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 |
|---|---|---|---|---|---|---|---|
|
Feb 14, 2024
Q4 2023
|
Scientech Research LLC
Jersey City, NJ |
BUY
|
- |
7.33KNew |
$562K - $884K
|
7.33K
$1.21M
|
|
|
Feb 14, 2024
Q4 2023
|
Nine Ten Capital Management LLC
Evanston, IL |
BUY
|
- |
164KNew |
$12.6M - $19.8M
|
164K
$27.1M
|
|
|
Feb 14, 2024
Q4 2023
|
Lighthouse Investment Partners, LLC
Palm Beach Gardens, FL |
BUY
|
- |
37.3KNew |
$2.86M - $4.5M
|
37.3K
$6.17M
|
|
|
Feb 14, 2024
Q4 2023
|
Weiss Multi Strategy Advisers LLC
New York, NY |
BUY
|
- |
2.6K+ 27.66% |
$199K - $314K
|
12K
$1.98M
|
|
|
Feb 14, 2024
Q4 2023
|
Hbk Investments L P
Dallas, TX |
SELL
|
CALL |
-350K- 63.64% |
$26.9M - $42.2M
|
200K
$33.1M
|
|
|
Feb 14, 2024
Q4 2023
|
Balyasny Asset Management LLC
Chicago, IL |
SELL
|
CALL |
-257K- 70.49% |
$19.7M - $31M
|
107K
$17.8M
|
|
|
Feb 14, 2024
Q4 2023
|
Collaborative Holdings Management LP
New York, NY |
BUY
|
- |
31KNew |
$2.38M - $3.74M
|
31K
$5.13M
|
|
|
Feb 14, 2024
Q4 2023
|
Seaport Global Advisors, LLC
Boston, MA |
BUY
|
- |
6.02K+ 554.0% |
$462K - $726K
|
7.11K
$1.18M
|
|
|
Feb 14, 2024
Q4 2023
|
Polar Asset Management Partners Inc.
Toronto, A6 |
BUY
|
- |
40.2KNew |
$3.08M - $4.85M
|
40.2K
$6.65M
|
|
|
Feb 14, 2024
Q4 2023
|
Polar Asset Management Partners Inc.
Toronto, A6 |
BUY
|
CALL |
24.3KNew |
$1.86M - $2.93M
|
24.3K
$4.02M
|
|
|
Feb 14, 2024
Q4 2023
|
Walleye Trading LLC
Plymouth, MN |
BUY
|
- |
4.64K+ 259.91% |
$356K - $560K
|
6.43K
$1.06M
|
|
|
Feb 14, 2024
Q4 2023
|
British Columbia Investment Management Corp
Victoria, A1 |
SELL
|
- |
-12K- 25.53% |
$921K - $1.45M
|
35K
$5.79M
|
|
|
Feb 14, 2024
Q4 2023
|
Hawk Ridge Capital Management LP
Los Angeles, CA |
SELL
|
- |
-225K- 39.67% |
$17.3M - $27.2M
|
343K
$56.7M
|
|
|
Feb 14, 2024
Q4 2023
|
Krensavage Asset Management, LLC
New York, NY |
BUY
|
- |
8KNew |
$614K - $965K
|
8K
$1.32M
|
|
|
Feb 14, 2024
Q4 2023
|
Readystate Asset Management LP
Chicago, IL |
BUY
|
- |
27.5KNew |
$2.11M - $3.31M
|
27.5K
$4.55M
|
|
|
Feb 13, 2024
Q4 2023
|
Bell Asset Management LTD
Melbourne, C3 |
SELL
|
- |
-35.4K- 64.62% |
$2.72M - $4.28M
|
19.4K
$3.21M
|
|
|
Feb 13, 2024
Q4 2023
|
Carmignac Gestion
Paris, I0 |
SELL
|
- |
-7.27K- 59.25% |
$558K - $877K
|
5K
$827K
|
|
|
Feb 13, 2024
Q4 2023
|
Royal London Asset Management LTD
United Kingdom, X0 |
SELL
|
- |
-1.73K- 9.13% |
$133K - $208K
|
17.2K
$2.84M
|
|
|
Feb 13, 2024
Q4 2023
|
Fairfield, Bush & Co.
Darien, CT |
BUY
|
- |
3New |
$230 - $362
|
3
$496
|
|
|
Feb 13, 2024
Q4 2023
|
Cadence Bank
Tupelo, MS |
BUY
|
- |
2.17KNew |
$167K - $262K
|
2.17K
$359K
|
|
|
Feb 12, 2024
Q4 2023
|
Transamerica Financial Advisors, Inc.
Clearwater, FL |
SELL
|
- |
-1- 50.0% |
$76.7 - $121
|
1
$165
|
|
|
Feb 09, 2024
Q4 2023
|
Aviva PLC
|
BUY
|
- |
1.71KNew |
$132K - $207K
|
1.71K
$284K
|
|
|
Feb 09, 2024
Q4 2023
|
Bnp Paribas Asset Management Holding S.A.
|
SELL
|
- |
-248K- 64.38% |
$19M - $29.9M
|
137K
$22.7M
|
|
|
Feb 09, 2024
Q4 2023
|
Sachetta, LLC
Lynnfield, MA |
BUY
|
- |
23New |
$1.76K - $2.77K
|
23
$3.8K
|
|
|
Feb 09, 2024
Q4 2023
|
Advisory Services Network, LLC
|
BUY
|
- |
857New |
$65.8K - $103K
|
857
$142K
|
|
|
Feb 09, 2024
Q4 2023
|
Glassman Wealth Services
|
BUY
|
- |
71+ 645.45% |
$5.45K - $8.56K
|
82
$13.6K
|
|
|
Feb 08, 2024
Q4 2023
|
Kiely Wealth Advisory Group, Inc.
