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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
2024
Q1 		– Sell
-23,500
Closed -$418K – 3907
2023
Q4 		$418K Sell
23,500
-19,900
-46% -$336K ﹤0.01% 2612
2023
Q3 		$832K Buy
43,400
+4,900
+13% +$95.6K 0.01% 2008
2023
Q2 		$607K Buy
38,500
+4,300
+13% +$65.9K ﹤0.01% 2273
2023
Q1 		$607K Buy
+34,200
New +$435K ﹤0.01% 2537

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.