SAN FRANCISCO, CA
FASTLY, INC.FSLY— Latest position per institution from SEC 13F filings
15
Institutional holders
137.93M
Total shares held
2.12B
Estimated value
6.90M
Avg. position size
VANGUARD GROUP INC
CIK 102909
Shares
16.98M
Value
172.82M
Filed
Dec 31, 2025
BLACKROCK, INC.
CIK 2012383
Shares
15.22M
Value
279.49M
Filed
Jun 30, 2026
FMR LLC
CIK 315066
Shares
11.89M
Value
218.34M
Filed
Jun 30, 2026
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
11.84M
Value
87.29M
Filed
Jun 30, 2024
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
9.81M
Value
180.20M
Filed
Jun 30, 2026
CAPITAL WORLD INVESTORS
CIK 1422849
Shares
8.23M
Value
151.07M
Filed
Jun 30, 2026
FIRST TRUST ADVISORS LP
CIK 1125816
Shares
7.68M
Value
141.02M
Filed
Jun 30, 2026
D. E. SHAW & CO., INC.
CIK 1009207
Shares
6.62M
Value
121.48M
Filed
Jun 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
6.31M
Value
115.94M
Filed
Jun 30, 2026
TWO SIGMA INVESTMENTS, LP
CIK 1179392
Shares
6.06M
Value
111.31M
Filed
Jun 30, 2026
PENSERRA CAPITAL MANAGEMENT LLC
CIK 1593324
Shares
4.62M
Value
84.86K
Filed
Jun 30, 2026
LEGAL & GENERAL GROUP PLC
CIK 764068
Shares
4.37M
Value
80.08M
Filed
Jun 30, 2026
CITADEL ADVISORS LLC
CIK 1423053
Shares
4.17M
Value
76.59M
Filed
Jun 30, 2026
JANE STREET GROUP, LLC
CIK 1595888
Shares
4.01M
Value
73.66M
Filed
Jun 30, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
3.91M
Value
71.81M
Filed
Jun 30, 2026
STATE STREET CORP
CIK 93751
Shares
3.54M
Value
64.94M
Filed
Jun 30, 2026
UBS GROUP AG
CIK 1610520
Shares
3.50M
Value
64.18M
Filed
Jun 30, 2026
ALYESKA INVESTMENT GROUP, L.P.
CIK 1453072
Shares
3.17M
Value
58.12M
Filed
Jun 30, 2026
DIMENSIONAL FUND ADVISORS LP
CIK 354204
Shares
3.06M
Value
56.26M
Filed
Jun 30, 2026
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM
CIK 1081019
Shares
2.93M
Value
159.73K
Filed
Jun 30, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | VANGUARD GROUP INC | 102909 | 16.98M | 172.82M | Dec 31, 2025 |
| 2 | BLACKROCK, INC. | 2012383 | 15.22M | 279.49M | Jun 30, 2026 |
| 3 | FMR LLC | 315066 | 11.89M | 218.34M | Jun 30, 2026 |
| 4 | BLACKROCK FINANCE, INC. | 1364742 | 11.84M | 87.29M | Jun 30, 2024 |
| 5 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 9.81M | 180.20M | Jun 30, 2026 |
| 6 | CAPITAL WORLD INVESTORS | 1422849 | 8.23M | 151.07M | Jun 30, 2026 |
| 7 | FIRST TRUST ADVISORS LP | 1125816 | 7.68M | 141.02M | Jun 30, 2026 |
| 8 | D. E. SHAW & CO., INC. | 1009207 | 6.62M | 121.48M | Jun 30, 2026 |
| 9 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 6.31M | 115.94M | Jun 30, 2026 |
| 10 | TWO SIGMA INVESTMENTS, LP | 1179392 | 6.06M | 111.31M | Jun 30, 2026 |
| 11 | PENSERRA CAPITAL MANAGEMENT LLC | 1593324 | 4.62M | 84.86K | Jun 30, 2026 |
| 12 | LEGAL & GENERAL GROUP PLC | 764068 | 4.37M | 80.08M | Jun 30, 2026 |
| 13 | CITADEL ADVISORS LLC | 1423053 | 4.17M | 76.59M | Jun 30, 2026 |
| 14 | JANE STREET GROUP, LLC | 1595888 | 4.01M | 73.66M | Jun 30, 2026 |
| 15 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 3.91M | 71.81M | Jun 30, 2026 |
| 16 | STATE STREET CORP | 93751 | 3.54M | 64.94M | Jun 30, 2026 |
| 17 | UBS GROUP AG | 1610520 | 3.50M | 64.18M | Jun 30, 2026 |
| 18 | ALYESKA INVESTMENT GROUP, L.P. | 1453072 | 3.17M | 58.12M | Jun 30, 2026 |
| 19 | DIMENSIONAL FUND ADVISORS LP | 354204 | 3.06M | 56.26M | Jun 30, 2026 |
| 20 | CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | 1081019 | 2.93M | 159.73K | Jun 30, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.