Russell Investments Group
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Russell Investments Group’s MACOM Technology Solutions MTSI Stock Holding History

Russell Investments Group’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 		$9.67M Buy
43,555
+828
+2% +$185K 0.01% 959
2025
Q4 		$7.32M Buy
42,727
+11,475
+37% +$1.82M 0.01% 1088
2025
Q3 		$3.89M Buy
31,252
+19,563
+167% +$2.58M ﹤0.01% 1465
2025
Q2 		$1.67M Sell
11,689
-1,707
-13% -$199K ﹤0.01% 1810
2025
Q1 		$1.34M Buy
13,396
+6,236
+87% +$759K ﹤0.01% 1908
2024
Q4 		$930K Buy
7,160
+100
+1% +$12.6K ﹤0.01% 2041
2024
Q3 		$785K Sell
7,060
-30,811
-81% -$3.23M ﹤0.01% 2120
2024
Q2 		$4.22M Buy
37,871
+14,280
+61% +$1.46M 0.01% 1233
2024
Q1 		$2.26M Buy
23,591
+17,748
+304% +$1.57M ﹤0.01% 1589
2023
Q4 		$543K Buy
5,843
+105
+2% +$8.63K ﹤0.01% 2187
2023
Q3 		$468K Hold
5,738
– – ﹤0.01% 2251
2023
Q2 		$376K Buy
5,738
+12
+0.2% +$727 ﹤0.01% 2309
2023
Q1 		$406K Buy
5,726
+56
+1% +$3.78K ﹤0.01% 2328
2022
Q4 		$357K Hold
5,670
– – ﹤0.01% 2403
2022
Q3 		$293K Hold
5,670
– – ﹤0.01% 2440
2022
Q2 		$261K Hold
5,670
– – ﹤0.01% 2484
2022
Q1 		$339K Hold
5,670
– – ﹤0.01% 2339
2021
Q4 		$443K Hold
5,670
– – ﹤0.01% 2481
2021
Q3 		$367K Sell
5,670
-2,985
-34% -$183K ﹤0.01% 2583
2021
Q2 		$554K Hold
8,655
– – ﹤0.01% 2554
2021
Q1 		$501K Buy
8,655
+1,798
+26% +$111K ﹤0.01% 2525
2020
Q4 		$377K Sell
6,857
-107,691
-94% -$4.6M ﹤0.01% 2541
2020
Q3 		$3.89M Sell
114,548
-4,347
-4% -$158K 0.01% 1277
2020
Q2 		$4.08M Buy
118,895
+39,778
+50% +$1.16M 0.01% 1218
2020
Q1 		$1.5M Buy
79,117
+59,356
+300% +$1.51M ﹤0.01% 1625
2019
Q4 		$524K Buy
19,761
+13,791
+231% +$329K ﹤0.01% 2381
2019
Q3 		$129K Buy
5,970
+300
+5% +$5.86K ﹤0.01% 2760
2019
Q2 		$86K Sell
5,670
-80,329
-93% -$1.21M ﹤0.01% 2665
2019
Q1 		$1.44M Buy
85,999
+2,100
+3% +$36.6K ﹤0.01% 1877
2018
Q4 		$1.22M Sell
83,899
-74,071
-47% -$1.19M ﹤0.01% 1844
2018
Q3 		$3.25M Buy
157,970
+42,145
+36% +$945K 0.01% 1507
2018
Q2 		$2.67M Sell
115,825
-5,570
-5% -$118K 0.01% 1626
2018
Q1 		$2.02M Sell
121,395
-58,652
-33% -$1.51M ﹤0.01% 1833
2017
Q4 		$5.9M Sell
180,047
-40,300
-18% -$1.46M 0.01% 1249
2017
Q3 		$9.83M Sell
220,347
-14,980
-6% -$731K 0.02% 965
2017
Q2 		$13.1M Buy
235,327
+32,698
+16% +$1.76M 0.02% 778
2017
Q1 		$9.79M Buy
202,629
+4,280
+2% +$200K 0.02% 883
2016
Q4 		$9.36M Buy
+198,349
New +$8.66M 0.02% 886

Other funds holding MTSI

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
Invesco
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
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Russell Investments Group's MTSI Position: Q1 2026 in Review

Russell Investments Group increased its MACOM Technology Solutions (MTSI) stake by 1.9% in Q1 2026, buying an estimated $185K and bringing the position to 43,555 shares worth $9.67M. The position accounts for 0.01% of the portfolio, ranked #959.

Russell Investments Group first reported a position in MTSI in Q4 2016 and has held it in 38 quarters since. The position peaked at $13.1M in Q2 2017. 512 funds tracked by Wall St. Rank hold MTSI as of Q1 2026.

  • Russell Investments Group held 43,555 shares of MACOM Technology Solutions worth $9.67M as of Q1 2026.
  • Russell Investments Group bought 828 MACOM Technology Solutions shares in Q1 2026, an estimated $185K.
  • MACOM Technology Solutions made up 0.01% of Russell Investments Group's portfolio in Q1 2026, its #959 holding.
  • Russell Investments Group first reported a position in MACOM Technology Solutions in Q4 2016 and has held it in 38 quarters since.
  • Russell Investments Group's MACOM Technology Solutions position peaked at $13.1M in Q2 2017.
  • 512 funds tracked by Wall St. Rank held MACOM Technology Solutions as of Q1 2026.

Based on Russell Investments Group's 13F filing for Q1 2026, filed 8 May 2026.