Citadel Advisors’s Fastly Inc FSLY Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$13.4M Sell
460,314
-1,552,316
-77% -$25.5M ﹤0.01% 2840
2025
Q4
$20.5M Buy
2,012,630
+1,343,738
+201% +$13.2M ﹤0.01% 2307
2025
Q3
$5.72M Sell
668,892
-159,637
-19% -$1.18M ﹤0.01% 4119
2025
Q2
$5.85M Sell
828,529
-309,458
-27% -$2.07M ﹤0.01% 3844
2025
Q1
$7.2M Buy
1,137,987
+403,754
+55% +$3.37M ﹤0.01% 3325
2024
Q4
$6.93M Sell
734,233
-52,409
-7% -$435K ﹤0.01% 3459
2024
Q3
$5.95M Buy
786,642
+274,256
+54% +$1.9M ﹤0.01% 3669
2024
Q2
$3.78M Buy
512,386
+55,538
+12% +$544K ﹤0.01% 4192
2024
Q1
$5.93M Buy
456,848
+237,458
+108% +$4.01M ﹤0.01% 3676
2023
Q4
$3.91M Sell
219,390
-80,581
-27% -$1.36M ﹤0.01% 4163
2023
Q3
$5.75M Sell
299,971
-1,850,705
-86% -$36.1M ﹤0.01% 3436
2023
Q2
$33.9M Buy
2,150,676
+378,250
+21% +$5.79M 0.01% 1377
2023
Q1
$31.5M Buy
1,772,426
+272,949
+18% +$3.47M 0.01% 1491
2022
Q4
$12.3M Sell
1,499,477
-406,259
-21% -$3.56M ﹤0.01% 2538
2022
Q3
$17.5M Sell
1,905,736
-176,249
-8% -$1.88M ﹤0.01% 2028
2022
Q2
$24.2M Sell
2,081,985
-187,486
-8% -$2.64M 0.01% 1653
2022
Q1
$39.4M Buy
2,269,471
+780,362
+52% +$18.2M 0.01% 1304
2021
Q4
$52.8M Buy
1,489,109
+1,476,319
+11,543% +$64.2M 0.01% 1129
2021
Q3
$517K Sell
12,790
-1,722
-12% -$79.5K ﹤0.01% 9778
2021
Q2
$865K Sell
14,512
-697,190
-98% -$39.6M ﹤0.01% 8730
2021
Q1
$47.9M Buy
711,702
+524,731
+281% +$45.1M 0.01% 1081
2020
Q4
$16.3M Buy
186,971
+47,096
+34% +$4.15M ﹤0.01% 2031
2020
Q3
$13.1M Sell
139,875
-51,369
-27% -$4.46M ﹤0.01% 1984
2020
Q2
$16.3M Buy
191,244
+142,170
+290% +$5.6M 0.01% 1687
2020
Q1
$931K Sell
49,074
-349,093
-88% -$7.21M ﹤0.01% 5471
2019
Q4
$7.99M Buy
398,167
+374,962
+1,616% +$7.91M ﹤0.01% 2470
2019
Q3
$557K Sell
23,205
-160,941
-87% -$3.79M ﹤0.01% 6561
2019
Q2
$3.73M Buy
+184,146
New +$3.79M ﹤0.01% 3516

Other funds holding FSLY

Citadel Advisors's FSLY Position: Q1 2026 in Review

Citadel Advisors 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.

Citadel Advisors 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. 339 funds tracked by Wall St. Rank hold FSLY as of Q1 2026.

  • Citadel Advisors held 460,314 shares of Fastly Inc worth $13.4M as of Q1 2026.
  • Citadel Advisors sold 1,552,316 Fastly Inc shares in Q1 2026, an estimated $25.5M.
  • Fastly Inc made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #2840 holding.
  • Citadel Advisors first reported a position in Fastly Inc in Q2 2019 and has held it in 28 quarters since.
  • Citadel Advisors's Fastly Inc position peaked at $52.8M in Q4 2021.
  • 339 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.