Citadel Advisors’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
Q1 | $3.97M | Buy |
14,948
+13,715
| +1,112% | +$3.79M | ﹤0.01% | 4723 |
|
|
2025
Q4 | $314K | Sell |
1,233
-7,923
| -87% | -$2.07M | ﹤0.01% | 10023 |
|
|
2025
Q3 | $2.28M | Sell |
9,156
-51,333
| -85% | -$11.7M | ﹤0.01% | 5811 |
|
|
2025
Q2 | $13.6M | Buy |
+60,489
| New | +$12.9M | ﹤0.01% | 2632 |
|
|
2025
Q1 | – | Sell |
-44,069
| Closed | -$8.39M | – | 15285 |
|
|
2024
Q4 | $7.38M | Sell |
44,069
-38,639
| -47% | -$6.13M | ﹤0.01% | 3365 |
|
|
2024
Q3 | $12.6M | Buy |
82,708
+71,960
| +670% | +$10.3M | ﹤0.01% | 2588 |
|
|
2024
Q2 | $1.48M | Sell |
10,748
-40,024
| -79% | -$5.52M | ﹤0.01% | 5863 |
|
|
2024
Q1 | $7.25M | Sell |
50,772
-8,218
| -14% | -$1.08M | ﹤0.01% | 3396 |
|
|
2023
Q4 | $7.61M | Sell |
58,990
-38,649
| -40% | -$4.6M | ﹤0.01% | 3203 |
|
|
2023
Q3 | $11.5M | Buy |
97,639
+7,871
| +9% | +$949K | ﹤0.01% | 2504 |
|
|
2023
Q2 | $10.6M | Sell |
89,768
-33,040
| -27% | -$3.79M | ﹤0.01% | 2605 |
|
|
2023
Q1 | $12.6M | Buy |
122,808
+57,186
| +87% | +$5.3M | ﹤0.01% | 2499 |
|
|
2022
Q4 | $5.22M | Sell |
65,622
-27,622
| -30% | -$2.25M | ﹤0.01% | 3786 |
|
|
2022
Q3 | $6.72M | Buy |
93,244
+10,452
| +13% | +$916K | ﹤0.01% | 3387 |
|
|
2022
Q2 | $7.07M | Buy |
82,792
+51,392
| +164% | +$4.22M | ﹤0.01% | 3190 |
|
|
2022
Q1 | $2.67M | Buy |
31,400
+4,389
| +16% | +$369K | ﹤0.01% | 5442 |
|
|
2021
Q4 | $2.52M | Buy |
27,011
+16,508
| +157% | +$1.55M | ﹤0.01% | 5709 |
|
|
2021
Q3 | $996K | Buy |
10,503
+5,023
| +92% | +$489K | ﹤0.01% | 8161 |
|
|
2021
Q2 | $557K | Sell |
5,480
-63,107
| -92% | -$6.14M | ﹤0.01% | 9822 |
|
|
2021
Q1 | $6.59M | Buy |
68,587
+28,297
| +70% | +$2.69M | ﹤0.01% | 3707 |
|
|
2020
Q4 | $3.76M | Sell |
40,290
-63,045
| -61% | -$5.39M | ﹤0.01% | 4186 |
|
|
2020
Q3 | $8.02M | Buy |
103,335
+72,393
| +234% | +$5.4M | ﹤0.01% | 2557 |
|
|
2020
Q2 | $2.31M | Buy |
30,942
+19,001
| +159% | +$1.39M | ﹤0.01% | 4319 |
|
|
2020
Q1 | $823K | Sell |
11,941
-37,144
| -76% | -$3.17M | ﹤0.01% | 5670 |
|
|
2019
Q4 | $4.95M | Sell |
49,085
-95,174
| -66% | -$9.4M | ﹤0.01% | 3092 |
|
|
2019
Q3 | $14.7M | Buy |
+144,259
| New | +$15.6M | 0.01% | 1782 |
|
|
2019
Q2 | – | Sell |
-6,310
| Closed | -$636K | – | 9670 |
|
|
2019
Q1 | $553K | Sell |
6,310
-27,152
| -81% | -$2.27M | ﹤0.01% | 6628 |
|
|
2018
Q4 | $2.45M | Buy |
33,462
+7,364
| +28% | +$531K | ﹤0.01% | 3834 |
|
|
2018
Q3 | $1.99M | Sell |
26,098
-1,453
| -5% | -$113K | ﹤0.01% | 4406 |
|
|
