Jane Street
FSLY icon

Jane Street’s Fastly Inc FSLY Stock Holding History

Jane Street’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 		$14M Sell
763,600
-752,800
-50% -$16.4M ﹤0.01% 2465
2026
Q1 		$44.1M Buy
1,516,400
+1,485,000
+4,729% +$24.4M 0.01% 1148
2025
Q4 		$320K Buy
31,400
+3,400
+12% +$33.5K ﹤0.01% 8695
2025
Q3 		$239K Sell
28,000
-4,000
-13% -$29.6K ﹤0.01% 9336
2025
Q2 		$226K Sell
32,000
-28,000
-47% -$188K ﹤0.01% 8346
2025
Q1 		$380K Buy
60,000
+37,000
+161% +$309K ﹤0.01% 7391
2024
Q4 		$217K Buy
23,000
+12,600
+121% +$105K ﹤0.01% 8283
2024
Q3 		$78.7K Sell
10,400
-5,700
-35% -$39.6K ﹤0.01% 9073
2024
Q2 		$119K Sell
16,100
-43,100
-73% -$422K ﹤0.01% 8667
2024
Q1 		$768K Sell
59,200
-11,200
-16% -$189K ﹤0.01% 5896
2023
Q4 		$1.25M Sell
70,400
-1,300
-2% -$21.9K ﹤0.01% 5162
2023
Q3 		$1.37M Sell
71,700
-24,900
-26% -$486K ﹤0.01% 4674
2023
Q2 		$1.52M Buy
96,600
+82,300
+576% +$1.26M ﹤0.01% 4574
2023
Q1 		$254K Sell
14,300
-28,000
-66% -$356K ﹤0.01% 7460
2022
Q4 		$346K Sell
42,300
-41,100
-49% -$360K ﹤0.01% 6770
2022
Q3 		$764K Sell
83,400
-279,300
-77% -$2.97M ﹤0.01% 5918
2022
Q2 		$4.21M Sell
362,700
-164,500
-31% -$2.32M ﹤0.01% 2922
2022
Q1 		$9.16M Buy
527,200
+83,700
+19% +$1.95M ﹤0.01% 2107
2021
Q4 		$15.7M Sell
443,500
-103,100
-19% -$4.48M 0.01% 1398
2021
Q3 		$22.1M Sell
546,600
-300,200
-35% -$13.9M 0.01% 1069
2021
Q2 		$50.5M Sell
846,800
-156,800
-16% -$8.91M 0.02% 549
2021
Q1 		$67.5M Buy
1,003,600
+51,300
+5% +$4.41M 0.03% 387
2020
Q4 		$83.2M Buy
952,300
+403,200
+73% +$35.5M 0.04% 295
2020
Q3 		$51.4M Buy
549,100
+56,400
+11% +$4.89M 0.03% 380
2020
Q2 		$41.9M Buy
492,700
+461,300
+1,469% +$18.2M 0.03% 413
2020
Q1 		$596K Sell
31,400
-49,100
-61% -$1.01M ﹤0.01% 3435
2019
Q4 		$1.62M Buy
+80,500
New +$1.7M ﹤0.01% 2191

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

Jane Street's FSLY Position: Q2 2026 in Review

Jane Street increased its Fastly Inc (FSLY) stake by 2.3% in Q2 2026, buying an estimated $1.27M and bringing the position to 2,599,187 shares worth $47.7M. The position accounts for ﹤0.01% of the portfolio, ranked #1466.

Jane Street first reported a position in FSLY in Q2 2019 and has held it in 28 quarters since. The position peaked at $73.8M in Q1 2026. 283 funds tracked by Wall St. Rank hold FSLY as of Q2 2026.

  • Jane Street held 2,599,187 shares of Fastly Inc worth $47.7M as of Q2 2026.
  • Jane Street bought 58,527 Fastly Inc shares in Q2 2026, an estimated $1.27M.
  • Fastly Inc made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #1466 holding.
  • Jane Street first reported a position in Fastly Inc in Q2 2019 and has held it in 28 quarters since.
  • Jane Street's Fastly Inc position peaked at $73.8M in Q1 2026.
  • 283 funds tracked by Wall St. Rank held Fastly Inc as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.