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Osterweis Capital Management’s MACOM Technology Solutions MTSI Stock Holding History

Osterweis Capital Management’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 		$9.66M Sell
25,396
-11,147
-31% -$3.7M 0.46% 68
2026
Q1 		$8.12M Sell
36,543
-24,427
-40% -$5.45M 0.42% 70
2025
Q4 		$10.4M Buy
60,970
+45,705
+299% +$7.25M 0.44% 63
2025
Q3 		$1.9M Buy
+15,265
New +$2.01M 0.09% 96
2025
Q2 		– Sell
-33,811
Closed -$3.39M – 381
2025
Q1 		$3.39M Sell
33,811
-36,219
-52% -$4.41M 0.17% 87
2024
Q4 		$9.1M Hold
70,030
– – 0.42% 72
2024
Q3 		$7.79M Sell
70,030
-36,050
-34% -$3.78M 0.39% 78
2024
Q2 		$11.8M Sell
106,080
-17,920
-14% -$1.83M 0.61% 47
2024
Q1 		$11.9M Sell
124,000
-13,155
-10% -$1.16M 0.7% 39
2023
Q4 		$12.7M Sell
137,155
-5,915
-4% -$486K 0.81% 36
2023
Q3 		$11.7M Sell
143,070
-38,135
-21% -$2.82M 0.86% 35
2023
Q2 		$11.9M Buy
181,205
+4,895
+3% +$297K 0.79% 37
2023
Q1 		$12.5M Sell
176,310
-980
-0.6% -$66.2K 0.85% 38
2022
Q4 		$11.2M Buy
177,290
+19,360
+12% +$1.21M 0.81% 39
2022
Q3 		$8.18M Sell
157,930
-385
-0.2% -$21.1K 0.61% 47
2022
Q2 		$7.3M Buy
158,315
+13,600
+9% +$701K 0.55% 54
2022
Q1 		$8.66M Sell
144,715
-56,025
-28% -$3.5M 0.48% 73
2021
Q4 		$15.7M Buy
200,740
+79,000
+65% +$5.7M 0.79% 45
2021
Q3 		$7.9M Sell
121,740
-6,380
-5% -$392K 0.43% 71
2021
Q2 		$8.21M Buy
+128,120
New +$7.44M 0.42% 77

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

Osterweis Capital Management's MTSI Position: Q2 2026 in Review

Osterweis Capital Management reduced its MACOM Technology Solutions (MTSI) stake by 31% in Q2 2026, selling an estimated $3.7M and leaving 25,396 shares worth $9.66M. The position accounts for 0.46% of the portfolio, ranked #68.

Osterweis Capital Management first reported a position in MTSI in Q2 2021 and has held it in 20 quarters since. The position peaked at $15.7M in Q4 2021. 656 funds tracked by Wall St. Rank hold MTSI as of Q2 2026.

  • Osterweis Capital Management held 25,396 shares of MACOM Technology Solutions worth $9.66M as of Q2 2026.
  • Osterweis Capital Management sold 11,147 MACOM Technology Solutions shares in Q2 2026, an estimated $3.7M.
  • MACOM Technology Solutions made up 0.46% of Osterweis Capital Management's portfolio in Q2 2026, its #68 holding.
  • Osterweis Capital Management first reported a position in MACOM Technology Solutions in Q2 2021 and has held it in 20 quarters since.
  • Osterweis Capital Management's MACOM Technology Solutions position peaked at $15.7M in Q4 2021.
  • 656 funds tracked by Wall St. Rank held MACOM Technology Solutions as of Q2 2026.

Based on Osterweis Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.