Parallax Volatility Advisers
FSLY icon

Parallax Volatility Advisers’s Fastly Inc FSLY Stock Holding History

Parallax Volatility Advisers’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 		$758K Sell
41,266
-4,202
-9% -$91.3K ﹤0.01% 1030
2026
Q1 		$1.32M Buy
+45,468
New +$746K ﹤0.01% 876
2025
Q4 		– Sell
-12,095
Closed -$103K – 1716
2025
Q3 		$103K Buy
12,095
+1,465
+14% +$10.8K ﹤0.01% 1419
2025
Q2 		$75K Sell
10,630
-11,262
-51% -$75.5K ﹤0.01% 1408
2025
Q1 		$139K Sell
21,892
-140,742
-87% -$1.18M ﹤0.01% 1350
2024
Q4 		$1.54M Buy
162,634
+42,972
+36% +$357K ﹤0.01% 1200
2024
Q3 		$906K Buy
119,662
+6,123
+5% +$42.5K ﹤0.01% 1378
2024
Q2 		$837K Buy
113,539
+91,570
+417% +$896K ﹤0.01% 1316
2024
Q1 		$285K Sell
21,969
-141,462
-87% -$2.39M ﹤0.01% 1505
2023
Q4 		$2.91M Buy
163,431
+30,309
+23% +$511K 0.01% 1035
2023
Q3 		$2.55M Buy
133,122
+10,076
+8% +$197K 0.01% 1006
2023
Q2 		$1.94M Buy
123,046
+59,316
+93% +$909K ﹤0.01% 1150
2023
Q1 		$1.13M Buy
63,730
+54,634
+601% +$694K ﹤0.01% 1447
2022
Q4 		$74.5K Sell
9,096
-10,556
-54% -$92.5K ﹤0.01% 2315
2022
Q3 		$180K Sell
19,652
-98,160
-83% -$1.05M ﹤0.01% 2343
2022
Q2 		$1.37M Buy
117,812
+19,181
+19% +$271K ﹤0.01% 1520
2022
Q1 		$1.71M Sell
98,631
-278,280
-74% -$6.5M ﹤0.01% 1424
2021
Q4 		$13.4M Buy
376,911
+76,099
+25% +$3.31M 0.01% 769
2021
Q3 		$12.2M Buy
300,812
+169,504
+129% +$7.82M 0.01% 855
2021
Q2 		$7.83M Buy
131,308
+126,137
+2,439% +$7.17M 0.01% 996
2021
Q1 		$348K Sell
5,171
-4,982
-49% -$428K ﹤0.01% 2494
2020
Q4 		$887K Buy
10,153
+3,596
+55% +$317K ﹤0.01% 2239
2020
Q3 		$614K Buy
6,557
+2,458
+60% +$213K ﹤0.01% 2181
2020
Q2 		$349K Buy
+4,099
New +$161K ﹤0.01% 2085
2019
Q4 		– Sell
-13,876
Closed -$333K – 2497
2019
Q3 		$333K Buy
+13,876
New +$327K ﹤0.01% 1725

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

Parallax Volatility Advisers's FSLY Position: Q2 2026 in Review

Parallax Volatility Advisers reduced its Fastly Inc (FSLY) stake by 9.2% in Q2 2026, selling an estimated $91.3K and leaving 41,266 shares worth $758K. The position accounts for ﹤0.01% of the portfolio, ranked #1030.

Parallax Volatility Advisers first reported a position in FSLY in Q3 2019 and has held it in 25 quarters since. The position peaked at $13.4M in Q4 2021. 282 funds tracked by Wall St. Rank hold FSLY as of Q2 2026.

  • Parallax Volatility Advisers held 41,266 shares of Fastly Inc worth $758K as of Q2 2026.
  • Parallax Volatility Advisers sold 4,202 Fastly Inc shares in Q2 2026, an estimated $91.3K.
  • Fastly Inc made up ﹤0.01% of Parallax Volatility Advisers's portfolio in Q2 2026, its #1030 holding.
  • Parallax Volatility Advisers first reported a position in Fastly Inc in Q3 2019 and has held it in 25 quarters since.
  • Parallax Volatility Advisers's Fastly Inc position peaked at $13.4M in Q4 2021.
  • 282 funds tracked by Wall St. Rank held Fastly Inc as of Q2 2026.

Based on Parallax Volatility Advisers's 13F filing for Q2 2026, filed 14 Aug 2026.