size
FMR LLC
CIK 315066
Shares
32.71M
Value
122.68M
Filed
Jun 30, 2026
KYNAM CAPITAL MANAGEMENT, LP
CIK 1907884
Shares
21.70M
Value
81.39M
Filed
Jun 30, 2026
BLACKROCK, INC.
CIK 2012383
Shares
17.56M
Value
65.85M
Filed
Jun 30, 2026
BANK OF AMERICA CORP /DE/
CIK 70858
Shares
15.08M
Value
56.56M
Filed
Jun 30, 2026
STATE STREET CORP
CIK 93751
Shares
11.75M
Value
44.05M
Filed
Jun 30, 2026
TANG CAPITAL MANAGEMENT LLC
CIK 1232621
Shares
11.07M
Value
35.30M
Filed
Sep 30, 2025
PERCEPTIVE ADVISORS LLC
CIK 1224962
Shares
10.44M
Value
39.15M
Filed
Jun 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
8.53M
Value
31.97M
Filed
Jun 30, 2026
VANGUARD GROUP INC
CIK 102909
Shares
8.48M
Value
36.11M
Filed
Dec 31, 2025
POINT72 ASSET MANAGEMENT, L.P.
CIK 1603466
Shares
7.81M
Value
29.29M
Filed
Jun 30, 2026
COMMODORE CAPITAL LP
CIK 1831942
Shares
7.69M
Value
32.77M
Filed
Dec 31, 2025
FRANKLIN RESOURCES INC
CIK 38777
Shares
5.77M
Value
13.10M
Filed
Jun 30, 2025
BVF INC/IL
CIK 1056807
Shares
5.23M
Value
3.32M
Filed
Mar 31, 2025
WELLINGTON MANAGEMENT GROUP LLP
CIK 902219
Shares
5.17M
Value
19.38M
Filed
Jun 30, 2026
VENROCK ADVISER, LLC
CIK 1615982
Shares
4.98M
Value
18.68M
Filed
Jun 30, 2026
BAKER BROS. ADVISORS LP
CIK 1263508
Shares
4.98M
Value
18.66M
Filed
Jun 30, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
4.68M
Value
17.55M
Filed
Jun 30, 2026
ELMIND CAPITAL, LP
CIK 2052213
Shares
4.55M
Value
17.06M
Filed
Jun 30, 2026
NEXTECH INVEST LTD.
CIK 1595430
Shares
4.45M
Value
16.69M
Filed
Jun 30, 2026
TWO SIGMA INVESTMENTS, LP
CIK 1179392
Shares
4.13M
Value
15.50M
Filed
Jun 30, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | FMR LLC | 315066 | 32.71M | 122.68M | Jun 30, 2026 |
| 2 | KYNAM CAPITAL MANAGEMENT, LP | 1907884 | 21.70M | 81.39M | Jun 30, 2026 |
| 3 | BLACKROCK, INC. | 2012383 | 17.56M | 65.85M | Jun 30, 2026 |
| 4 | BANK OF AMERICA CORP /DE/ | 70858 | 15.08M | 56.56M | Jun 30, 2026 |
| 5 | STATE STREET CORP | 93751 | 11.75M | 44.05M | Jun 30, 2026 |
| 6 | TANG CAPITAL MANAGEMENT LLC | 1232621 | 11.07M | 35.30M | Sep 30, 2025 |
| 7 | PERCEPTIVE ADVISORS LLC | 1224962 | 10.44M | 39.15M | Jun 30, 2026 |
| 8 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 8.53M | 31.97M | Jun 30, 2026 |
| 9 | VANGUARD GROUP INC | 102909 | 8.48M | 36.11M | Dec 31, 2025 |
| 10 | POINT72 ASSET MANAGEMENT, L.P. | 1603466 | 7.81M | 29.29M | Jun 30, 2026 |
| 11 | COMMODORE CAPITAL LP | 1831942 | 7.69M | 32.77M | Dec 31, 2025 |
| 12 | FRANKLIN RESOURCES INC | 38777 | 5.77M | 13.10M | Jun 30, 2025 |
| 13 | BVF INC/IL | 1056807 | 5.23M | 3.32M | Mar 31, 2025 |
| 14 | WELLINGTON MANAGEMENT GROUP LLP | 902219 | 5.17M | 19.38M | Jun 30, 2026 |
| 15 | VENROCK ADVISER, LLC | 1615982 | 4.98M | 18.68M | Jun 30, 2026 |
| 16 | BAKER BROS. ADVISORS LP | 1263508 | 4.98M | 18.66M | Jun 30, 2026 |
| 17 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 4.68M | 17.55M | Jun 30, 2026 |
| 18 | ELMIND CAPITAL, LP | 2052213 | 4.55M | 17.06M | Jun 30, 2026 |
| 19 | NEXTECH INVEST LTD. | 1595430 | 4.45M | 16.69M | Jun 30, 2026 |
| 20 | TWO SIGMA INVESTMENTS, LP | 1179392 | 4.13M | 15.50M | Jun 30, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.