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 Q3	$10.4M	Buy	751,055 +283,553	+61%	+$3.28M	0.01%	578
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

Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return

Baillie Gifford & Co Edinburgh, United Kingdom $106B AUM 2.29% 1-Year Est. Return

Nuveen Charlotte, North Carolina $420B AUM 34.97% 1-Year Est. Return

Mackenzie Financial Toronto Ontario, Ontario, Canada $91.6B AUM 30% 1-Year Est. Return

Royce & Associates New York $11B AUM 39.4% 1-Year Est. Return

Gagnon Securities New York $577M AUM 61.61% 1-Year Est. Return

Squarepoint New York $90.8B AUM 26.98% 1-Year Est. Return

Gagnon Advisors New York $182M AUM 52.04% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return

Acadian Asset Management's AMPL Position: Q3 2026 in Review

Acadian Asset Management increased its Amplitude (AMPL) stake by 61% in Q3 2026, buying an estimated $3.28M and bringing the position to 751,055 shares worth $10.4M. The position accounts for 0.01% of the portfolio, ranked #578.

Acadian Asset Management first reported a position in AMPL in Q4 2022 and has held it in 8 quarters since. 83 funds tracked by Wall St. Rank hold AMPL as of Q3 2026.

Acadian Asset Management held 751,055 shares of Amplitude worth $10.4M as of Q3 2026.
Acadian Asset Management bought 283,553 Amplitude shares in Q3 2026, an estimated $3.28M.
Amplitude made up 0.01% of Acadian Asset Management's portfolio in Q3 2026, its #578 holding.
Acadian Asset Management first reported a position in Amplitude in Q4 2022 and has held it in 8 quarters since.
83 funds tracked by Wall St. Rank held Amplitude as of Q3 2026.

Based on Acadian Asset Management's 13F filing for Q3 2026, filed 9 Nov 2026.