DTL
MASI

Dynamic Technology Lab’s Masimo MASI Stock Holding History

Dynamic Technology Lab’s Portfolio MASI Stock Details MASI Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-9,480
Closed -$1.23M – 1049
2025
Q4 		$1.23M Buy
+9,480
New +$1.36M 0.28% 77
2025
Q2 		– Sell
-1,320
Closed -$220K – 1187
2025
Q1 		$220K Buy
+1,320
New +$229K 0.03% 811
2024
Q3 		– Sell
-7,351
Closed -$926K – 1215
2024
Q2 		$926K Buy
+7,351
New +$968K 0.1% 324
2023
Q4 		– Sell
-26,940
Closed -$2.36M – 1256
2023
Q3 		$2.36M Buy
26,940
+24,875
+1,205% +$2.9M 0.24% 59
2023
Q2 		$340K Buy
+2,065
New +$360K 0.04% 654
2022
Q1 		– Sell
-1,700
Closed -$498K – 1334
2021
Q4 		$498K Buy
+1,700
New +$484K 0.06% 581
2021
Q2 		– Sell
-2,744
Closed -$630K – 1349
2021
Q1 		$630K Buy
+2,744
New +$689K 0.07% 449
2020
Q2 		– Sell
-1,935
Closed -$343K – 1182
2020
Q1 		$343K Buy
+1,935
New +$332K 0.07% 528
2019
Q4 		– Sell
-3,943
Closed -$587K – 1167
2019
Q3 		$587K Buy
+3,943
New +$599K 0.1% 349
2019
Q1 		– Sell
-5,527
Closed -$594K – 1184
2018
Q4 		$594K Buy
5,527
+2,962
+115% +$330K 0.1% 334
2018
Q3 		$320K Sell
2,565
-3,786
-60% -$420K 0.04% 711
2018
Q2 		$620K Buy
+6,351
New +$604K 0.09% 374

Other funds holding MASI

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
PCM
Politan Capital Management New York $985M AUM 3.12% 1-Year Est. Return
PCM
Pentwater Capital Management Naples, Florida $19.3B AUM 58.13% 1-Year Est. Return
Barclays
Barclays London, United Kingdom $416B AUM 33.63% 1-Year Est. Return
HI
HBK Investments Dallas, Texas $9.85B AUM 55.6% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $298B AUM 21.96% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Dynamic Technology Lab's MASI Position: Q1 2026 in Review

Dynamic Technology Lab sold out of Masimo (MASI) in Q1 2026, closing a stake of 9,480 shares — an estimated $1.23M sold.

Dynamic Technology Lab first reported a position in MASI in Q2 2018 and held it in 12 quarters. The position peaked at $2.36M in Q3 2023. 445 funds tracked by Wall St. Rank hold MASI as of Q1 2026.

  • Dynamic Technology Lab reported no remaining Masimo position as of Q1 2026 after selling out during the quarter.
  • Dynamic Technology Lab sold 9,480 Masimo shares in Q1 2026, an estimated $1.23M.
  • Dynamic Technology Lab first reported a position in Masimo in Q2 2018 and held it in 12 quarters.
  • Dynamic Technology Lab's Masimo position peaked at $2.36M in Q3 2023.
  • 445 funds tracked by Wall St. Rank held Masimo as of Q1 2026.

Based on Dynamic Technology Lab's 13F filing for Q1 2026, filed 15 May 2026.