Israel Englander’s Amentum Holdings AMTM Stock Holding History

Israel Englander’s Portfolio AMTM Stock Details AMTM Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$44M	Buy	2,127,779 +1,496,724	+237%	+$36.2M	0.02%	980
2026 Q1	$16.5M	Buy	631,055 +569,868	+931%	+$17.9M	0.01%	1708
2025 Q4	$1.77M	Sell	61,187 -579,612	-90%	-$14.8M	﹤0.01%	4052
2025 Q3	$15.3M	Sell	640,799 -4,025,416	-86%	-$98M	0.01%	1956
2025 Q2	$110M	Buy	4,666,215 +2,654,423	+132%	+$55.5M	0.05%	348
2025 Q1	$36.6M	Buy	2,011,792 +815,218	+68%	+$16.6M	0.02%	992
2024 Q4	$25.2M	Buy	1,196,574 +524,807	+78%	+$13.6M	0.01%	1333
2024 Q3	$21.7M	Buy	+671,767	New	+$19.1M	0.01%	1490

Other funds holding AMTM

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

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

Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

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

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

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

FCM

Frontier Capital Management Boston, Massachusetts $10.7B AUM 67.78% 1-Year Est. Return

TCA

Troluce Capital Advisors Dorado, Puerto Rico $971M AUM 2.27% 1-Year Est. Return

Israel Englander's AMTM Position: Q2 2026 in Review

Israel Englander increased its Amentum Holdings (AMTM) stake by 237% in Q2 2026, buying an estimated $36.2M and bringing the position to 2,127,779 shares worth $44M. The position accounts for 0.02% of the portfolio, ranked #980.

Israel Englander first reported a position in AMTM in Q3 2024 and has held it in 8 quarters since. The position peaked at $110M in Q2 2025. 457 funds tracked by Wall St. Rank hold AMTM as of Q2 2026.

Israel Englander held 2,127,779 shares of Amentum Holdings worth $44M as of Q2 2026.
Israel Englander bought 1,496,724 Amentum Holdings shares in Q2 2026, an estimated $36.2M.
Amentum Holdings made up 0.02% of Israel Englander's portfolio in Q2 2026, its #980 holding.
Israel Englander first reported a position in Amentum Holdings in Q3 2024 and has held it in 8 quarters since.
Israel Englander's Amentum Holdings position peaked at $110M in Q2 2025.
457 funds tracked by Wall St. Rank held Amentum Holdings as of Q2 2026.

Based on Millennium Management's 13F filing for Q2 2026, filed 14 Aug 2026.