Adage Capital Partners’s Amplitude AMPL Stock Holding History

Adage Capital Partners’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
2025 Q3	–	Sell	-275,000	Closed	-$3.41M	–	881
2025 Q2	$3.41M	Buy	+275,000	New	+$2.97M	0.01%	737

Other funds holding AMPL

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

AllianceBernstein Nashville, Tennessee $309B AUM 23.92% 1-Year Est. Return

T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return

SUT

SC US (TTGP) Menlo Park, California $9.25B AUM 20.49% 1-Year Est. Return

Baillie Gifford & Co Edinburgh, United Kingdom $97.9B AUM 20.73% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Nuveen Charlotte, North Carolina $369B AUM 31.66% 1-Year Est. Return

Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

Adage Capital Partners's AMPL Position: Q3 2025 in Review

Adage Capital Partners sold out of Amplitude (AMPL) in Q3 2025, closing a stake of 275,000 shares — an estimated $3.41M sold.

Adage Capital Partners first reported a position in AMPL in Q2 2025 and held it in 1 quarter. The position peaked at $3.41M in Q2 2025. 203 funds tracked by Wall St. Rank hold AMPL as of Q3 2025.

Adage Capital Partners reported no remaining Amplitude position as of Q3 2025 after selling out during the quarter.
Adage Capital Partners sold 275,000 Amplitude shares in Q3 2025, an estimated $3.41M.
Adage Capital Partners first reported a position in Amplitude in Q2 2025 and held it in 1 quarter.
Adage Capital Partners's Amplitude position peaked at $3.41M in Q2 2025.
203 funds tracked by Wall St. Rank held Amplitude as of Q3 2025.

Based on Adage Capital Partners's 13F filing for Q3 2025, filed 14 Nov 2025.