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
-150,100
Closed -$1.42M – 1760
2024
Q4 		$1.42M Hold
150,100
– – ﹤0.01% 1238
2024
Q3 		$1.14M Sell
150,100
-40,000
-21% -$278K ﹤0.01% 1323
2024
Q2 		$1.4M Buy
190,100
+40,100
+27% +$392K ﹤0.01% 1150
2024
Q1 		$1.95M Sell
150,000
-190,000
-56% -$3.21M ﹤0.01% 1041
2023
Q4 		$6.05M Hold
340,000
– – 0.01% 769
2023
Q3 		$6.52M Sell
340,000
-100
-0% -$1.95K 0.01% 667
2023
Q2 		$5.36M Sell
340,100
-57,300
-14% -$878K 0.01% 752
2023
Q1 		$7.06M Buy
397,400
+179,400
+82% +$2.28M 0.01% 713
2022
Q4 		$1.79M Buy
218,000
+170,400
+358% +$1.49M ﹤0.01% 1444
2022
Q3 		$435K Sell
47,600
-209,100
-81% -$2.23M ﹤0.01% 2021
2022
Q2 		$2.98M Sell
256,700
-81,500
-24% -$1.15M ﹤0.01% 1185
2022
Q1 		$5.88M Sell
338,200
-172,200
-34% -$4.02M ﹤0.01% 938
2021
Q4 		$18.1M Buy
510,400
+60,000
+13% +$2.61M 0.02% 432
2021
Q3 		$18.2M Buy
+450,400
New +$20.8M 0.02% 477
2021
Q1 		– Sell
-362,600
Closed -$31.7M – 1368
2020
Q4 		$31.7M Buy
362,600
+167,300
+86% +$14.7M 0.03% 410
2020
Q3 		$18.3M Buy
195,300
+90,500
+86% +$7.85M 0.01% 753
2020
Q2 		$8.95M Buy
+104,800
New +$4.13M 0.01% 846

Other funds holding FSLY

BlackRock
BlackRock New York $6.73T AUM 46.02% 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.