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 | $1.3M | Sell |
4,900
-200
| -4% | -$55.3K | ﹤0.01% | 7063 |
|
|
2025
Q4 | $1.3M | Sell |
5,100
-5,700
| -53% | -$1.49M | ﹤0.01% | 6832 |
|
|
2025
Q3 | $2.69M | Sell |
10,800
-8,900
| -45% | -$2.03M | ﹤0.01% | 5497 |
|
|
2025
Q2 | $4.43M | Sell |
19,700
-9,600
| -33% | -$2.05M | ﹤0.01% | 4332 |
|
|
2025
Q1 | $5.69M | Sell |
29,300
-400
| -1% | -$76.2K | ﹤0.01% | 3673 |
|
|
2024
Q4 | $4.97M | Buy |
29,700
+8,300
| +39% | +$1.32M | ﹤0.01% | 3976 |
|
|
2024
Q3 | $3.25M | Buy |
21,400
+16,000
| +296% | +$2.3M | ﹤0.01% | 4653 |
|
|
2024
Q2 | $743K | Sell |
5,400
-2,600
| -33% | -$358K | ﹤0.01% | 7232 |
|
|
2024
Q1 | $1.14M | Buy |
8,000
+2,800
| +54% | +$368K | ﹤0.01% | 6655 |
|
|
2023
Q4 | $671K | Sell |
5,200
-2,300
| -31% | -$274K | ﹤0.01% | 7485 |
|
|
2023
Q3 | $885K | Buy |
7,500
+500
| +7% | +$60.3K | ﹤0.01% | 6829 |
|
|
2023
Q2 | $825K | Sell |
7,000
-2,000
| -22% | -$229K | ﹤0.01% | 6863 |
|
|
2023
Q1 | $921K | Sell |
9,000
-5,400
| -38% | -$500K | ﹤0.01% | 6959 |
|
|
2022
Q4 | $1.15M | Sell |
14,400
-9,600
| -40% | -$781K | ﹤0.01% | 6551 |
|
|
2022
Q3 | $1.73M | Buy |
24,000
+18,600
| +344% | +$1.63M | ﹤0.01% | 5863 |
|
|
2022
Q2 | $461K | Buy |
5,400
+2,800
| +108% | +$230K | ﹤0.01% | 8827 |
|
|
2022
Q1 | $221K | Hold |
2,600
| – | – | ﹤0.01% | 11291 |
|
|
2021
Q4 | $242K | Sell |
2,600
-9,500
| -79% | -$891K | ﹤0.01% | 11439 |
|
|
2021
Q3 | $1.15M | Buy |
12,100
+7,600
| +169% | +$740K | ﹤0.01% | 7801 |
|
|
2021
Q2 | $457K | Sell |
4,500
-400
| -8% | -$38.9K | ﹤0.01% | 10249 |
|
|
2021
Q1 | $471K | Sell |
4,900
-18,800
| -79% | -$1.78M | ﹤0.01% | 9802 |
|
|
2020
Q4 | $2.21M | Buy |
23,700
+18,000
| +316% | +$1.54M | ﹤0.01% | 5152 |
|
|
2020
Q3 | $442K | Sell |
5,700
-300
| -5% | -$22.4K | ﹤0.01% | 7500 |
|
|
2020
Q2 | $448K | Sell |
6,000
-4,000
| -40% | -$292K | ﹤0.01% | 7285 |
|
|
2020
Q1 | $689K | Sell |
10,000
-1,500
| -13% | -$128K | ﹤0.01% | 5953 |
|
|
2019
Q4 | $1.16M | Sell |
11,500
-6,600
| -36% | -$652K | ﹤0.01% | 5333 |
|
|
2019
Q3 | $1.84M | Buy |
18,100
+300
| +2% | +$32.4K | ﹤0.01% | 4609 |
|
|
2019
Q2 | $2M | Buy |
17,800
+1,600
| +10% | +$161K | ﹤0.01% | 4505 |
|
|
2019
Q1 | $1.42M | Buy |
16,200
+3,100
| +24% | +$259K | ﹤0.01% | 4996 |
|
|
2018
Q4 | $960K | Sell |
13,100
-5,300
| -29% | -$382K | ﹤0.01% | 5369 |
|
|
2018
Q3 | $1.4M | Sell |
18,400
-5,000
| -21% | -$388K | ﹤0.01% | 4971 |
|
|
2018
Q2 | $1.81M | Buy |
23,400
+1,000
| +4% | +$69.8K | ﹤0.01% | 4259 |
|
|
2018
Q1 | $1.46M | Buy |
22,400
+7,800
| +53% | +$506K | ﹤0.01% | 4215 |
|
|
2017
Q4 | $940K | Buy |
14,600
+7,900
| +118% | +$664K | ﹤0.01% | 4739 |
|
|
2017
Q3 | $612K | Buy |
6,700
+1,400
| +26% | +$114K | ﹤0.01% | 5019 |
|
|
2017
Q2 | $398K | Sell |
5,300
-1,700
| -24% | -$129K | ﹤0.01% | 5460 |
|
|
2017
Q1 | $511K | Sell |
7,000
-500
| -7% | -$37.1K | ﹤0.01% | 4979 |
|
|
2016
Q4 | $571K | Sell |
7,500
-1,900
| -20% | -$137K | ﹤0.01% | 4700 |
|
|
2016
Q3 | $615K | Sell |
9,400
-2,000
| -18% | -$126K | ﹤0.01% | 4529 |
|
|
2016
Q2 | $663K | Buy |
11,400
+2,400
| +27% | +$132K | ﹤0.01% | 4115 |
|
|
2016
Q1 | $589K | Buy |
9,000
+4,400
| +96% | +$291K | ﹤0.01% | 4180 |
|
|
2015
Q4 | $408K | Buy |
4,600
+600
| +15% | +$52.5K | ﹤0.01% | 4754 |
|
|
2015
Q3 | $308K | Buy |
4,000
+500
| +14% | +$36.1K | ﹤0.01% | 5524 |
|
|
2015
Q2 | $248K | Buy |
3,500
+500
| +17% | +$36.2K | ﹤0.01% | 6027 |
|
|
2015
Q1 | $223K | Buy |
3,000
+1,100
| +58% | +$78.8K | ﹤0.01% | 6056 |
|
|
2014
Q4 | $134K | Sell |
1,900
-2,700
| -59% | -$184K | ﹤0.01% | 6381 |
|
|
2014
Q3 | $292K | Sell |
4,600
-3,300
| -42% | -$219K | ﹤0.01% | 5295 |
|
|
2014
Q2 | $527K | Sell |
7,900
-9,100
| -54% | -$543K | ﹤0.01% | 4314 |
|
|
2014
Q1 | $1.02M | Buy |
17,000
+4,000
| +31% | +$239K | ﹤0.01% | 3391 |
|
|
2013
Q4 | $690K | Buy |
13,000
+2,100
| +19% | +$144K | ﹤0.01% | 3638 |
|
|
2013
Q3 | $812K | Sell |
10,900
-7,400
| -40% | -$525K | ﹤0.01% | 3312 |
|
|
2013
Q2 | $1.18M | Buy |
+18,300
| New | +$1.07M | ﹤0.01% | 3021 |
|
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.