Charles Schwab’s Masimo MASI Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $68.8M | Buy |
386,898
+25,002
| +7% | +$3.92M | 0.01% | 939 |
|
|
2025
Q4 | $47.1M | Sell |
361,896
-2,561
| -0.7% | -$367K | 0.01% | 1195 |
|
|
2025
Q3 | $53.8M | Sell |
364,457
-6,277
| -2% | -$950K | 0.01% | 1120 |
|
|
2025
Q2 | $62.4M | Sell |
370,734
-6,336
| -2% | -$1.01M | 0.01% | 962 |
|
|
2025
Q1 | $62.8M | Sell |
377,070
-766
| -0.2% | -$133K | 0.01% | 912 |
|
|
2024
Q4 | $62.5M | Buy |
377,836
+7,808
| +2% | +$1.23M | 0.01% | 970 |
|
|
2024
Q3 | $49.3M | Sell |
370,028
-23,260
| -6% | -$2.7M | 0.01% | 1133 |
|
|
2024
Q2 | $49.5M | Buy |
393,288
+14,913
| +4% | +$1.96M | 0.01% | 1086 |
|
|
2024
Q1 | $55.6M | Buy |
378,375
+10,334
| +3% | +$1.33M | 0.01% | 967 |
|
|
2023
Q4 | $43.1M | Buy |
368,041
+20,519
| +6% | +$1.91M | 0.01% | 1089 |
|
|
2023
Q3 | $30.5M | Sell |
347,522
-9,612
| -3% | -$1.12M | 0.01% | 1219 |
|
|
2023
Q2 | $58.8M | Sell |
357,134
-740
| -0.2% | -$129K | 0.02% | 766 |
|
|
2023
Q1 | $66M | Buy |
357,874
+4,227
| +1% | +$713K | 0.02% | 652 |
|
|
2022
Q4 | $52.3M | Buy |
353,647
+20,025
| +6% | +$2.76M | 0.02% | 778 |
|
|
2022
Q3 | $47.1M | Sell |
333,622
-1,800
| -0.5% | -$263K | 0.02% | 797 |
|
|
2022
Q2 | $43.8M | Buy |
335,422
+18,310
| +6% | +$2.45M | 0.02% | 836 |
|
|
2022
Q1 | $46.2M | Buy |
317,112
+14,692
| +5% | +$2.82M | 0.01% | 929 |
|
|
2021
Q4 | $88.5M | Buy |
302,420
+8,649
| +3% | +$2.46M | 0.03% | 587 |
|
|
2021
Q3 | $79.5M | Buy |
293,771
+10,765
| +4% | +$2.92M | 0.03% | 597 |
|
|
2021
Q2 | $68.6M | Buy |
283,006
+9,135
| +3% | +$2.08M | 0.02% | 667 |
|
|
2021
Q1 | $62.9M | Sell |
273,871
-379
| -0.1% | -$95.2K | 0.02% | 686 |
|
|
2020
Q4 | $73.6M | Buy |
274,250
+1,052
| +0.4% | +$262K | 0.03% | 562 |
|
|
2020
Q3 | $64.5M | Buy |
273,198
+2,451
| +0.9% | +$549K | 0.03% | 521 |
|
|
2020
Q2 | $61.7M | Sell |
270,747
-5,649
| -2% | -$1.24M | 0.03% | 536 |
|
|
2020
Q1 | $49M | Buy |
276,396
+7,192
| +3% | +$1.23M | 0.03% | 533 |
|
|
2019
Q4 | $42.6M | Buy |
269,204
+1,852
| +0.7% | +$278K | 0.02% | 713 |
|
|
2019
Q3 | $39.8M | Sell |
267,352
-76,343
| -22% | -$11.6M | 0.02% | 711 |
|
|
2019
Q2 | $51.1M | Buy |
343,695
+2,520
| +0.7% | +$346K | 0.03% | 552 |
|
|
2019
Q1 | $47.2M | Buy |
341,175
+20,734
| +6% | +$2.6M | 0.03% | 572 |
|
|
2018
Q4 | $34.4M | Buy |
320,441
+2,689
| +0.8% | +$300K | 0.03% | 625 |
|
|
2018
Q3 | $39.6M | Buy |
317,752
+18,456
| +6% | +$2.05M | 0.03% | 653 |
|
|
2018
Q2 | $29.2M | Sell |
299,296
-62,065
| -17% | -$5.9M | 0.02% | 808 |
|
|
2018
Q1 | $31.8M | Sell |
