UBS Group
MASI

UBS Group’s Masimo MASI Stock Holding History

UBS Group’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 		$83.3M Sell
468,257
-131,017
-22% -$20.6M 0.01% 1197
2025
Q4 		$77.9M Buy
599,274
+429,474
+253% +$61.5M 0.01% 1222
2025
Q3 		$25.1M Buy
169,800
+27,636
+19% +$4.18M ﹤0.01% 2318
2025
Q2 		$23.9M Sell
142,164
-28,013
-16% -$4.47M ﹤0.01% 2183
2025
Q1 		$28.4M Buy
170,177
+10,149
+6% +$1.76M 0.01% 2008
2024
Q4 		$26.5M Buy
160,028
+105,346
+193% +$16.6M ﹤0.01% 2033
2024
Q3 		$7.29M Buy
54,682
+10,821
+25% +$1.26M ﹤0.01% 2684
2024
Q2 		$5.52M Buy
43,861
+109
+0.2% +$14.4K ﹤0.01% 2780
2024
Q1 		$6.42M Buy
43,752
+11,628
+36% +$1.5M ﹤0.01% 2704
2023
Q4 		$3.77M Sell
32,124
-15,944
-33% -$1.49M ﹤0.01% 3075
2023
Q3 		$4.21M Sell
48,068
-33,518
-41% -$3.9M ﹤0.01% 2744
2023
Q2 		$13.4M Sell
81,586
-13,329
-14% -$2.32M ﹤0.01% 1764
2023
Q1 		$17.5M Sell
94,915
-1,740
-2% -$294K 0.01% 1498
2022
Q4 		$14.3M Buy
96,655
+7,256
+8% +$998K 0.01% 1661
2022
Q3 		$12.6M Sell
89,399
-12,385
-12% -$1.81M 0.01% 1600
2022
Q2 		$13.3M Sell
101,784
-103,318
-50% -$13.8M 0.01% 1615
2022
Q1 		$29.9M Sell
205,102
-6,827
-3% -$1.31M 0.01% 1155
2021
Q4 		$62M Buy
211,929
+3,715
+2% +$1.06M 0.02% 833
2021
Q3 		$56.4M Sell
208,214
-38,118
-15% -$10.3M 0.02% 808
2021
Q2 		$59.7M Buy
246,332
+5,732
+2% +$1.31M 0.02% 754
2021
Q1 		$55.3M Sell
240,600
-5,700
-2% -$1.43M 0.02% 783
2020
Q4 		$66.1M Sell
246,300
-5,246
-2% -$1.31M 0.02% 652
2020
Q3 		$59.4M Buy
251,546
+55,633
+28% +$12.5M 0.02% 579
2020
Q2 		$44.7M Sell
195,913
-41,208
-17% -$9.04M 0.02% 658
2020
Q1 		$42M Sell
237,121
-91,643
-28% -$15.7M 0.02% 618
2019
Q4 		$52M Buy
328,764
+43,630
+15% +$6.56M 0.02% 760
2019
Q3 		$42.4M Buy
285,134
+685
+0.2% +$104K 0.02% 776
2019
Q2 		$42.3M Buy
284,449
+23,513
+9% +$3.23M 0.02% 757
2019
Q1 		$36.1M Buy
260,936
+64,178
+33% +$8.06M 0.01% 807
2018
Q4 		$21.1M Buy
196,758
+169,650
+626% +$18.9M 0.01% 1049
2018
Q3 		$3.38M Buy
27,108
+2,925
+12% +$324K ﹤0.01% 2714
2018
Q2 		$2.36M Buy
24,183
+13,438
+125% +$1.28M ﹤0.01% 3019
2018
Q1 		$945K Sell
10,745
-20,990
-66% -$1.83M ﹤0.01% 3756
2017
Q4 		$2.69M Buy
31,735
+16,020
+102% +$1.39M ﹤0.01% 2935
2017
Q3 		$1.36M Sell
15,715
-832
-5% -$73.6K ﹤0.01% 3447
2017
Q2 		$1.51M Buy
16,547
+4,275
+35% +$392K ﹤0.01% 3259
2017
Q1 		$1.15M Sell
12,272
-3,306
-21% -$272K ﹤0.01% 3423
2016
Q4 		$1.05M Buy
15,578
+3,277
+27% +$201K ﹤0.01% 3502
2016
Q3 		$732K Buy
12,301
+914
+8% +$51.6K ﹤0.01% 3635
2016
Q2 		$598K Sell
11,387
-7,790
-41% -$367K ﹤0.01% 3763
2016
Q1 		$802K Buy
19,177
+663
+4% +$24.9K ﹤0.01% 3433
2015
Q4 		$768K Buy
18,514
+998
+6% +$40.8K ﹤0.01% 3609
2015
Q3 		$676K Sell
17,516
-1,371
-7% -$56K ﹤0.01% 3660
2015
Q2 		$732K Buy
18,887
+2,587
+16% +$92.7K ﹤0.01% 3815
2015
Q1 		$538K Sell
16,300
-34,674
-68% -$997K ﹤0.01% 4081
2014
Q4 		$1.34M Buy
+50,974
New +$1.26M ﹤0.01% 3321

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

UBS Group's MASI Position: Q1 2026 in Review

UBS Group reduced its Masimo (MASI) stake by 22% in Q1 2026, selling an estimated $20.6M and leaving 468,257 shares worth $83.3M. The position accounts for 0.01% of the portfolio, ranked #1197.

UBS Group first reported a position in MASI in Q4 2014 and has held it in 46 quarters since. 445 funds tracked by Wall St. Rank hold MASI as of Q1 2026.

  • UBS Group held 468,257 shares of Masimo worth $83.3M as of Q1 2026.
  • UBS Group sold 131,017 Masimo shares in Q1 2026, an estimated $20.6M.
  • Masimo made up 0.01% of UBS Group's portfolio in Q1 2026, its #1197 holding.
  • UBS Group first reported a position in Masimo in Q4 2014 and has held it in 46 quarters since.
  • 445 funds tracked by Wall St. Rank held Masimo as of Q1 2026.

Based on UBS Group's 13F filing for Q1 2026, filed 5 May 2026.