O'Shaughnessy Asset Management’s Masimo MASI Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q2 | – | Sell |
-2,691
| Closed | -$479K | – | 2759 |
|
|
2026
Q1 | $479K | Buy |
2,691
+929
| +53% | +$146K | ﹤0.01% | 1552 |
|
|
2025
Q4 | $229K | Buy |
1,762
+270
| +18% | +$38.7K | ﹤0.01% | 1921 |
|
|
2025
Q3 | $220K | Sell |
1,492
-257
| -15% | -$38.9K | ﹤0.01% | 1918 |
|
|
2025
Q2 | $294K | Buy |
1,749
+114
| +7% | +$18.2K | ﹤0.01% | 1644 |
|
|
2025
Q1 | $272K | Sell |
1,635
-29,740
| -95% | -$5.16M | ﹤0.01% | 1638 |
|
|
2024
Q4 | $5.19M | Buy |
+31,375
| New | +$4.95M | 0.04% | 402 |
|
|
2021
Q4 | – | Sell |
-232
| Closed | -$63K | – | 1947 |
|
|
2021
Q3 | $63K | Buy |
232
+103
| +80% | +$27.9K | ﹤0.01% | 1555 |
|
|
2021
Q2 | $31K | Hold |
129
| – | – | ﹤0.01% | 1723 |
|
|
2021
Q1 | $30K | Hold |
129
| – | – | ﹤0.01% | 1551 |
|
|
2020
Q4 | $35K | Buy |
129
+4
| +3% | +$998 | ﹤0.01% | 1321 |
|
|
2020
Q3 | $30K | Sell |
125
-312
| -71% | -$69.9K | ﹤0.01% | 1190 |
|
|
2020
Q2 | $100K | Buy |
437
+116
| +36% | +$25.5K | ﹤0.01% | 842 |
|
|
2020
Q1 | $57K | Sell |
321
-103
| -24% | -$17.7K | ﹤0.01% | 757 |
|
|
2019
Q4 | $67K | Sell |
424
-92
| -18% | -$13.8K | ﹤0.01% | 896 |
|
|
2019
Q3 | $77K | Buy |
+516
| New | +$78.4K | ﹤0.01% | 682 |
|
|
2018
Q2 | – | Sell |
-6,141
| Closed | -$540K | – | 952 |
|
|
2018
Q1 | $540K | Sell |
6,141
-8,643
| -58% | -$753K | 0.01% | 340 |
|
|
2017
Q4 | $1.25M | Sell |
14,784
-18,674
| -56% | -$1.62M | 0.03% | 255 |
|
|
2017
Q3 | $2.9M | Sell |
33,458
-5,342
| -14% | -$472K | 0.07% | 157 |
|
|
2017
Q2 | $3.54M | Buy |
38,800
+26,852
| +225% | +$2.47M | 0.08% | 148 |
|
|
2017
Q1 | $1.11M | Buy |
11,948
+1,909
| +19% | +$157K | 0.03% | 273 |
|
|
2016
Q4 | $677K | Sell |
10,039
-8,784
| -47% | -$540K | 0.02% | 315 |
|
|
2016
Q3 | $1.12M | Buy |
18,823
+3,148
| +20% | +$178K | 0.03% | 259 |
|
|
2016
Q2 | $823K | Sell |
15,675
-7,521
| -32% | -$354K | 0.02% | 286 |
|
|
2016
Q1 | $946K | Sell |
23,196
-1,380
| -6% | -$51.9K | 0.02% | 277 |
|
|
2015
Q4 | $1.02M | Buy |
24,576
+2,989
| +14% | +$122K | 0.03% | 286 |
|
|
2015
Q3 | $832K | Buy |
21,587
+17,382
| +413% | +$710K | 0.02% | 324 |
|
|
2015
Q2 | $163K | Buy |
+4,205
| New | +$151K | ﹤0.01% | 541 |
|
|
2015
Q1 | – | Sell |
-19,075
| Closed | -$499K | – | 1082 |
|
|
2014
Q4 | $499K | Sell |
19,075
-12,440
| -39% | -$307K | 0.01% | 411 |
|
|
2014
Q3 | $669K | Sell |
31,515
-3,278
| -9% | -$74.8K | 0.01% | 380 |
|
|
2014
Q2 | $821K | Sell |
34,793
-579
| -2% | -$14.4K | 0.02% | 355 |
|
|
2014
Q1 | $964K | Buy |
35,372
+22,438
| +173% | +$640K | 0.02% | 325 |
|
|
2013
Q4 | $378K | Buy |
+12,934
| New | +$362K | 0.01% | 458 |
|
Other funds holding MASI
O'Shaughnessy Asset Management's MASI Position: Q2 2026 in Review
O'Shaughnessy Asset Management sold out of Masimo (MASI) in Q2 2026, closing a stake of 2,691 shares — an estimated $479K sold.
O'Shaughnessy Asset Management first reported a position in MASI in Q4 2013 and held it in 32 quarters. The position peaked at $5.19M in Q4 2024. 2 funds tracked by Wall St. Rank hold MASI as of Q2 2026.
- O'Shaughnessy Asset Management reported no remaining Masimo position as of Q2 2026 after selling out during the quarter.
- O'Shaughnessy Asset Management sold 2,691 Masimo shares in Q2 2026, an estimated $479K.
- O'Shaughnessy Asset Management first reported a position in Masimo in Q4 2013 and held it in 32 quarters.
- O'Shaughnessy Asset Management's Masimo position peaked at $5.19M in Q4 2024.
- 2 funds tracked by Wall St. Rank held Masimo as of Q2 2026.
Based on O'Shaughnessy Asset Management's 13F filing for Q2 2026, filed 13 Aug 2026.