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
2025
Q1 		– Sell
-154,600
Closed -$1.46M – 1759
2024
Q4 		$1.46M Hold
154,600
– – ﹤0.01% 1218
2024
Q3 		$1.17M Hold
154,600
– – ﹤0.01% 1316
2024
Q2 		$1.14M Sell
154,600
-100,000
-39% -$979K ﹤0.01% 1216
2024
Q1 		$3.3M Sell
254,600
-1,000
-0.4% -$16.9K 0.01% 866
2023
Q4 		$4.55M Buy
255,600
+88,500
+53% +$1.49M 0.01% 862
2023
Q3 		$3.2M Buy
167,100
+8,800
+6% +$172K 0.01% 926
2023
Q2 		$2.5M Buy
158,300
+59,900
+61% +$918K 0.01% 1053
2023
Q1 		$1.75M Buy
98,400
+42,700
+77% +$543K ﹤0.01% 1278
2022
Q4 		$456K Sell
55,700
-27,100
-33% -$237K ﹤0.01% 1904
2022
Q3 		$760K Sell
82,800
-14,700
-15% -$157K ﹤0.01% 1834
2022
Q2 		$1.13M Sell
97,500
-30,900
-24% -$436K ﹤0.01% 1590
2022
Q1 		$2.23M Sell
128,400
-95,800
-43% -$2.24M ﹤0.01% 1326
2021
Q4 		$7.95M Buy
224,200
+192,600
+609% +$8.37M 0.01% 997
2021
Q3 		$1.28M Sell
31,600
-401,100
-93% -$18.5M ﹤0.01% 1866
2021
Q2 		$25.8M Buy
432,700
+267,700
+162% +$15.2M 0.02% 546
2021
Q1 		$11.1M Sell
165,000
-998,800
-86% -$85.8M 0.01% 892
2020
Q4 		$102M Buy
1,163,800
+989,000
+566% +$87.2M 0.07% 238
2020
Q3 		$16.4M Sell
174,800
-383,900
-69% -$33.3M 0.01% 794
2020
Q2 		$47.6M Buy
+558,700
New +$22M 0.06% 279

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. 283 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.
  • 283 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.