Primecap Management’s OSI Systems OSIS Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q2 | $56.5M | Buy |
258,180
+13,520
| +6% | +$3.31M | 0.03% | 198 |
|
|
2026
Q1 | $65M | Sell |
244,660
-23,050
| -9% | -$6.37M | 0.05% | 178 |
|
|
2025
Q4 | $68.3M | Sell |
267,710
-38,920
| -13% | -$10.2M | 0.05% | 180 |
|
|
2025
Q3 | $76.4M | Sell |
306,630
-14,790
| -5% | -$3.38M | 0.06% | 172 |
|
|
2025
Q2 | $72.3M | Sell |
321,420
-12,910
| -4% | -$2.76M | 0.06% | 170 |
|
|
2025
Q1 | $65M | Buy |
334,330
+36,620
| +12% | +$6.98M | 0.05% | 163 |
|
|
2024
Q4 | $49.8M | Buy |
297,710
+3,210
| +1% | +$509K | 0.04% | 189 |
|
|
2024
Q3 | $44.7M | Buy |
294,500
+13,880
| +5% | +$2M | 0.03% | 197 |
|
|
2024
Q2 | $38.6M | Sell |
280,620
-12,480
| -4% | -$1.72M | 0.03% | 200 |
|
|
2024
Q1 | $41.9M | Buy |
293,100
+7,900
| +3% | +$1.04M | 0.03% | 197 |
|
|
2023
Q4 | $36.8M | Buy |
285,200
+6,210
| +2% | +$739K | 0.03% | 201 |
|
|
2023
Q3 | $32.9M | Sell |
278,990
-11,360
| -4% | -$1.37M | 0.03% | 200 |
|
|
2023
Q2 | $34.2M | Sell |
290,350
-3,990
| -1% | -$458K | 0.03% | 201 |
|
|
2023
Q1 | $30.1M | Buy |
294,340
+1,030
| +0.4% | +$95.4K | 0.03% | 204 |
|
|
2022
Q4 | $23.3M | Sell |
293,310
-10,790
| -4% | -$878K | 0.02% | 211 |
|
|
2022
Q3 | $21.9M | Sell |
304,100
-8,700
| -3% | -$762K | 0.02% | 210 |
|
|
2022
Q2 | $26.7M | Sell |
312,800
-11,160
| -3% | -$916K | 0.02% | 200 |
|
|
2022
Q1 | $27.6M | Sell |
323,960
-12,670
| -4% | -$1.06M | 0.02% | 217 |
|
|
2021
Q4 | $31.4M | Sell |
336,630
-33,270
| -9% | -$3.12M | 0.02% | 214 |
|
|
2021
Q3 | $35.1M | Sell |
369,900
-10,050
| -3% | -$979K | 0.02% | 209 |
|
|
2021
Q2 | $38.6M | Sell |
379,950
-2,900
| -0.8% | -$282K | 0.03% | 208 |
|
|
2021
Q1 | $36.8M | Buy |
382,850
+33,450
| +10% | +$3.17M | 0.03% | 206 |
|
|
2020
Q4 | $32.6M | Sell |
349,400
-4,900
| -1% | -$419K | 0.02% | 207 |
|
|
2020
Q3 | $27.5M | Buy |
354,300
+84,200
| +31% | +$6.28M | 0.02% | 202 |
|
|
2020
Q2 | $20.2M | Buy |
270,100
+28,400
| +12% | +$2.07M | 0.02% | 204 |
|
|
2020
Q1 | $16.7M | Buy |
241,700
+5,600
| +2% | +$479K | 0.02% | 199 |
|
|
2019
Q4 | $23.8M | Hold |
236,100
| – | – | 0.02% | 203 |
|
|
2019
Q3 | $24M | Buy |
236,100
+500
| +0.2% | +$54K | 0.02% | 196 |
|
|
2019
Q2 | $26.5M | Sell |
235,600
-23,100
| -9% | -$2.33M | 0.02% | 206 |
|
|
2019
Q1 | $22.7M | Sell |
258,700
-15,000
| -5% | -$1.26M | 0.02% | 210 |
|
|
2018
Q4 | $20.1M | Sell |
273,700
-2,000
| -0.7% | -$144K | 0.02% | 208 |
|
|
2018
Q3 | $21M | Sell |
275,700
-26,200
| -9% | -$2.03M | 0.01% | 220 |
|
|
2018
Q2 | $23.3M | Sell |
301,900
-7,381
| -2% | -$515K | 0.02% | 209 |
|
|
2018
Q1 | $20.2M | Sell |
309,281
-82,219
| -21% | -$5.34M | 0.02% | 212 |
|
|
2017
Q4 | $25.2M | Sell |
391,500
-32,800
| -8% | -$2.76M | 0.02% | 195 |
|
|
2017
Q3 | $38.8M | Sell |
424,300
-4,500
| -1% | -$366K | 0.03% | 183 |
|
|
2017
Q2 | $32.2M | Buy |
428,800
+26,000
| +6% | +$1.97M | 0.03% | 193 |
|
|
2017
Q1 | $29.4M | Buy |
402,800
+40,500
| +11% | +$3.01M | 0.03% | 193 |
|
|
2016
Q4 | $27.6M | Buy |
362,300
+35,300
| +11% | +$2.55M | 0.03% | 187 |
|
|
2016
Q3 | $21.4M | Buy |
327,000
+10,000
| +3% | +$630K | 0.02% | 199 |
|
|
2016
Q2 | $18.4M | Buy |
317,000
+301,000
| +1,881% | +$16.6M | 0.02% | 207 |
|
|
2016
Q1 | $1.05M | Buy |
+16,000
| New | +$1.06M | ﹤0.01% | 264 |
|
Other funds holding OSIS
JT
CCM
Primecap Management's OSIS Position: Q2 2026 in Review
Primecap Management increased its OSI Systems (OSIS) stake by 5.5% in Q2 2026, buying an estimated $3.31M and bringing the position to 258,180 shares worth $56.5M. The position accounts for 0.03% of the portfolio, ranked #198.
Primecap Management first reported a position in OSIS in Q1 2016 and has held it in 42 quarters since. The position peaked at $76.4M in Q3 2025. 361 funds tracked by Wall St. Rank hold OSIS as of Q2 2026.
- Primecap Management held 258,180 shares of OSI Systems worth $56.5M as of Q2 2026.
- Primecap Management bought 13,520 OSI Systems shares in Q2 2026, an estimated $3.31M.
- OSI Systems made up 0.03% of Primecap Management's portfolio in Q2 2026, its #198 holding.
- Primecap Management first reported a position in OSI Systems in Q1 2016 and has held it in 42 quarters since.
- Primecap Management's OSI Systems position peaked at $76.4M in Q3 2025.
- 361 funds tracked by Wall St. Rank held OSI Systems as of Q2 2026.
Based on Primecap Management's 13F filing for Q2 2026, filed 14 Aug 2026.