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FSLY icon

Cubist Systematic Strategies’s Fastly Inc FSLY Stock Holding History

Cubist Systematic Strategies’s Portfolio FSLY Stock Details FSLY Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q3 		$3.52M Sell
411,801
-536,852
-57% -$3.98M 0.02% 1207
2025
Q2 		$6.7M Buy
+948,653
New +$6.36M 0.03% 842
2024
Q3 		– Sell
-1,028,430
Closed -$7.14M – 3157
2024
Q2 		$7.58M Buy
+1,028,430
New +$10.1M 0.05% 553
2024
Q1 		– Sell
-58,884
Closed -$1.05M – 3906
2023
Q4 		$1.05M Buy
+58,884
New +$994K 0.01% 2024
2023
Q3 		– Sell
-57,797
Closed -$1.13M – 3537
2023
Q2 		$911K Sell
57,797
-76,074
-57% -$1.17M 0.01% 2011
2023
Q1 		$2.38M Sell
133,871
-232,075
-63% -$2.95M 0.01% 1536
2022
Q4 		$3M Sell
365,946
-137,963
-27% -$1.21M 0.02% 1475
2022
Q3 		$4.62M Sell
503,909
-335,516
-40% -$3.57M 0.03% 1151
2022
Q2 		$9.75M Buy
839,425
+119,344
+17% +$1.68M 0.06% 463
2022
Q1 		$12.5M Buy
720,081
+698,333
+3,211% +$16.3M 0.11% 201
2021
Q4 		$771K Sell
21,748
-621
-3% -$27K 0.01% 2127
2021
Q3 		$905K Buy
22,369
+5,152
+30% +$238K 0.01% 1598
2021
Q2 		$1.03M Sell
17,217
-23,473
-58% -$1.33M 0.01% 1556
2021
Q1 		$2.74M Buy
40,690
+21,381
+111% +$1.84M 0.04% 819
2020
Q4 		$1.69M Buy
19,309
+8,544
+79% +$753K 0.02% 1058
2020
Q3 		$1.01M Sell
10,765
-122
-1% -$10.6K 0.01% 1333
2020
Q2 		$927K Buy
+10,887
New +$429K 0.02% 1229
2019
Q4 		– Sell
-19,131
Closed -$459K – 2449
2019
Q3 		$459K Sell
19,131
-314
-2% -$7.4K 0.01% 1336
2019
Q2 		$394K Buy
+19,445
New +$401K 0.01% 1633

Other funds holding FSLY

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Legal & General Group
Legal & General Group London, United Kingdom $432B AUM 29.4% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
PCM
Penserra Capital Management Orinda, California $8.52B AUM 37.76% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
First Trust Advisors
First Trust Advisors Wheaton, Illinois $140B AUM 27.84% 1-Year Est. Return
Royal Bank of Canada
Royal Bank of Canada Toronto, Ontario, Canada $570B AUM 27.57% 1-Year Est. Return

Cubist Systematic Strategies's FSLY Position: Q3 2025 in Review

Cubist Systematic Strategies reduced its Fastly Inc (FSLY) stake by 57% in Q3 2025, selling an estimated $3.98M and leaving 411,801 shares worth $3.52M. The position accounts for 0.02% of the portfolio, ranked #1207.

Cubist Systematic Strategies first reported a position in FSLY in Q2 2019 and has held it in 19 quarters since. The position peaked at $12.5M in Q1 2022. 239 funds tracked by Wall St. Rank hold FSLY as of Q3 2025.

  • Cubist Systematic Strategies held 411,801 shares of Fastly Inc worth $3.52M as of Q3 2025.
  • Cubist Systematic Strategies sold 536,852 Fastly Inc shares in Q3 2025, an estimated $3.98M.
  • Fastly Inc made up 0.02% of Cubist Systematic Strategies's portfolio in Q3 2025, its #1207 holding.
  • Cubist Systematic Strategies first reported a position in Fastly Inc in Q2 2019 and has held it in 19 quarters since.
  • Cubist Systematic Strategies's Fastly Inc position peaked at $12.5M in Q1 2022.
  • 239 funds tracked by Wall St. Rank held Fastly Inc as of Q3 2025.

Based on Cubist Systematic Strategies's 13F filing for Q3 2025, filed 14 Nov 2025.