Jane Street’s MACOM Technology Solutions MTSI Stock Holding History

Jane Street’s Portfolio MTSI Stock Details MTSI Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$999K	Buy	4,500 +1,400	+45%	+$313K	﹤0.01%	6495
2025 Q4	$531K	Buy	3,100 +1,200	+63%	+$190K	﹤0.01%	7537
2025 Q3	$237K	Buy	+1,900	New	+$251K	﹤0.01%	9360
2025 Q2	–	Sell	-19,300	Closed	-$1.94M	–	10434
2025 Q1	$1.94M	Buy	+19,300	New	+$2.35M	﹤0.01%	4407
2024 Q2	–	Sell	-10,300	Closed	-$985K	–	9906
2024 Q1	$985K	Buy	+10,300	New	+$911K	﹤0.01%	5438
2022 Q3	–	Sell	-11,900	Closed	-$549K	–	10172
2022 Q2	$549K	Buy	11,900 +7,600	+177%	+$392K	﹤0.01%	6570
2022 Q1	$257K	Sell	4,300 -3,300	-43%	-$206K	﹤0.01%	8630
2021 Q4	$595K	Sell	7,600 -1,700	-18%	-$123K	﹤0.01%	6930
2021 Q3	$603K	Sell	9,300 -2,500	-21%	-$154K	﹤0.01%	6920
2021 Q2	$756K	Buy	11,800 +7,300	+162%	+$424K	﹤0.01%	6436
2021 Q1	$261K	Buy	+4,500	New	+$279K	﹤0.01%	7894
2020 Q4	–	Sell	-19,700	Closed	-$670K	–	7878
2020 Q3	$670K	Buy	+19,700	New	+$716K	﹤0.01%	4723

Other funds holding MTSI

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

T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 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

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

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

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

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

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

Jane Street's MTSI Position: Q1 2026 in Review

Jane Street reduced its MACOM Technology Solutions (MTSI) stake by 93% in Q1 2026, selling an estimated $7.46M and leaving 2,357 shares worth $523K. The position accounts for ﹤0.01% of the portfolio, ranked #7945.

Jane Street first reported a position in MTSI in Q1 2014 and has held it in 29 quarters since. The position peaked at $28.2M in Q2 2024. 512 funds tracked by Wall St. Rank hold MTSI as of Q1 2026.

Jane Street held 2,357 shares of MACOM Technology Solutions worth $523K as of Q1 2026.
Jane Street sold 33,424 MACOM Technology Solutions shares in Q1 2026, an estimated $7.46M.
MACOM Technology Solutions made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #7945 holding.
Jane Street first reported a position in MACOM Technology Solutions in Q1 2014 and has held it in 29 quarters since.
Jane Street's MACOM Technology Solutions position peaked at $28.2M in Q2 2024.
512 funds tracked by Wall St. Rank held MACOM Technology Solutions as of Q1 2026.

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