Jane Street’s Ametek AME Stock Holding History

Jane Street’s Portfolio AME Stock Details AME Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$1.37M	Buy	6,400 +1,900	+42%	+$422K	﹤0.01%	5813
2025 Q4	$924K	Buy	+4,500	New	+$876K	﹤0.01%	6287
2025 Q3	–	Sell	-4,800	Closed	-$869K	–	10700
2025 Q2	$869K	Hold	4,800	–	–	﹤0.01%	5875
2025 Q1	$826K	Buy	+4,800	New	+$873K	﹤0.01%	5925
2024 Q1	–	Sell	-3,400	Closed	-$561K	–	9119
2023 Q4	$561K	Buy	+3,400	New	+$518K	﹤0.01%	6568
2023 Q2	–	Sell	-2,200	Closed	-$320K	–	8612
2023 Q1	$320K	Sell	2,200 -2,800	-56%	-$398K	﹤0.01%	7083
2022 Q4	$699K	Buy	5,000 +1,000	+25%	+$133K	﹤0.01%	5581
2022 Q3	$454K	Buy	4,000 +400	+11%	+$47.9K	﹤0.01%	6865
2022 Q2	$396K	Sell	3,600 -4,000	-53%	-$486K	﹤0.01%	7146
2022 Q1	$1.01M	Buy	7,600 +5,700	+300%	+$766K	﹤0.01%	6112
2021 Q4	$279K	Sell	1,900 -800	-30%	-$109K	﹤0.01%	8310
2021 Q3	$335K	Buy	+2,700	New	+$363K	﹤0.01%	7971
2021 Q2	–	Sell	-2,900	Closed	-$370K	–	9714
2021 Q1	$370K	Buy	+2,900	New	+$350K	﹤0.01%	7348
2019 Q2	–	Sell	-27,400	Closed	-$2.27M	–	5087
2019 Q1	$2.27M	Buy	+27,400	New	+$2.08M	﹤0.01%	1902

Other funds holding AME

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

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

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

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

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

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

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

Flossbach Von Storch Cologne, Germany $21.4B AUM 8.31% 1-Year Est. Return

Jane Street's AME Position: Q1 2026 in Review

Jane Street increased its Ametek (AME) stake by 966% in Q1 2026, buying an estimated $32.1M and bringing the position to 159,234 shares worth $34.1M. The position accounts for ﹤0.01% of the portfolio, ranked #1321.

Jane Street first reported a position in AME in Q2 2013 and has held it in 38 quarters since. 1,153 funds tracked by Wall St. Rank hold AME as of Q1 2026.

Jane Street held 159,234 shares of Ametek worth $34.1M as of Q1 2026.
Jane Street bought 144,301 Ametek shares in Q1 2026, an estimated $32.1M.
Ametek made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #1321 holding.
Jane Street first reported a position in Ametek in Q2 2013 and has held it in 38 quarters since.
1,153 funds tracked by Wall St. Rank held Ametek as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.