Latest Institutional Transactions on Masimo Corp (MASI)
This table provides information on the latest institutional transactions involving Masimo Corp (MASI) stock. The table includes the name of the institution, the type of operation (buy or sell), whether options were involved, the number of shares exchanged, the range of values for the transaction, and the number of shares held by the institution after the transaction has occurred.
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
Jan 23, 2026
Q4 2025
|
Westside Investment Management, Inc.
|
BUY
|
- |
14New |
$1.97K - $2.15K
|
14
$2.12K
|
|
|
Jan 23, 2026
Q4 2025
|
Sumitomo Mitsui Trust Holdings, Inc.
|
SELL
|
- |
-383K- 96.33% |
$53.8M - $58.8M
|
14.6K
$2.2M
|
|
|
Jan 23, 2026
Q4 2025
|
State Of Alaska, Department Of Revenue
|
SELL
|
- |
-445- 8.82% |
$62.6K - $68.4K
|
4.6K
$695K
|
|
|
Jan 23, 2026
Q4 2025
|
Assetmark, Inc
|
BUY
|
- |
97+ 5.53% |
$13.6K - $14.9K
|
1.85K
$280K
|
|
|
Jan 23, 2026
Q4 2025
|
Farther Finance Advisors, LLC
San Francisco, CA |
BUY
|
- |
1.07K+ 99.63% |
$150K - $164K
|
2.14K
$324K
|
|
|
Jan 21, 2026
Q4 2025
|
Flagship Harbor Advisors, LLC
|
BUY
|
- |
111New |
$15.6K - $17.1K
|
111
$16.8K
|
|
|
Jan 21, 2026
Q4 2025
|
Sjs Investment Consulting Inc.
Sylvania, OH |
BUY
|
- |
41+ 30.37% |
$5.77K - $6.3K
|
176
$26.6K
|
|
|
Jan 21, 2026
Q4 2025
|
Yousif Capital Management, LLC
|
SELL
|
- |
-356- 2.39% |
$50.1K - $54.7K
|
14.5K
$2.2M
|
|
|
Jan 20, 2026
Q4 2025
|
Harbor Capital Advisors, Inc.
|
SELL
|
- |
-333- 3.35% |
$46.8K - $51.2K
|
9.6K
$1.45M
|
|
|
Jan 20, 2026
Q4 2025
|
Signaturefd, LLC
Atlanta, GA |
BUY
|
- |
26+ 6.81% |
$3.66K - $4K
|
408
$61.7K
|
|
|
Jan 16, 2026
Q4 2025
|
Tema Etfs LLC
New York, NY |
SELL
|
- |
-140- 3.12% |
$19.7K - $21.5K
|
4.34K
$656K
|
|
|
Jan 16, 2026
Q4 2025
|
Ronald Blue Trust, Inc.
Brentwood, TN |
SELL
|
- |
-34- 10.0% |
$4.78K - $5.23K
|
306
$46.2K
|
|
|
Jan 16, 2026
Q4 2025
|
Louisiana State Employees Retirement System
|
SELL
|
- |
-300- 2.33% |
$42.2K - $46.1K
|
12.6K
$1.9M
|
|
|
Jan 15, 2026
Q4 2025
|
Retirement Systems Of Alabama
|
SELL
|
- |
-1.04K- 1.86% |
$146K - $159K
|
54.8K
$8.28M
|
|
|
Jan 15, 2026
Q4 2025
|
Westmount Partners, LLC
Los Angeles, CA |
SELL
|
- |
-1.63K- 6.32% |
$230K - $251K
|
24.2K
$3.66M
|
|
|
Jan 15, 2026
Q4 2025
|
Di Nuzzo Private Wealth, Inc.
Beaver, PA |
SELL
|
- |
-1- 16.67% |
$141 - $154
|
5
$756
|
|
|
Jan 14, 2026
Q4 2025
|
Exchange Traded Concepts, LLC
|
BUY
|
- |
772+ 17.83% |
$109K - $119K
|
5.1K
$771K
|
|
|
Jan 12, 2026
Q4 2025
|
Orser Capital Management, LLC
|
BUY
|
- |
2.45KNew |
$345K - $377K
|
2.45K
$370K
|
|
|
Jan 09, 2026
Q4 2025
|
Assenagon Asset Management S.A.
