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% 667
2021
Q3 		$1.28M Buy
+31,600
New +$1.46M ﹤0.01% 1269
2021
Q1 		– Sell
-1,163,800
Closed -$102M – 1366
2020
Q4 		$102M Buy
1,163,800
+989,000
+566% +$87.2M 0.1% 154
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 $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Legal & General Group
Legal & General Group London, United Kingdom $432B AUM 29.4% 1-Year Est. Return
First Trust Advisors
First Trust Advisors Wheaton, Illinois $140B AUM 27.84% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Two Sigma Investments
Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return
VOYA Investment Management
VOYA Investment Management Atlanta, Georgia $96.1B AUM 40.06% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Parallax Volatility Advisers's FSLY Position: Q1 2026 in Review

Parallax Volatility Advisers opened a new position in Fastly Inc (FSLY) in Q1 2026: 45,468 shares worth $1.32M. The stake represents ﹤0.01% of the portfolio and ranks #876 among its holdings. This is a return to the name: Parallax Volatility Advisers previously reported a position in FSLY as recently as Q3 2025.

Parallax Volatility Advisers first reported a position in FSLY in Q3 2019 and has held it in 22 quarters since. The position peaked at $13.4M in Q4 2021. 339 funds tracked by Wall St. Rank hold FSLY as of Q1 2026.

  • Parallax Volatility Advisers held 45,468 shares of Fastly Inc worth $1.32M as of Q1 2026.
  • Fastly Inc was a new Parallax Volatility Advisers position in Q1 2026.
  • Fastly Inc made up ﹤0.01% of Parallax Volatility Advisers's portfolio in Q1 2026, its #876 holding.
  • Parallax Volatility Advisers first reported a position in Fastly Inc in Q3 2019 and has held it in 22 quarters since.
  • Parallax Volatility Advisers's Fastly Inc position peaked at $13.4M in Q4 2021.
  • 339 funds tracked by Wall St. Rank held Fastly Inc as of Q1 2026.

Based on Parallax Volatility Advisers's 13F filing for Q1 2026, filed 15 May 2026.