Janus Henderson Group
OSIS icon

Janus Henderson Group’s OSI Systems OSIS Stock Holding History

Janus Henderson Group’s Portfolio OSIS Stock Details OSIS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$205M Buy
772,314
+19,747
+3% +$5.46M 0.1% 190
2025
Q4 		$192M Sell
752,567
-247,724
-25% -$64.7M 0.09% 199
2025
Q3 		$249M Sell
1,000,291
-52,435
-5% -$12M 0.11% 166
2025
Q2 		$237M Sell
1,052,726
-182,233
-15% -$38.9M 0.12% 174
2025
Q1 		$239M Buy
1,234,959
+4,154
+0.3% +$791K 0.13% 171
2024
Q4 		$206M Buy
1,230,805
+21,637
+2% +$3.43M 0.1% 189
2024
Q3 		$184M Buy
1,209,168
+29,858
+3% +$4.29M 0.09% 197
2024
Q2 		$162M Sell
1,179,310
-70,579
-6% -$9.73M 0.09% 199
2024
Q1 		$179M Buy
1,249,889
+19,683
+2% +$2.58M 0.1% 197
2023
Q4 		$159M Buy
1,230,206
+1,346
+0.1% +$160K 0.09% 205
2023
Q3 		$145M Sell
1,228,860
-324,857
-21% -$39.2M 0.1% 202
2023
Q2 		$183M Sell
1,553,717
-195,613
-11% -$22.4M 0.11% 180
2023
Q1 		$179M Sell
1,749,330
-83,002
-5% -$7.69M 0.12% 175
2022
Q4 		$146M Sell
1,832,332
-1,782,684
-49% -$145M 0.1% 196
2022
Q3 		$260M Buy
3,615,016
+1,802,862
+99% +$158M 0.1% 206
2022
Q2 		$155M Buy
1,812,154
+45,802
+3% +$3.76M 0.11% 194
2022
Q1 		$150M Sell
1,766,352
-57,446
-3% -$4.83M 0.07% 250
2021
Q4 		$170M Buy
1,823,798
+15,143
+0.8% +$1.42M 0.07% 264
2021
Q3 		$171M Sell
1,808,655
-2,051
-0.1% -$200K 0.08% 259
2021
Q2 		$184M Sell
1,810,706
-24,489
-1% -$2.38M 0.08% 253
2021
Q1 		$176M Buy
1,835,195
+308
+0% +$29.2K 0.08% 243
2020
Q4 		$171M Sell
1,834,887
-1,673
-0.1% -$143K 0.08% 253
2020
Q3 		$143M Sell
1,836,560
-11,669
-0.6% -$871K 0.07% 263
2020
Q2 		$138M Buy
1,848,229
+13,763
+0.8% +$1.01M 0.08% 251
2020
Q1 		$126M Buy
1,834,466
+10,820
+0.6% +$925K 0.09% 240
2019
Q4 		$184M Buy
1,823,646
+204,121
+13% +$20.2M 0.09% 231
2019
Q3 		$164M Sell
1,619,525
-1,148
-0.1% -$124K 0.09% 244
2019
Q2 		$183M Sell
1,620,673
-67,885
-4% -$6.84M 0.1% 232
2019
Q1 		$148M Sell
1,688,558
-17,986
-1% -$1.51M 0.08% 282
2018
Q4 		$125M Buy
1,706,544
+229,853
+16% +$16.6M 0.08% 290
2018
Q3 		$113M Sell
1,476,691
-3,489
-0.2% -$271K 0.06% 363
2018
Q2 		$114M Buy
1,480,180
+147,278
+11% +$10.3M 0.07% 346
2018
Q1 		$87M Buy
1,332,902
+229,887
+21% +$14.9M 0.05% 405
2017
Q4 		$71M Sell
1,103,015
-234,910
-18% -$19.7M 0.04% 449
2017
Q3 		$122M Sell
1,337,925
-109,731
-8% -$8.92M 0.08% 314
2017
Q2 		$109M Buy
+1,447,656
New +$110M 0.07% 327

Other funds holding OSIS

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Mawer Investment Management
Mawer Investment Management Calgary, Alberta, Canada $15.4B AUM 10.9% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
UBS AM
UBS AM Chicago, Illinois $481B AUM 26.39% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Janus Henderson Group's OSIS Position: Q1 2026 in Review

Janus Henderson Group increased its OSI Systems (OSIS) stake by 2.6% in Q1 2026, buying an estimated $5.46M and bringing the position to 772,314 shares worth $205M. The position accounts for 0.1% of the portfolio, ranked #190.

Janus Henderson Group first reported a position in OSIS in Q2 2017 and has held it in 36 quarters since. The position peaked at $260M in Q3 2022. 368 funds tracked by Wall St. Rank hold OSIS as of Q1 2026.

  • Janus Henderson Group held 772,314 shares of OSI Systems worth $205M as of Q1 2026.
  • Janus Henderson Group bought 19,747 OSI Systems shares in Q1 2026, an estimated $5.46M.
  • OSI Systems made up 0.1% of Janus Henderson Group's portfolio in Q1 2026, its #190 holding.
  • Janus Henderson Group first reported a position in OSI Systems in Q2 2017 and has held it in 36 quarters since.
  • Janus Henderson Group's OSI Systems position peaked at $260M in Q3 2022.
  • 368 funds tracked by Wall St. Rank held OSI Systems as of Q1 2026.

Based on Janus Henderson Group's 13F filing for Q1 2026, filed 15 May 2026.