Oak Ridge, NC |
BUY
|
- |
15New |
$1.15K - $1.81K
|
15
$2.48K
|
|
|
Feb 06, 2024
Q4 2023
|
Provence Wealth Management Group
|
SELL
|
- |
-27- 10.71% |
$2.07K - $3.26K
|
225
$37.2K
|
|
|
Feb 05, 2024
Q4 2023
|
Buckhead Capital Management LLC
|
SELL
|
- |
-150- 5.36% |
$11.5K - $18.1K
|
2.65K
$438K
|
|
|
Feb 02, 2024
Q4 2023
|
Capital Advisors, Ltd. LLC
|
BUY
|
- |
2New |
$153 - $241
|
2
$331
|
|
|
Jan 31, 2024
Q4 2023
|
Kornitzer Capital Management Inc
|
BUY
|
- |
53KNew |
$4.07M - $6.39M
|
53K
$8.77M
|
|
|
Jan 30, 2024
Q4 2023
|
Bear Mountain Capital, Inc.
Seattle, WA |
BUY
|
- |
40New |
$3.07K - $4.82K
|
40
$6.62K
|
|
|
Jan 29, 2024
Q4 2023
|
Byrne Asset Management LLC
|
BUY
|
- |
240New |
$18.4K - $28.9K
|
240
$39.7K
|
|
|
Jan 26, 2024
Q4 2023
|
Baillie Gifford & CO
|
SELL
|
- |
-5.04K- 5.53% |
$387K - $608K
|
86.2K
$14.3M
|
|
|
Jan 26, 2024
Q4 2023
|
Turtle Creek Wealth Advisors, LLC
Dallas, TX |
BUY
|
- |
21New |
$1.61K - $2.53K
|
21
$3.47K
|
|
|
Jan 26, 2024
Q4 2023
|
Janiczek Wealth Management, LLC
|
BUY
|
- |
48+ 4800.0% |
$3.68K - $5.79K
|
49
$8.11K
|
|
|
Jan 24, 2024
Q4 2023
|
Deka Bank Deutsche Girozentrale
|
BUY
|
- |
970+ 2.78% |
$74.4K - $117K
|
35.9K
$5.94M
|
|
|
Jan 23, 2024
Q4 2023
|
Farmers & Merchants Trust CO Of Chambersburg Pa
|
BUY
|
- |
89New |
$6.83K - $10.7K
|
89
$14.7K
|
|
|
Jan 17, 2024
Q4 2023
|
Laurus Investment Counsel Inc.
|
SELL
|
- |
-630- 7.55% |
$48.3K - $76K
|
7.71K
$1.28M
|
|
| Q3 2023 | |||||||
|
Jun 30, 2025
Q3 2023
|
Birchview Capital, LP
Burlington, VT |
BUY
|
- |
4K+ 35.46% |
$337K - $645K
|
15.3K
$2.53M
|
|
|
May 07, 2025
Q3 2023
|
Symmetry Investments LP
|
BUY
|
- |
30.8KNew |
$2.6M - $4.97M
|
30.8K
$5.1M
|
|
|
May 14, 2024
Q3 2023
|
Goldman Sachs Group Inc
New York, NY |
BUY
|
CALL |
40KNew |
$3.37M - $6.45M
|
40K
$6.62M
|
|
|
Jan 02, 2024
Q3 2023
|
Virginia Retirement Systems Et Al
Richmond, VA |
BUY
|
- |
2.9KNew |
$244K - $467K
|
2.9K
$480K
|
|
|
Dec 11, 2023
Q3 2023
|
Headinvest, LLC
Portland, ME |
BUY
|
- |
25New |
$2.1K - $4.03K
|
25
$4.14K
|
|
|
Nov 15, 2023
Q3 2023
|
Gts Securities LLC
New York, NY |
BUY
|
- |
3.3KNew |
$278K - $531K
|
3.3K
$545K
|
|
|
Nov 14, 2023
Q3 2023
|
Jefferies Financial Group Inc.
New York, NY |
BUY
|
CALL |
99.5KNew |
$8.37M - $16M
|
99.5K
$16.5M
|
|
|
Nov 14, 2023
Q3 2023
|
Re Dickinson Investment Advisors, LLC
Council Bluffs, IA |
SELL
|
- |
-10- 31.25% |
$842 - $1.61K
|
22
$3.64K
|
|
|
Nov 14, 2023
Q3 2023
|
Prosight Management, LP
Dallas, TX |
BUY
|
- |
40KNew |
$3.37M - $6.45M
|
40K
$6.62M
|
|
|
Nov 14, 2023
Q3 2023
|
Hudson Bay Capital Management LP
Greenwich, CT |
BUY
|
- |
143KNew |
$12M - $23M
|
143K
$23.6M
|
|
|
Nov 14, 2023
Q3 2023
|
Hbk Investments L P
Dallas, TX |
BUY
|
- |
295KNew |
$24.8M - $47.5M
|
295K
$48.8M
|
|