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 		$47.7M Buy
2,599,187
+58,527
+2% +$1.27M ﹤0.01% 1466
2026
Q1 		$73.8M Buy
2,540,660
+2,479,297
+4,040% +$40.7M 0.01% 801
2025
Q4 		$625K Sell
61,363
-18,752
-23% -$185K ﹤0.01% 7192
2025
Q3 		$685K Sell
80,115
-727,427
-90% -$5.39M ﹤0.01% 7149
2025
Q2 		$5.7M Buy
+807,542
New +$5.41M ﹤0.01% 2829
2025
Q1 		– Sell
-582,182
Closed -$4.86M – 9784
2024
Q4 		$5.5M Buy
582,182
+452,761
+350% +$3.76M ﹤0.01% 2538
2024
Q3 		$980K Sell
129,421
-149,701
-54% -$1.04M ﹤0.01% 5929
2024
Q2 		$2.06M Buy
279,122
+48,718
+21% +$477K ﹤0.01% 4421
2024
Q1 		$2.99M Sell
230,404
-77,386
-25% -$1.31M ﹤0.01% 3412
2023
Q4 		$5.48M Buy
307,790
+265,637
+630% +$4.48M ﹤0.01% 2720
2023
Q3 		$808K Sell
42,153
-120,830
-74% -$2.36M ﹤0.01% 5511
2023
Q2 		$2.57M Buy
162,983
+85,493
+110% +$1.31M ﹤0.01% 3766
2023
Q1 		$1.38M Sell
77,490
-178,310
-70% -$2.27M ﹤0.01% 4440
2022
Q4 		$2.1M Buy
255,800
+180,374
+239% +$1.58M ﹤0.01% 3798
2022
Q3 		$691K Sell
75,426
-330,956
-81% -$3.52M ﹤0.01% 6085
2022
Q2 		$4.72M Buy
406,382
+58,921
+17% +$831K ﹤0.01% 2745
2022
Q1 		$6.04M Sell
347,461
-53,500
-13% -$1.25M ﹤0.01% 2718
2021
Q4 		$14.2M Buy
400,961
+58,558
+17% +$2.55M ﹤0.01% 1497
2021
Q3 		$13.8M Buy
342,403
+141,318
+70% +$6.52M ﹤0.01% 1430
2021
Q2 		$12M Sell
201,085
-166,625
-45% -$9.47M ﹤0.01% 1520
2021
Q1 		$24.7M Sell
367,710
-288,291
-44% -$24.8M 0.01% 825
2020
Q4 		$57.3M Buy
656,001
+74,803
+13% +$6.59M 0.03% 411
2020
Q3 		$54.4M Buy
581,198
+386,919
+199% +$33.6M 0.03% 361
2020
Q2 		$16.5M Buy
194,279
+170,978
+734% +$6.74M 0.01% 856
2020
Q1 		$442K Sell
23,301
-31,791
-58% -$657K ﹤0.01% 3764
2019
Q4 		$1.11M Buy
55,092
+33,165
+151% +$699K ﹤0.01% 2629
2019
Q3 		$526K Sell
21,927
-7,278
-25% -$171K ﹤0.01% 3483
2019
Q2 		$592K Buy
+29,205
New +$602K ﹤0.01% 3358

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.