JY
FSLY icon

Jeff Yass’s Fastly Inc FSLY Stock Holding History

Jeff Yass’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
Q2 		$11.8M Buy
642,323
+554,253
+629% +$12M ﹤0.01% 3127
2026
Q1 		$2.56M Buy
88,070
+20,931
+31% +$344K ﹤0.01% 5612
2025
Q4 		$683K Sell
67,139
-397,079
-86% -$3.91M ﹤0.01% 8082
2025
Q3 		$3.97M Buy
464,218
+11,258
+2% +$83.4K ﹤0.01% 4487
2025
Q2 		$3.2M Buy
452,960
+70,077
+18% +$470K ﹤0.01% 4837
2025
Q1 		$2.42M Buy
382,883
+56,409
+17% +$471K ﹤0.01% 5110
2024
Q4 		$3.08M Buy
326,474
+152,892
+88% +$1.27M ﹤0.01% 4436
2024
Q3 		$1.31M Sell
173,582
-250,043
-59% -$1.74M ﹤0.01% 6209
2024
Q2 		$3.12M Buy
423,625
+11,096
+3% +$109K ﹤0.01% 4230
2024
Q1 		$5.35M Buy
412,529
+359,623
+680% +$6.08M ﹤0.01% 3532
2023
Q4 		$942K Buy
52,906
+27,367
+107% +$462K ﹤0.01% 7128
2023
Q3 		$490K Sell
25,539
-137,906
-84% -$2.69M ﹤0.01% 8273
2023
Q2 		$2.58M Sell
163,445
-80,827
-33% -$1.24M ﹤0.01% 4639
2023
Q1 		$4.34M Buy
244,272
+79,964
+49% +$1.02M ﹤0.01% 3662
2022
Q4 		$1.35M Sell
164,308
-265,733
-62% -$2.33M ﹤0.01% 5523
2022
Q3 		$3.94M Sell
430,041
-176,431
-29% -$1.88M ﹤0.01% 3543
2022
Q2 		$7.04M Sell
606,472
-669,044
-52% -$9.44M ﹤0.01% 2680
2022
Q1 		$22.2M Sell
1,275,516
-47,553
-4% -$1.11M ﹤0.01% 1628
2021
Q4 		$46.9M Sell
1,323,069
-865,678
-40% -$37.6M 0.01% 1144
2021
Q3 		$88.5M Sell
2,188,747
-682,940
-24% -$31.5M 0.01% 838
2021
Q2 		$171M Buy
2,871,687
+849,016
+42% +$48.2M 0.02% 571
2021
Q1 		$136M Buy
2,022,671
+1,315,809
+186% +$113M 0.02% 596
2020
Q4 		$61.8M Buy
706,862
+398,996
+130% +$35.2M 0.01% 893
2020
Q3 		$28.8M Sell
307,866
-67,914
-18% -$5.89M 0.01% 1193
2020
Q2 		$32M Buy
375,780
+255,642
+213% +$10.1M 0.01% 1081
2020
Q1 		$2.28M Buy
120,138
+17,576
+17% +$363K ﹤0.01% 3733
2019
Q4 		$2.06M Sell
102,562
-26,624
-21% -$561K ﹤0.01% 4275
2019
Q3 		$3.1M Buy
129,186
+25,767
+25% +$607K ﹤0.01% 3430
2019
Q2 		$2.1M Buy
+103,419
New +$2.13M ﹤0.01% 4076

Other funds holding FSLY

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
First Trust Advisors
First Trust Advisors Wheaton, Illinois $170B AUM 46.21% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
PCM
Penserra Capital Management Orinda, California $13B AUM 71.84% 1-Year Est. Return
Legal & General Group
Legal & General Group London, United Kingdom $480B AUM 42.84% 1-Year Est. Return

Jeff Yass's FSLY Position: Q2 2026 in Review

Jeff Yass increased its Fastly Inc (FSLY) stake by 629% in Q2 2026, buying an estimated $12M and bringing the position to 642,323 shares worth $11.8M. The position accounts for ﹤0.01% of the portfolio, ranked #3127.

Jeff Yass first reported a position in FSLY in Q2 2019 and has held it in 29 quarters since. The position peaked at $171M in Q2 2021. 281 funds tracked by Wall St. Rank hold FSLY as of Q2 2026.

  • Jeff Yass held 642,323 shares of Fastly Inc worth $11.8M as of Q2 2026.
  • Jeff Yass bought 554,253 Fastly Inc shares in Q2 2026, an estimated $12M.
  • Fastly Inc made up ﹤0.01% of Jeff Yass's portfolio in Q2 2026, its #3127 holding.
  • Jeff Yass first reported a position in Fastly Inc in Q2 2019 and has held it in 29 quarters since.
  • Jeff Yass's Fastly Inc position peaked at $171M in Q2 2021.
  • 281 funds tracked by Wall St. Rank held Fastly Inc as of Q2 2026.

Based on Susquehanna International Group's 13F filing for Q2 2026, filed 14 Aug 2026.