Acadian Asset Management’s Amplitude AMPL Stock Holding History

Acadian Asset 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 Q2	$3.57M	Sell	467,502 -332,528	-42%	-$2.29M	﹤0.01%	903
2026 Q1	$5.45M	Buy	800,030 +268,488	+51%	+$2.22M	0.01%	688
2025 Q4	$6.15M	Buy	531,542 +162,958	+44%	+$1.71M	0.01%	600
2025 Q3	$3.94M	Buy	368,584 +291,096	+376%	+$3.45M	0.01%	707
2025 Q2	$957K	Buy	+77,488	New	+$838K	﹤0.01%	988
2023 Q2	–	Sell	-7,588	Closed	-$93K	–	1711
2023 Q1	$93K	Sell	7,588 -19,544	-72%	-$260K	﹤0.01%	1405
2022 Q4	$326K	Buy	+27,132	New	+$384K	﹤0.01%	1155

Other funds holding AMPL

Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

SUT

SC US (TTGP) Menlo Park, California $31.9B AUM 28.45% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Trigran Investments Northbrook, Illinois $545M AUM 56.2% 1-Year Est. Return

Baillie Gifford & Co Edinburgh, United Kingdom $110B AUM 4.8% 1-Year Est. Return

Acadian Asset Management's AMPL Position: Q2 2026 in Review

Acadian Asset Management reduced its Amplitude (AMPL) stake by 42% in Q2 2026, selling an estimated $2.29M and leaving 467,502 shares worth $3.57M. The position accounts for ﹤0.01% of the portfolio, ranked #903.

Acadian Asset Management first reported a position in AMPL in Q4 2022 and has held it in 7 quarters since. The position peaked at $6.15M in Q4 2025. 203 funds tracked by Wall St. Rank hold AMPL as of Q2 2026.

Acadian Asset Management held 467,502 shares of Amplitude worth $3.57M as of Q2 2026.
Acadian Asset Management sold 332,528 Amplitude shares in Q2 2026, an estimated $2.29M.
Amplitude made up ﹤0.01% of Acadian Asset Management's portfolio in Q2 2026, its #903 holding.
Acadian Asset Management first reported a position in Amplitude in Q4 2022 and has held it in 7 quarters since.
Acadian Asset Management's Amplitude position peaked at $6.15M in Q4 2025.
203 funds tracked by Wall St. Rank held Amplitude as of Q2 2026.

Based on Acadian Asset Management's 13F filing for Q2 2026, filed 13 Aug 2026.