Bank of Montreal’s Amprius Technologies AMPX Stock Holding History

Bank of Montreal’s Portfolio AMPX Stock Details AMPX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q3	–	Sell	-11,017	Closed	-$46.4K	–	3518
2025 Q2	$46.4K	Buy	+11,017	New	+$31K	﹤0.01%	3153

Other funds holding AMPX

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

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

DCM

Driehaus Capital Management Chicago, Illinois $13.6B AUM 173.98% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return

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

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

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

Deutsche Bank Frankfurt Am Main Ge, Germany $303B AUM 30.15% 1-Year Est. Return

BNP Paribas Financial Markets Paris, France $206B AUM 31.61% 1-Year Est. Return

Bank of Montreal's AMPX Position: Q3 2025 in Review

Bank of Montreal sold out of Amprius Technologies (AMPX) in Q3 2025, closing a stake of 11,017 shares — an estimated $46.4K sold.

Bank of Montreal first reported a position in AMPX in Q2 2025 and held it in 1 quarter. The position peaked at $46.4K in Q2 2025. 187 funds tracked by Wall St. Rank hold AMPX as of Q3 2025.

Bank of Montreal reported no remaining Amprius Technologies position as of Q3 2025 after selling out during the quarter.
Bank of Montreal sold 11,017 Amprius Technologies shares in Q3 2025, an estimated $46.4K.
Bank of Montreal first reported a position in Amprius Technologies in Q2 2025 and held it in 1 quarter.
Bank of Montreal's Amprius Technologies position peaked at $46.4K in Q2 2025.
187 funds tracked by Wall St. Rank held Amprius Technologies as of Q3 2025.

Based on Bank of Montreal's 13F filing for Q3 2025, filed 13 Nov 2025.