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PDT Partners’s MACOM Technology Solutions MTSI Stock Holding History

PDT Partners’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 		$533K Sell
1,400
-14,377
-91% -$4.77M 0.03% 390
2026
Q1 		$3.5M Hold
15,777
– – 0.21% 160
2025
Q4 		$2.7M Hold
15,777
– – 0.18% 201
2025
Q3 		$1.96M Sell
15,777
-1,869
-11% -$247K 0.12% 256
2025
Q2 		$2.53M Buy
17,646
+653
+4% +$76.3K 0.14% 249
2025
Q1 		$1.71M Buy
16,993
+12,188
+254% +$1.48M 0.12% 289
2024
Q4 		$624K Buy
+4,805
New +$604K 0.06% 433
2024
Q1 		– Sell
-2,949
Closed -$274K – 669
2023
Q4 		$274K Buy
+2,949
New +$243K 0.03% 470
2022
Q2 		– Sell
-13,271
Closed -$795K – 1086
2022
Q1 		$795K Buy
+13,271
New +$830K 0.07% 445
2020
Q3 		– Sell
-33,678
Closed -$1.16M – 806
2020
Q2 		$1.16M Sell
33,678
-30,244
-47% -$883K 0.08% 261
2020
Q1 		$1.21M Buy
63,922
+4,800
+8% +$122K 0.1% 209
2019
Q4 		$1.57M Sell
59,122
-51,114
-46% -$1.22M 0.1% 216
2019
Q3 		$2.37M Sell
110,236
-7,964
-7% -$156K 0.14% 181
2019
Q2 		$1.79M Buy
118,200
+30,800
+35% +$464K 0.11% 199
2019
Q1 		$1.46M Sell
87,400
-30,996
-26% -$540K 0.08% 226
2018
Q4 		$1.72M Buy
+118,396
New +$1.91M 0.1% 220

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

PDT Partners's MTSI Position: Q2 2026 in Review

PDT Partners reduced its MACOM Technology Solutions (MTSI) stake by 91% in Q2 2026, selling an estimated $4.77M and leaving 1,400 shares worth $533K. The position accounts for 0.03% of the portfolio, ranked #390.

PDT Partners first reported a position in MTSI in Q4 2018 and has held it in 16 quarters since. The position peaked at $3.5M in Q1 2026. 657 funds tracked by Wall St. Rank hold MTSI as of Q2 2026.

  • PDT Partners held 1,400 shares of MACOM Technology Solutions worth $533K as of Q2 2026.
  • PDT Partners sold 14,377 MACOM Technology Solutions shares in Q2 2026, an estimated $4.77M.
  • MACOM Technology Solutions made up 0.03% of PDT Partners's portfolio in Q2 2026, its #390 holding.
  • PDT Partners first reported a position in MACOM Technology Solutions in Q4 2018 and has held it in 16 quarters since.
  • PDT Partners's MACOM Technology Solutions position peaked at $3.5M in Q1 2026.
  • 657 funds tracked by Wall St. Rank held MACOM Technology Solutions as of Q2 2026.

Based on PDT Partners's 13F filing for Q2 2026, filed 14 Aug 2026.