HighTower Advisors
MASI

HighTower Advisors’s Masimo MASI Stock Holding History

HighTower Advisors’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 		$894K Buy
5,024
+1,277
+34% +$200K ﹤0.01% 2268
2025
Q4 		$487K Sell
3,747
-406
-10% -$58.1K ﹤0.01% 2645
2025
Q3 		$613K Buy
4,153
+264
+7% +$40K ﹤0.01% 2449
2025
Q2 		$654K Sell
3,889
-661
-15% -$106K ﹤0.01% 2315
2025
Q1 		$758K Sell
4,550
-2,263
-33% -$393K ﹤0.01% 2157
2024
Q4 		$1.13M Buy
6,813
+2,003
+42% +$316K ﹤0.01% 1883
2024
Q3 		$640K Sell
4,810
-408
-8% -$47.3K ﹤0.01% 2215
2024
Q2 		$670K Buy
5,218
+591
+13% +$77.8K ﹤0.01% 2114
2024
Q1 		$685K Buy
4,627
+1,555
+51% +$201K ﹤0.01% 2057
2023
Q4 		$359K Sell
3,072
-187
-6% -$17.4K ﹤0.01% 2580
2023
Q3 		$285K Sell
3,259
-1,177
-27% -$137K ﹤0.01% 2638
2023
Q2 		$727K Buy
4,436
+2,298
+107% +$400K ﹤0.01% 1950
2023
Q1 		$395K Buy
2,138
+72
+3% +$12.1K ﹤0.01% 2267
2022
Q4 		$306K Sell
2,066
-393
-16% -$54.1K ﹤0.01% 2450
2022
Q3 		$348K Buy
2,459
+275
+13% +$40.2K ﹤0.01% 2252
2022
Q2 		$286K Buy
2,184
+472
+28% +$63.1K ﹤0.01% 2396
2022
Q1 		$248K Sell
1,712
-2,283
-57% -$438K ﹤0.01% 2670
2021
Q4 		$1.17M Sell
3,995
-7,019
-64% -$2M ﹤0.01% 1685
2021
Q3 		$2.98M Buy
11,014
+151
+1% +$40.9K 0.01% 1053
2021
Q2 		$2.64M Buy
10,863
+675
+7% +$154K 0.01% 1084
2021
Q1 		$2.34M Buy
10,188
+270
+3% +$67.8K 0.01% 1053
2020
Q4 		$2.66M Sell
9,918
-419
-4% -$104K 0.01% 791
2020
Q3 		$2.44M Buy
10,337
+563
+6% +$126K 0.01% 809
2020
Q2 		$2.23M Buy
+9,774
New +$2.15M 0.01% 769
2016
Q1 		– Sell
-14,515
Closed -$600K – 2146
2015
Q4 		$600K Buy
14,515
+468
+3% +$19.1K 0.01% 1224
2015
Q3 		$540K Sell
14,047
-5,630
-29% -$230K 0.01% 1172
2015
Q2 		$763K Buy
+19,677
New +$705K 0.01% 863

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

HighTower Advisors's MASI Position: Q1 2026 in Review

HighTower Advisors increased its Masimo (MASI) stake by 34% in Q1 2026, buying an estimated $200K and bringing the position to 5,024 shares worth $894K. The position accounts for ﹤0.01% of the portfolio, ranked #2268.

HighTower Advisors first reported a position in MASI in Q2 2015 and has held it in 27 quarters since. The position peaked at $2.98M in Q3 2021. 445 funds tracked by Wall St. Rank hold MASI as of Q1 2026.

  • HighTower Advisors held 5,024 shares of Masimo worth $894K as of Q1 2026.
  • HighTower Advisors bought 1,277 Masimo shares in Q1 2026, an estimated $200K.
  • Masimo made up ﹤0.01% of HighTower Advisors's portfolio in Q1 2026, its #2268 holding.
  • HighTower Advisors first reported a position in Masimo in Q2 2015 and has held it in 27 quarters since.
  • HighTower Advisors's Masimo position peaked at $2.98M in Q3 2021.
  • 445 funds tracked by Wall St. Rank held Masimo as of Q1 2026.

Based on HighTower Advisors's 13F filing for Q1 2026, filed 5 May 2026.