Jane Street
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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
Q2 		$55.6M Buy
146,200
+141,700
+3,149% +$47M ﹤0.01% 1338
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
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

Jane Street's MTSI Position: Q2 2026 in Review

Jane Street increased its MACOM Technology Solutions (MTSI) stake by 22,580% in Q2 2026, buying an estimated $177M and bringing the position to 534,564 shares worth $203M. The position accounts for 0.02% of the portfolio, ranked #580.

Jane Street first reported a position in MTSI in Q1 2014 and has held it in 30 quarters since. 658 funds tracked by Wall St. Rank hold MTSI as of Q2 2026.

  • Jane Street held 534,564 shares of MACOM Technology Solutions worth $203M as of Q2 2026.
  • Jane Street bought 532,207 MACOM Technology Solutions shares in Q2 2026, an estimated $177M.
  • MACOM Technology Solutions made up 0.02% of Jane Street's portfolio in Q2 2026, its #580 holding.
  • Jane Street first reported a position in MACOM Technology Solutions in Q1 2014 and has held it in 30 quarters since.
  • 658 funds tracked by Wall St. Rank held MACOM Technology Solutions as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.