2018
Q2 | $2.13M | Sell |
27,551
-26,179
| -49% | -$1.83M | ﹤0.01% | 4018 |
|
|
2018
Q1 | $3.51M | Sell |
53,730
-16,804
| -24% | -$1.09M | ﹤0.01% | 2921 |
|
|
2017
Q4 | $4.54M | Buy |
70,534
+62,838
| +817% | +$5.28M | ﹤0.01% | 2584 |
|
|
2017
Q3 | $704K | Sell |
7,696
-3,143
| -29% | -$256K | ﹤0.01% | 4834 |
|
|
2017
Q2 | $815K | Sell |
10,839
-15,827
| -59% | -$1.2M | ﹤0.01% | 4389 |
|
|
2017
Q1 | $1.95M | Buy |
26,666
+18,260
| +217% | +$1.36M | ﹤0.01% | 3110 |
|
|
2016
Q4 | $640K | Buy |
+8,406
| New | +$606K | ﹤0.01% | 4527 |
|
|
2016
Q3 | – | Sell |
-4,642
| Closed | -$293K | – | 7604 |
|
|
2016
Q2 | $270K | Buy |
+4,642
| New | +$256K | ﹤0.01% | 5376 |
|
|
2016
Q1 | – | Sell |
-14,574
| Closed | -$965K | – | 7630 |
|
|
2015
Q4 | $1.29M | Buy |
14,574
+13,799
| +1,781% | +$1.21M | ﹤0.01% | 3275 |
|
|
2015
Q3 | $60K | Buy |
+775
| New | +$56K | ﹤0.01% | 7442 |
|
|
2015
Q2 | – | Sell |
-2,557
| Closed | -$185K | – | 8967 |
|
|
2015
Q1 | $190K | Sell |
2,557
-19,205
| -88% | -$1.38M | ﹤0.01% | 6238 |
|
|
2014
Q4 | $1.54M | Buy |
21,762
+17,724
| +439% | +$1.21M | ﹤0.01% | 3228 |
|
|
2014
Q3 | $256K | Buy |
4,038
+1,969
| +95% | +$131K | ﹤0.01% | 5449 |
|
|
2014
Q2 | $138K | Sell |
2,069
-5,783
| -74% | -$345K | ﹤0.01% | 5941 |
|
|
2014
Q1 | $471K | Sell |
7,852
-4,525
| -37% | -$271K | ﹤0.01% | 4419 |
|
|
2013
Q4 | $658K | Buy |
+12,377
| New | +$847K | ﹤0.01% | 3691 |
|
Other funds holding OSIS
VPM
VCM
Citadel Advisors's OSIS Position: Q1 2026 in Review
Citadel Advisors increased its OSI Systems (OSIS) stake by 1,112% in Q1 2026, buying an estimated $3.79M and bringing the position to 14,948 shares worth $3.97M. The position accounts for ﹤0.01% of the portfolio, ranked #4723.
Citadel Advisors first reported a position in OSIS in Q4 2013 and has held it in 45 quarters since. The position peaked at $14.7M in Q3 2019. 368 funds tracked by Wall St. Rank hold OSIS as of Q1 2026.
- Citadel Advisors held 14,948 shares of OSI Systems worth $3.97M as of Q1 2026.
- Citadel Advisors bought 13,715 OSI Systems shares in Q1 2026, an estimated $3.79M.
- OSI Systems made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #4723 holding.
- Citadel Advisors first reported a position in OSI Systems in Q4 2013 and has held it in 45 quarters since.
- Citadel Advisors's OSI Systems position peaked at $14.7M in Q3 2019.
- 368 funds tracked by Wall St. Rank held OSI Systems as of Q1 2026.
Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.