Mariner
FSLY icon

Mariner’s Fastly Inc FSLY Stock Holding History

Mariner’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
Q1 		$1.1M Buy
37,919
+6,931
+22% +$114K ﹤0.01% 1900
2025
Q4 		$315K Buy
30,988
+3,606
+13% +$35.6K ﹤0.01% 2793
2025
Q3 		$234K Buy
27,382
+7,337
+37% +$54.3K ﹤0.01% 3029
2025
Q2 		$142K Sell
20,045
-3,952
-16% -$26.5K ﹤0.01% 3161
2025
Q1 		$152K Buy
23,997
+1,129
+5% +$9.43K ﹤0.01% 3093
2024
Q4 		$216K Buy
22,868
+3,487
+18% +$29K ﹤0.01% 2939
2024
Q3 		$147K Sell
19,381
-25,130
-56% -$174K ﹤0.01% 3011
2024
Q2 		$328K Buy
44,511
+24,026
+117% +$235K ﹤0.01% 2380
2024
Q1 		$266K Buy
20,485
+3,546
+21% +$59.9K ﹤0.01% 2548
2023
Q4 		$302K Sell
16,939
-6,992
-29% -$118K ﹤0.01% 2349
2023
Q3 		$459K Buy
23,931
+7,863
+49% +$153K ﹤0.01% 1837
2023
Q2 		$253K Buy
16,068
+1,504
+10% +$23K ﹤0.01% 2256
2023
Q1 		$257K Buy
14,564
+925
+7% +$11.8K ﹤0.01% 2194
2022
Q4 		$112K Buy
+13,639
New +$119K ﹤0.01% 2495
2020
Q2 		– Sell
-146,113
Closed -$2.77M – 729
2020
Q1 		$2.77M Buy
+146,113
New +$3.02M 0.03% 315

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

Mariner's FSLY Position: Q1 2026 in Review

Mariner increased its Fastly Inc (FSLY) stake by 22% in Q1 2026, buying an estimated $114K and bringing the position to 37,919 shares worth $1.1M. The position accounts for ﹤0.01% of the portfolio, ranked #1900.

Mariner first reported a position in FSLY in Q1 2020 and has held it in 15 quarters since. The position peaked at $2.77M in Q1 2020. 339 funds tracked by Wall St. Rank hold FSLY as of Q1 2026.

  • Mariner held 37,919 shares of Fastly Inc worth $1.1M as of Q1 2026.
  • Mariner bought 6,931 Fastly Inc shares in Q1 2026, an estimated $114K.
  • Fastly Inc made up ﹤0.01% of Mariner's portfolio in Q1 2026, its #1900 holding.
  • Mariner first reported a position in Fastly Inc in Q1 2020 and has held it in 15 quarters since.
  • Mariner's Fastly Inc position peaked at $2.77M in Q1 2020.
  • 339 funds tracked by Wall St. Rank held Fastly Inc as of Q1 2026.

Based on Mariner's 13F filing for Q1 2026, filed 13 May 2026.