Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$4.53M Buy
25,495
+23,209
+1,015% +$3.64M 0.02% 450
2025
Q4
$297K Buy
+2,286
New +$327K ﹤0.01% 900
2025
Q3
Sell
-45,648
Closed -$7.68M 1160
2025
Q2
$7.68M Buy
+45,648
New +$7.29M 0.03% 283
2025
Q1
Sell
-181
Closed -$29.9K 1111
2024
Q4
$29.9K Sell
181
-14,205
-99% -$2.24M ﹤0.01% 917
2024
Q3
$1.92M Sell
14,386
-91,430
-86% -$10.6M 0.01% 437
2024
Q2
$13.3M Buy
+105,816
New +$13.9M 0.08% 175
2023
Q3
Sell
-120
Closed -$19.7K 1079
2023
Q2
$19.7K Buy
120
+119
+11,900% +$20.7K ﹤0.01% 897
2023
Q1
$185 Hold
1
﹤0.01% 954
2022
Q4
$148 Buy
+1
New +$138 ﹤0.01% 1054
2022
Q3
Sell
-156,119
Closed -$20.4M 1134
2022
Q2
$20.4M Buy
+156,119
New +$20.9M 0.07% 174
2022
Q1
Sell
-11,910
Closed -$3.49M 1258
2021
Q4
$3.49M Buy
11,910
+8,910
+297% +$2.54M 0.01% 633
2021
Q3
$812K Buy
+3,000
New +$813K ﹤0.01% 933
2021
Q2
Sell
-2,013
Closed -$462K 911
2021
Q1
$462K Sell
2,013
-11,416
-85% -$2.87M ﹤0.01% 950
2020
Q4
$3.6M Buy
+13,429
New +$3.35M 0.01% 575
2019
Q4
Sell
-26,507
Closed -$3.94M 912
2019
Q3
$3.94M Sell
26,507
-156,415
-86% -$23.8M 0.03% 391
2019
Q2
$27.2M Buy
182,922
+75,626
+70% +$10.4M 0.21% 103
2019
Q1
$14.7M Buy
107,296
+12,327
+13% +$1.55M 0.09% 213
2018
Q4
$10.2M Sell
94,969
-34,732
-27% -$3.87M 0.08% 218
2018
Q3
$16.2M Buy
+129,701
New +$14.4M 0.09% 203
2018
Q2
Sell
-3,613
Closed -$318K 951
2018
Q1
$318K Sell
3,613
-192
-5% -$16.7K ﹤0.01% 732
2017
Q4
$323K Sell
3,805
-5,014
-57% -$435K ﹤0.01% 667
2017
Q3
$763K Buy
8,819
+5,361
+155% +$474K 0.01% 562
2017
Q2
$315K Sell
3,458
-893
-21% -$82K ﹤0.01% 629
2017
Q1
$406K Sell
4,351
-348
-7% -$28.6K 0.01% 572
2016
Q4
$317K Buy
+4,699
New +$289K ﹤0.01% 614

Other funds holding MASI

Natixis's MASI Position: Q1 2026 in Review

Natixis increased its Masimo (MASI) stake by 1,015% in Q1 2026, buying an estimated $3.64M and bringing the position to 25,495 shares worth $4.53M. The position accounts for 0.02% of the portfolio, ranked #450.

Natixis first reported a position in MASI in Q4 2016 and has held it in 25 quarters since. The position peaked at $27.2M in Q2 2019. 445 funds tracked by Wall St. Rank hold MASI as of Q1 2026.

  • Natixis held 25,495 shares of Masimo worth $4.53M as of Q1 2026.
  • Natixis bought 23,209 Masimo shares in Q1 2026, an estimated $3.64M.
  • Masimo made up 0.02% of Natixis's portfolio in Q1 2026, its #450 holding.
  • Natixis first reported a position in Masimo in Q4 2016 and has held it in 25 quarters since.
  • Natixis's Masimo position peaked at $27.2M in Q2 2019.
  • 445 funds tracked by Wall St. Rank held Masimo as of Q1 2026.

Based on Natixis's 13F filing for Q1 2026, filed 14 May 2026.