|
BUY
|
- |
51.1K+ 2078.47% |
$7.18M - $7.85M
|
53.5K
$8.09M
|
|
|
Jan 09, 2026
Q4 2025
|
Sg Americas Securities, LLC
|
BUY
|
- |
7.51K+ 84.2% |
$1.06M - $1.15M
|
16.4K
$2.48M
|
|
|
Jan 08, 2026
Q4 2025
|
Nordea Investment Management Ab
Stockholm, V7 |
SELL
|
- |
-4.18K- 12.86% |
$588K - $643K
|
28.3K
$4.28M
|
|
|
Jan 08, 2026
Q4 2025
|
North Crest Asset Manangement, LLC
|
BUY
|
- |
3.13KNew |
$441K - $482K
|
3.13K
$473K
|
|
|
Jan 08, 2026
Q4 2025
|
Wealth Enhancement Advisory Services, LLC
|
BUY
|
- |
9.42K+ 483.73% |
$1.33M - $1.45M
|
11.4K
$1.72M
|
|
|
Jan 08, 2026
Q4 2025
|
Versant Capital Management, Inc
|
SELL
|
- |
-44- 61.97% |
$6.19K - $6.76K
|
27
$4.08K
|
|
|
Jan 08, 2026
Q4 2025
|
True Wealth Design, LLC
Akron, OH |
SELL
|
- |
-5- 5.62% |
$703 - $769
|
84
$12.7K
|
|
|
Jan 08, 2026
Q4 2025
|
180 Wealth Advisors, LLC
|
BUY
|
- |
42+ 1.6% |
$5.91K - $6.46K
|
2.66K
$402K
|
|
|
Jan 08, 2026
Q4 2025
|
Zrc Wealth Management, LLC
Santa Rosa, CA |
SELL
|
- |
-6- 50.0% |
$844 - $922
|
6
$907
|
|
|
Jan 07, 2026
Q4 2025
|
Harbor Investment Advisory, LLC
|
SELL
|
- |
-375- 37.54% |
$52.7K - $57.6K
|
624
$94.3K
|
|
|
Jan 06, 2026
Q4 2025
|
Nelson, Van Denburg & Campbell Wealth Management Group, LLC
Omaha, NE |
SELL
|
- |
-15- 0.39% |
$2.11K - $2.31K
|
3.8K
$574K
|
|
|
Jan 02, 2026
Q4 2025
|
Gamma Investing LLC
Foster City, CA |
SELL
|
- |
-221- 43.85% |
$31.1K - $34K
|
283
$42.8K
|
|
| Q3 2025 | |||||||
|
Dec 02, 2025
Q3 2025
|
Ifp Advisors, Inc
|
BUY
|
- |
0New |
$0 - $0
|
0
$0
|
|
|
Dec 02, 2025
Q3 2025
|
Allworth Financial LP
|
BUY
|
- |
518+ 133.85% |
$70.8K - $88.8K
|
905
$137K
|
|
|
Nov 21, 2025
Q3 2025
|
Cibc Private Wealth Group, LLC
|
SELL
|
- |
-222- 93.67% |
$30.4K - $38K
|
15
$2.27K
|
|
|
Nov 20, 2025
Q3 2025
|
Bryn Mawr Trust CO
Bryn Mawr, PA |
SELL
|
- |
-81- 0.9% |
$11.1K - $13.9K
|
8.9K
$1.34M
|
|
|
Nov 19, 2025
Q3 2025
|
Danske Bank A/S
Copenhagen K, G7 |
BUY
|
- |
400New |
$54.7K - $68.5K
|
400
$60.4K
|
|
|
Nov 19, 2025
Q3 2025
|
Coldstream Capital Management Inc
|
BUY
|
- |
391+ 17.17% |
$53.5K - $67K
|
2.67K
$403K
|
|
|
Nov 18, 2025
Q3 2025
|
Pictet Asset Management Holding Sa
Carouge, V8 |
BUY
|
- |
162+ 2.43% |
$22.2K - $27.8K
|
6.84K
$1.03M
|
|
|
Nov 18, 2025
Q3 2025
|
Advisory Services Network, LLC
|
BUY
|
- |
315New |
$43.1K - $54K
|
315
$47.6K
|
|
|
Nov 17, 2025
Q3 2025
|
Great West Life Assurance CO
Winnipeg, A2 |
BUY
|
- |
1K+ 3.83% |
$137K - $171K
|
27.1K
$4.1M
|
|
|
Nov 17, 2025
Q3 2025
|
Dark Forest Capital Management LP
Weston, CT |
BUY
|
- |
10KNew |
$1.37M - $1.71M
|
10K
$1.51M
|
|
|
Nov 14, 2025
Q3 2025
|
Polymer Capital Management (Us) LLC
New York, NY |
BUY
|
- |
5.88KNew |
$804K - $1.01M
|
5.88K
$888K
|
|
|
Nov 14, 2025
Q3 2025
|
Nbc Securities, Inc.
Birmingham, AL |
SELL
|
- |
-142- 38.59% |
$19.4K - $24.3K
|
226
$34.2K
|
|
|
Nov 14, 2025
Q3 2025
|
M&T Bank Corp
|
BUY
|
- |
248+ 8.99% |
$33.9K - $42.5K
|
3.01K
$454K
|
|
|
Nov 14, 2025
Q3 2025
|
State Of Wisconsin Investment Board
Madison, WI |
BUY
|
- |
94+ 0.43% |
$12.9K - $16.1K
|
21.7K
$3.29M
|
|
|
Nov 14, 2025
Q3 2025
|
Gluskin Sheff & Assoc Inc
Toronto, A6 |
BUY
|
- |
19.7K+ 239.53% |
$2.69M - $3.38M
|
27.9K
$4.22M
|
|
|
Nov 14, 2025
Q3 2025
|
Wetherby Asset Management Inc
San Francisco, CA |
BUY
|
- |
46+ 1.01% |
$6.29K - $7.88K
|
4.6K
$696K
|
|
|
Nov 14, 2025
Q3 2025
|
Isam Funds (Uk) LTD
London, X0 |
BUY
|
- |
699New |
$95.6K - $120K
|
699
$106K
|
|
|
Nov 14, 2025
Q3 2025
|
Northwestern Mutual Wealth Management CO
|
BUY
|
- |
1+ 0.66% |
$137 - $171
|
153
$23.1K
|
|
|
Nov 14, 2025
Q3 2025
|
State Street Corp
Boston, MA |
SELL
|
- |
-1.92K- 0.13% |
$263K - $329K
|
1.48M
$224M
|
|
|
Nov 14, 2025
Q3 2025
|
Squarepoint Ops LLC
New York, NY |
BUY
|
- |
547K+ 738.79% |
$74.8M - $93.7M
|
621K
$93.8M
|
|