Ken Griffin
FSLY icon

Ken Griffin’s Fastly Inc FSLY Stock Holding History

Ken Griffin’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
2026
Q1 		$72.1M Buy
2,480,200
+2,159,100
+672% +$35.4M 0.01% 1054
2025
Q4 		$3.27M Sell
321,100
-51,100
-14% -$504K ﹤0.01% 5012
2025
Q3 		$3.18M Sell
372,200
-62,200
-14% -$461K ﹤0.01% 5203
2025
Q2 		$3.07M Sell
434,400
-279,700
-39% -$1.88M ﹤0.01% 4942
2025
Q1 		$4.52M Buy
714,100
+354,600
+99% +$2.96M ﹤0.01% 4042
2024
Q4 		$3.39M Buy
359,500
+25,600
+8% +$213K ﹤0.01% 4628
2024
Q3 		$2.53M Sell
333,900
-92,900
-22% -$645K ﹤0.01% 5079
2024
Q2 		$3.15M Sell
426,800
-484,000
-53% -$4.74M ﹤0.01% 4503
2024
Q1 		$11.8M Buy
910,800
+616,400
+209% +$10.4M ﹤0.01% 2721
2023
Q4 		$5.24M Buy
294,400
+5,400
+2% +$91.1K ﹤0.01% 3711
2023
Q3 		$5.54M Sell
289,000
-162,300
-36% -$3.17M ﹤0.01% 3504
2023
Q2 		$7.12M Sell
451,300
-6,700
-1% -$103K ﹤0.01% 3132
2023
Q1 		$8.13M Buy
458,000
+196,200
+75% +$2.49M ﹤0.01% 3081
2022
Q4 		$2.14M Buy
261,800
+21,400
+9% +$187K ﹤0.01% 5343
2022
Q3 		$2.2M Sell
240,400
-183,700
-43% -$1.96M ﹤0.01% 5408
2022
Q2 		$4.92M Sell
424,100
-311,600
-42% -$4.4M ﹤0.01% 3819
2022
Q1 		$12.8M Buy
735,700
+71,100
+11% +$1.66M ﹤0.01% 2582
2021
Q4 		$23.6M Sell
664,600
-265,600
-29% -$11.5M ﹤0.01% 1843
2021
Q3 		$37.6M Sell
930,200
-47,700
-5% -$2.2M 0.01% 1344
2021
Q2 		$58.3M Sell
977,900
-32,600
-3% -$1.85M 0.01% 1010
2021
Q1 		$68M Buy
1,010,500
+28,200
+3% +$2.42M 0.02% 802
2020
Q4 		$85.8M Buy
982,300
+434,100
+79% +$38.3M 0.02% 641
2020
Q3 		$51.4M Buy
548,200
+195,600
+55% +$17M 0.01% 841
2020
Q2 		$30M Buy
352,600
+139,900
+66% +$5.51M 0.01% 1176
2020
Q1 		$4.04M Sell
212,700
-2,800
-1% -$57.9K ﹤0.01% 3004
2019
Q4 		$4.33M Buy
215,500
+94,500
+78% +$1.99M ﹤0.01% 3258
2019
Q3 		$2.9M Buy
+121,000
New +$2.85M ﹤0.01% 3888

Other funds holding FSLY

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Legal & General Group
Legal & General Group London, United Kingdom $432B AUM 29.4% 1-Year Est. Return
First Trust Advisors
First Trust Advisors Wheaton, Illinois $170B AUM 46.21% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Two Sigma Investments
Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return
VOYA Investment Management
VOYA Investment Management Atlanta, Georgia $116B AUM 61.47% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Ken Griffin's FSLY Position: Q1 2026 in Review

Ken Griffin reduced its Fastly Inc (FSLY) stake by 77% in Q1 2026, selling an estimated $25.5M and leaving 460,314 shares worth $13.4M. The position accounts for ﹤0.01% of the portfolio, ranked #2840.

Ken Griffin first reported a position in FSLY in Q2 2019 and has held it in 28 quarters since. The position peaked at $52.8M in Q4 2021. 340 funds tracked by Wall St. Rank hold FSLY as of Q1 2026.

  • Ken Griffin held 460,314 shares of Fastly Inc worth $13.4M as of Q1 2026.
  • Ken Griffin sold 1,552,316 Fastly Inc shares in Q1 2026, an estimated $25.5M.
  • Fastly Inc made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #2840 holding.
  • Ken Griffin first reported a position in Fastly Inc in Q2 2019 and has held it in 28 quarters since.
  • Ken Griffin's Fastly Inc position peaked at $52.8M in Q4 2021.
  • 340 funds tracked by Wall St. Rank held Fastly Inc as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.