361,361
-10,583
| -3% | -$922K | 0.02% | 707 |
|
|
2017
Q4 | $31.5M | Sell |
371,944
-15,287
| -4% | -$1.33M | 0.03% | 667 |
|
|
2017
Q3 | $33.5M | Sell |
387,231
-30,064
| -7% | -$2.66M | 0.03% | 590 |
|
|
2017
Q2 | $38M | Sell |
417,295
-27,206
| -6% | -$2.5M | 0.04% | 499 |
|
|
2017
Q1 | $41.5M | Buy |
444,501
+232,955
| +110% | +$19.2M | 0.04% | 436 |
|
|
2016
Q4 | $14.3M | Buy |
211,546
+6,505
| +3% | +$400K | 0.02% | 996 |
|
|
2016
Q3 | $12.2M | Buy |
205,041
+10,118
| +5% | +$571K | 0.01% | 1020 |
|
|
2016
Q2 | $10.2M | Buy |
194,923
+3,586
| +2% | +$169K | 0.01% | 1047 |
|
|
2016
Q1 | $8.01M | Buy |
191,337
+3,740
| +2% | +$141K | 0.01% | 1198 |
|
|
2015
Q4 | $7.79M | Buy |
187,597
+1,023
| +0.5% | +$41.8K | 0.01% | 1192 |
|
|
2015
Q3 | $7.2M | Sell |
186,574
-2,074
| -1% | -$84.7K | 0.01% | 1201 |
|
|
2015
Q2 | $7.31M | Buy |
188,648
+11,328
| +6% | +$406K | 0.01% | 1278 |
|
|
2015
Q1 | $5.85M | Buy |
177,320
+20,146
| +13% | +$579K | 0.01% | 1398 |
|
|
2014
Q4 | $4.14M | Sell |
157,174
-8,772
| -5% | -$216K | 0.01% | 1572 |
|
|
2014
Q3 | $3.53M | Buy |
165,946
+5,071
| +3% | +$116K | 0.01% | 1634 |
|
|
2014
Q2 | $3.8M | Buy |
160,875
+2,418
| +2% | +$60K | 0.01% | 1599 |
|
|
2014
Q1 | $4.33M | Buy |
158,457
+11,176
| +8% | +$319K | 0.01% | 1449 |
|
|
2013
Q4 | $4.31M | Buy |
147,281
+5,603
| +4% | +$157K | 0.01% | 1390 |
|
|
2013
Q3 | $3.87M | Buy |
141,678
+6,295
| +5% | +$155K | 0.01% | 1378 |
|
|
2013
Q2 | $2.94M | Buy |
+135,383
| New | +$2.85M | 0.01% | 1474 |
|
Other funds holding MASI
PCM
PCM
HI
VCM
VPM
Charles Schwab's MASI Position: Q1 2026 in Review
Charles Schwab increased its Masimo (MASI) stake by 6.9% in Q1 2026, buying an estimated $3.92M and bringing the position to 386,898 shares worth $68.8M. The position accounts for 0.01% of the portfolio, ranked #939.
Charles Schwab first reported a position in MASI in Q2 2013 and has held it in 52 quarters since. The position peaked at $88.5M in Q4 2021. 445 funds tracked by Wall St. Rank hold MASI as of Q1 2026.
- Charles Schwab held 386,898 shares of Masimo worth $68.8M as of Q1 2026.
- Charles Schwab bought 25,002 Masimo shares in Q1 2026, an estimated $3.92M.
- Masimo made up 0.01% of Charles Schwab's portfolio in Q1 2026, its #939 holding.
- Charles Schwab first reported a position in Masimo in Q2 2013 and has held it in 52 quarters since.
- Charles Schwab's Masimo position peaked at $88.5M in Q4 2021.
- 445 funds tracked by Wall St. Rank held Masimo as of Q1 2026.
Based on Charles Schwab's 13F filing for Q1 2026, filed 15 May 2026.