Arrowstreet Capital
MTSI icon

Arrowstreet Capital’s MACOM Technology Solutions MTSI Stock Holding History

Arrowstreet Capital’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 		$122M Buy
321,342
+236,307
+278% +$78.4M 0.05% 309
2026
Q1 		$18.9M Buy
85,035
+14,566
+21% +$3.25M 0.01% 763
2025
Q4 		$12.1M Buy
+70,469
New +$11.2M 0.01% 879
2025
Q1 		– Sell
-18,943
Closed -$2.46M – 1940
2024
Q4 		$2.46M Buy
+18,943
New +$2.38M ﹤0.01% 1222
2023
Q1 		– Sell
-6,480
Closed -$408K – 1460
2022
Q4 		$408K Buy
+6,480
New +$405K ﹤0.01% 1161
2022
Q3 		– Sell
-26,180
Closed -$1.21M – 1401
2022
Q2 		$1.21M Buy
+26,180
New +$1.35M ﹤0.01% 893
2021
Q3 		– Sell
-8,453
Closed -$542K – 1759
2021
Q2 		$542K Sell
8,453
-118,074
-93% -$6.85M ﹤0.01% 1671
2021
Q1 		$7.34M Sell
126,527
-203,192
-62% -$12.6M 0.01% 1002
2020
Q4 		$18.1M Sell
329,719
-173,152
-34% -$7.39M 0.03% 626
2020
Q3 		$17.1M Buy
502,871
+149,995
+43% +$5.45M 0.03% 619
2020
Q2 		$12.1M Buy
352,876
+245,187
+228% +$7.16M 0.02% 694
2020
Q1 		$2.04M Sell
107,689
-145,820
-58% -$3.71M 0.01% 1056
2019
Q4 		$6.74M Buy
+253,509
New +$6.05M 0.02% 763
2019
Q1 		– Sell
-117,741
Closed -$1.71M – 1848
2018
Q4 		$1.71M Buy
+117,741
New +$1.9M ﹤0.01% 835
2015
Q4 		– Sell
-9,200
Closed -$267K – 1532
2015
Q3 		$267K Sell
9,200
-12,500
-58% -$394K ﹤0.01% 1228
2015
Q2 		$830K Buy
+21,700
New +$801K ﹤0.01% 872

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

Arrowstreet Capital's MTSI Position: Q2 2026 in Review

Arrowstreet Capital increased its MACOM Technology Solutions (MTSI) stake by 278% in Q2 2026, buying an estimated $78.4M and bringing the position to 321,342 shares worth $122M. The position accounts for 0.05% of the portfolio, ranked #309.

Arrowstreet Capital first reported a position in MTSI in Q2 2015 and has held it in 16 quarters since. 656 funds tracked by Wall St. Rank hold MTSI as of Q2 2026.

  • Arrowstreet Capital held 321,342 shares of MACOM Technology Solutions worth $122M as of Q2 2026.
  • Arrowstreet Capital bought 236,307 MACOM Technology Solutions shares in Q2 2026, an estimated $78.4M.
  • MACOM Technology Solutions made up 0.05% of Arrowstreet Capital's portfolio in Q2 2026, its #309 holding.
  • Arrowstreet Capital first reported a position in MACOM Technology Solutions in Q2 2015 and has held it in 16 quarters since.
  • 656 funds tracked by Wall St. Rank held MACOM Technology Solutions as of Q2 2026.

Based on Arrowstreet Capital's 13F filing for Q2 2026, filed 13 Aug 2026.