MASIMO CORP - Common Stock, $0.0001 par value (MASI)

Historical Holders from Q1 2014 to Q3 2025

Symbol
MASI on Nasdaq
Type / Class
Equity / Common Stock, $0.0001 par value
Shares outstanding
57.4M
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares, excl. options
56.2M
Holdings value
$8.29B
% of all portfolios
0.011%
Grand Portfolio weight change
0%
Number of holders
349
Number of buys
159
Number of sells
-187
Average Value change %
0%
Average buys %
+0.001%
Average sells %
-0.002%
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of MASIMO CORP - Common Stock, $0.0001 par value (MASI)

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
FMR LLC 15% $1.32B 8.03M FMR LLC 31 Dec 2024
KIANI JOE E 11.1% -2.73% $941M -$30.6M 6.38M -3.15% Joe Kiani 30 Sep 2025
BlackRock Portfolio Management LLC 10.3% $907M 5.54M BlackRock Portfolio Management LLC 28 Feb 2025
BlackRock, Inc. 7.9% $693M 4.23M BlackRock, Inc. 31 Jan 2025

Institutional Holders of MASIMO CORP - Common Stock, $0.0001 par value (MASI)

Period Reported Shares, Excl. Options Value, Excl. Options Change Price Investors
2025 Q3 56.2M $8.29B -$248M $147.55 349
2025 Q2 57.5M $9.68B +$566M $168.22 375
2025 Q1 54.2M $9.03B +$449M $166.60 389
2024 Q4 51.4M $8.5B +$221M $165.30 362
2024 Q3 50.4M $6.72B +$196M $133.33 357
2024 Q2 49.5M $6.24B -$290M $125.94 350
2024 Q1 51.6M $7.58B +$54.9M $146.85 330
2023 Q4 50.3M $5.9B +$430M $117.21 333
2023 Q3 47.6M $4.17B -$49.4M $87.68 349
2023 Q2 45.9M $7.56B +$147M $164.55 406
2023 Q1 45M $8.3B +$131M $184.54 422
2022 Q4 44.4M $6.58B -$261M $147.95 399
2022 Q3 46.4M $6.55B +$305M $141.16 405
2022 Q2 44.3M $5.81B -$135M $130.67 394
2022 Q1 45.3M $6.59B -$701M $145.54 435
2021 Q4 46.3M $13.5B -$6.63M $292.78 502
2021 Q3 46.3M $12.5B +$160M $270.71 457
2021 Q2 45.8M $11.1B +$304M $242.45 447
2021 Q1 45M $10.3B -$155M $229.66 469
2020 Q4 46.1M $12.4B +$118M $268.38 480
2020 Q3 45.5M $10.7B -$427K $236.06 449
2020 Q2 45.6M $10.4B -$45.3M $227.99 467
2020 Q1 45.9M $8.14B +$51.8M $177.12 394
2019 Q4 44.9M $7.1B +$134M $158.06 376
2019 Q3 44.1M $6.55B -$26.5M $148.79 387
2019 Q2 44.3M $6.58B +$87.3M $148.82 380
2019 Q1 44.4M $6.14B +$95.4M $138.28 397
2018 Q4 43.9M $4.72B +$4.67M $107.37 362
2018 Q3 43.8M $5.45B +$30.6M $124.54 347
2018 Q2 43.7M $4.27B +$9.24M $97.65 334
2018 Q1 43.6M $3.83B +$188M $87.95 319
2017 Q4 43.9M $3.72B -$102M $84.80 333
2017 Q3 44M $3.8B -$1.7M $86.56 316
2017 Q2 44M $4.01B +$119M $91.18 330
2017 Q1 42.7M $3.98B +$843M $93.26 363
2016 Q4 40.4M $2.73B -$2.88M $67.40 308
2016 Q3 40.6M $2.41B +$66.4M $59.49 290
2016 Q2 39.5M $2.07B +$7.16M $52.51 261
2016 Q1 39.7M $1.66B -$7.45M $41.84 223
2015 Q4 39.9M $1.65B -$19.3M $41.51 234
2015 Q3 40.4M $1.56B -$10.2M $38.56 216
2015 Q2 40.9M $1.58B -$59.6M $38.74 198
2015 Q1 42.2M $1.39B +$18.6M $32.98 174
2014 Q4 42M $1.11B -$9.24M $26.34 177
2014 Q3 43M $916M -$56.3M $21.28 166
2014 Q2 45.4M $1.07B -$84.8M $23.60 176
2014 Q1 48.5M $1.33B +$23.7M $27.31 168