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Portolan Capital Management’s Amplitude AMPL Stock Holding History

Portolan Capital Management’s Portfolio AMPL Stock Details AMPL Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$2.45M Sell
359,593
-200,503
-36% -$1.65M 0.13% 121
2025
Q4 		$6.49M Buy
+560,096
New +$5.89M 0.35% 91

Other funds holding AMPL

Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
SUT
SC US (TTGP) Menlo Park, California $9.25B AUM 20.49% 1-Year Est. Return
Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $97.9B AUM 20.73% 1-Year Est. Return
N
Nuveen Charlotte, North Carolina $369B AUM 31.66% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Point72 Asset Management
Point72 Asset Management Stamford, Connecticut $78.1B AUM 55.25% 1-Year Est. Return

Portolan Capital Management's AMPL Position: Q1 2026 in Review

Portolan Capital Management reduced its Amplitude (AMPL) stake by 36% in Q1 2026, selling an estimated $1.65M and leaving 359,593 shares worth $2.45M. The position accounts for 0.13% of the portfolio, ranked #121.

Portolan Capital Management first reported a position in AMPL in Q4 2025 and has held it in 2 quarters since. The position peaked at $6.49M in Q4 2025. 218 funds tracked by Wall St. Rank hold AMPL as of Q1 2026.

  • Portolan Capital Management held 359,593 shares of Amplitude worth $2.45M as of Q1 2026.
  • Portolan Capital Management sold 200,503 Amplitude shares in Q1 2026, an estimated $1.65M.
  • Amplitude made up 0.13% of Portolan Capital Management's portfolio in Q1 2026, its #121 holding.
  • Portolan Capital Management first reported a position in Amplitude in Q4 2025 and has held it in 2 quarters since.
  • Portolan Capital Management's Amplitude position peaked at $6.49M in Q4 2025.
  • 218 funds tracked by Wall St. Rank held Amplitude as of Q1 2026.

Based on Portolan Capital Management's 13F filing for Q1 2026, filed 15 May 2026.