Simplex Trading’s Allegro MicroSystems ALGM Stock Holding History

Simplex Trading’s Portfolio ALGM Stock Details ALGM Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$4.86K	Buy	+154	New	+$5.31K	﹤0.01%	7914
2025 Q4	–	Sell	-8,391	Closed	-$231K	–	8403
2025 Q3	$245K	Buy	+8,391	New	+$271K	﹤0.01%	4695
2025 Q2	–	Sell	-26,468	Closed	-$659K	–	8527
2025 Q1	$665K	Buy	+26,468	New	+$661K	﹤0.01%	3088
2024 Q4	–	Sell	-8,802	Closed	-$188K	–	8409
2024 Q3	$205K	Buy	+8,802	New	+$221K	﹤0.01%	4491
2024 Q2	–	Sell	-24,040	Closed	-$684K	–	8676
2024 Q1	$648K	Buy	+24,040	New	+$695K	﹤0.01%	3587
2023 Q4	–	Sell	-14,623	Closed	-$418K	–	8689
2023 Q3	$467K	Buy	14,623 +3,690	+34%	+$150K	﹤0.01%	3486
2023 Q2	$493K	Buy	+10,933	New	+$443K	﹤0.01%	3338
2022 Q3	–	Sell	-338	Closed	-$7.84K	–	9809
2022 Q2	$6K	Buy	+338	New	+$8.07K	﹤0.01%	8685
2021 Q4	–	Sell	-863	Closed	-$28.1K	–	10379
2021 Q3	$23K	Buy	863 +200	+30%	+$5.89K	﹤0.01%	8306
2021 Q2	$18K	Buy	663 +548	+477%	+$14.3K	﹤0.01%	8660
2021 Q1	$2K	Buy	+115	New	+$3.29K	﹤0.01%	8415

Other funds holding ALGM

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

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

Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return

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

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

JP Morgan Chase New York $1.56T AUM 27.86% 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

ClearBridge Investments New York $115B AUM 24.78% 1-Year Est. Return

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

Simplex Trading's ALGM Position: Q1 2026 in Review

Simplex Trading opened a new position in Allegro MicroSystems (ALGM) in Q1 2026: 154 shares worth $4.86K. The stake represents ﹤0.01% of the portfolio and ranks #7914 among its holdings. This is a return to the name: Simplex Trading previously reported a position in ALGM as recently as Q3 2025.

Simplex Trading first reported a position in ALGM in Q1 2021 and has held it in 11 quarters since. The position peaked at $665K in Q1 2025. 320 funds tracked by Wall St. Rank hold ALGM as of Q1 2026.

Simplex Trading held 154 shares of Allegro MicroSystems worth $4.86K as of Q1 2026.
Allegro MicroSystems was a new Simplex Trading position in Q1 2026.
Allegro MicroSystems made up ﹤0.01% of Simplex Trading's portfolio in Q1 2026, its #7914 holding.
Simplex Trading first reported a position in Allegro MicroSystems in Q1 2021 and has held it in 11 quarters since.
Simplex Trading's Allegro MicroSystems position peaked at $665K in Q1 2025.
320 funds tracked by Wall St. Rank held Allegro MicroSystems as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.