FASTLY, INC.

PublicCIK: 1517413
FSLYNASDAQ
Location

SAN FRANCISCO, CA

13F Filings

Institutional Holders

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

1

VANGUARD GROUP INC

CIK 102909

Shares

16.98M

Value

172.82M

Filed

Dec 31, 2025

2

BLACKROCK, INC.

CIK 2012383

Shares

15.22M

Value

279.49M

Filed

Jun 30, 2026

3

FMR LLC

CIK 315066

Shares

11.89M

Value

218.34M

Filed

Jun 30, 2026

4

BLACKROCK FINANCE, INC.

CIK 1364742

Shares

11.84M

Value

87.29M

Filed

Jun 30, 2024

5

VANGUARD PORTFOLIO MANAGEMENT LLC

CIK 2100121

Shares

9.81M

Value

180.20M

Filed

Jun 30, 2026

6

CAPITAL WORLD INVESTORS

CIK 1422849

Shares

8.23M

Value

151.07M

Filed

Jun 30, 2026

7

FIRST TRUST ADVISORS LP

CIK 1125816

Shares

7.68M

Value

141.02M

Filed

Jun 30, 2026

8

D. E. SHAW & CO., INC.

CIK 1009207

Shares

6.62M

Value

121.48M

Filed

Jun 30, 2026

9

VANGUARD CAPITAL MANAGEMENT LLC

CIK 2100119

Shares

6.31M

Value

115.94M

Filed

Jun 30, 2026

10

TWO SIGMA INVESTMENTS, LP

CIK 1179392

Shares

6.06M

Value

111.31M

Filed

Jun 30, 2026

11

PENSERRA CAPITAL MANAGEMENT LLC

CIK 1593324

Shares

4.62M

Value

84.86K

Filed

Jun 30, 2026

12

LEGAL & GENERAL GROUP PLC

CIK 764068

Shares

4.37M

Value

80.08M

Filed

Jun 30, 2026

13

CITADEL ADVISORS LLC

CIK 1423053

Shares

4.17M

Value

76.59M

Filed

Jun 30, 2026

14

JANE STREET GROUP, LLC

CIK 1595888

Shares

4.01M

Value

73.66M

Filed

Jun 30, 2026

15

GEODE CAPITAL MANAGEMENT, LLC

CIK 1214717

Shares

3.91M

Value

71.81M

Filed

Jun 30, 2026

16

STATE STREET CORP

CIK 93751

Shares

3.54M

Value

64.94M

Filed

Jun 30, 2026

17

UBS GROUP AG

CIK 1610520

Shares

3.50M

Value

64.18M

Filed

Jun 30, 2026

18

ALYESKA INVESTMENT GROUP, L.P.

CIK 1453072

Shares

3.17M

Value

58.12M

Filed

Jun 30, 2026

19

DIMENSIONAL FUND ADVISORS LP

CIK 354204

Shares

3.06M

Value

56.26M

Filed

Jun 30, 2026

20

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM

CIK 1081019

Shares

2.93M

Value

159.73K

Filed

Jun 30, 2026

Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.