Mariner
MASI

Mariner’s Masimo MASI Stock Holding History

Mariner’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
Q2 		– Sell
-61,265
Closed -$10.9M – 3765
2026
Q1 		$10.9M Buy
61,265
+39,816
+186% +$6.25M 0.01% 702
2025
Q4 		$2.79M Buy
+21,449
New +$3.07M ﹤0.01% 1312
2025
Q2 		– Sell
-2,405
Closed -$400K – 3605
2025
Q1 		$400K Sell
2,405
-1,054
-30% -$183K ﹤0.01% 2383
2024
Q4 		$572K Buy
3,459
+321
+10% +$50.7K ﹤0.01% 2086
2024
Q3 		$418K Sell
3,138
-3,734
-54% -$433K ﹤0.01% 2286
2024
Q2 		$866K Buy
6,872
+2,008
+41% +$264K ﹤0.01% 1618
2024
Q1 		$714K Buy
4,864
+1,612
+50% +$208K ﹤0.01% 1749
2023
Q4 		$381K Buy
+3,252
New +$303K ﹤0.01% 2146
2023
Q3 		– Sell
-5,790
Closed -$953K – 2971
2023
Q2 		$953K Sell
5,790
-7
-0.1% -$1.22K ﹤0.01% 1342
2023
Q1 		$1.07M Sell
5,797
-2,096
-27% -$354K ﹤0.01% 1239
2022
Q4 		$1.17M Buy
7,893
+1,649
+26% +$227K ﹤0.01% 1159
2022
Q3 		$881K Buy
+6,244
New +$912K ﹤0.01% 1115

Other funds holding MASI

IA
IFP Advisors Tampa, Florida $5.54B AUM 27.43% 1-Year Est. Return
HNB
Huntington National Bank Columbus, Ohio $20.6B AUM 34.61% 1-Year Est. Return

Mariner's MASI Position: Q2 2026 in Review

Mariner sold out of Masimo (MASI) in Q2 2026, closing a stake of 61,265 shares — an estimated $10.9M sold.

Mariner first reported a position in MASI in Q3 2022 and held it in 12 quarters. The position peaked at $10.9M in Q1 2026. 2 funds tracked by Wall St. Rank hold MASI as of Q2 2026.

  • Mariner reported no remaining Masimo position as of Q2 2026 after selling out during the quarter.
  • Mariner sold 61,265 Masimo shares in Q2 2026, an estimated $10.9M.
  • Mariner first reported a position in Masimo in Q3 2022 and held it in 12 quarters.
  • Mariner's Masimo position peaked at $10.9M in Q1 2026.
  • 2 funds tracked by Wall St. Rank held Masimo as of Q2 2026.

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