OSI SYSTEMS INC

Ticker: OSIS CUSIP: 671044105 Class: EQTY

Holders for Q4 2025 Position Changes for Q4 2025

Note: Option positions (PUT/CALL) are excluded.

New Positions (46)

Robeco Schweiz AG
Value ($000) $7,791 Shares 30,547
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
Value ($000) $48,800 Shares 191,326
Dai-ichi Life Insurance Company, Ltd
Value ($000) $5,917 Shares 23,198
OAK RIDGE INVESTMENTS LLC
Value ($000) $2,489 Shares 9,759
Farringdon Capital, Ltd.
Value ($000) $329 Shares 1,289
Abel Hall, LLC
Value ($000) $274 Shares 1,074
Newbridge Financial Services Group, Inc.
Value ($000) $262 Shares 1,026
Jefferies Financial Group Inc.
Value ($000) $3,504 Shares 13,738
Ameritas Advisory Services, LLC
Value ($000) $514 Shares 2,016
Concurrent Investment Advisors, LLC
Value ($000) $1,095 Shares 4,292
Headlands Technologies LLC
Value ($000) $233 Shares 914
Pinnacle Wealth Planning Services, Inc.
Value ($000) $170 Shares 665
Kemnay Advisory Services Inc.
Value ($000) $120 Shares 469
SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC
Value ($000) $364 Shares 1,428
GUGGENHEIM CAPITAL LLC
Value ($000) $1,239 Shares 4,858
WELLINGTON MANAGEMENT GROUP LLP
Value ($000) $12,718 Shares 49,861
Sowell Financial Services LLC
Value ($000) $222 Shares 871
New Age Alpha Advisors, LLC
Value ($000) $191 Shares 750
World Investment Advisors
Value ($000) $318 Shares 1,247
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND
Value ($000) $1,397 Shares 5,478

Increased Positions (121)

DRIEHAUS CAPITAL MANAGEMENT LLC
Value ($000) $60,135 (+64.1%) Shares 235,768 (+60.3%)
Nicholas Investment Partners, LP
Value ($000) $12,401 (+8.9%) Shares 48,619 (+6.4%)
Hood River Capital Management LLC
Value ($000) $96,763 (+4.6%) Shares 379,374 (+2.2%)
AXIOM INVESTORS LLC /DE
Value ($000) $17,040 (+112.3%) Shares 66,808 (+107.4%)
Stanley-Laman Group, Ltd.
Value ($000) $4,878 (+11.5%) Shares 19,126 (+9.0%)
INCEPTIONR LLC
Value ($000) $666 (+106.6%) Shares 2,611 (+101.9%)
CHATHAM CAPITAL GROUP, INC.
Value ($000) $4,484 (+5.0%) Shares 17,580 (+2.6%)
Clark Capital Management Group, Inc.
Value ($000) $67,875 (+5.0%) Shares 266,114 (+2.6%)
Asset Management One Co., Ltd.
Value ($000) $20,274 (+55.5%) Shares 76,560 (+46.3%)
FMR LLC
Value ($000) $422,744 (+55.6%) Shares 1,657,430 (+52.0%)
Lombard Odier Asset Management (USA) Corp
Value ($000) $2,239 (+11.2%) Shares 8,777 (+8.7%)
Severin Investments, LLC
Value ($000) $495 (+5.4%) Shares 1,940 (+3.0%)
Truvestments Capital LLC
Value ($000) $781 (+15.0%) Shares 3,063 (+12.4%)
Erste Asset Management GmbH
Value ($000) $1,509 (+543.6%) Shares 5,585 (+467.0%)
Invesco Ltd.
Value ($000) $108,451 (+23.8%) Shares 425,197 (+21.0%)
Caitong International Asset Management Co., Ltd
Value ($000) $69 (+257.5%) Shares 269 (+249.4%)
Round Rock Advisors, LLC
Value ($000) $309 (+44.5%) Shares 1,213 (+41.2%)
Park Square Financial Group, LLC
Value ($000) $10 (+6.0%) Shares 60 (+57.9%)
PERSONAL CFO SOLUTIONS, LLC
Value ($000) $382 (+25.8%) Shares 1,496 (+22.9%)
Universal- Beteiligungs- und Servicegesellschaft mbH
Value ($000) $7,235 (+53.3%) Shares 28,357 (+49.7%)

Decreased Positions (105)

Intrinsic Edge Capital Management LLC
Value ($000) $7,947 (-47.2%) Shares 31,158 (-48.4%)
Bridge City Capital, LLC
Value ($000) $5,413 (-21.6%) Shares 21,221 (-23.3%)
SYSTEMATIC FINANCIAL MANAGEMENT LP
Value ($000) $59,494 (-7.0%) Shares 233,252 (-9.1%)
Moody Aldrich Partners LLC
Value ($000) $4,783 (-19.1%) Shares 18,753 (-20.9%)
Numerai GP LLC
Value ($000) $1,628 (-52.7%) Shares 6,384 (-53.8%)
Mawer Investment Management Ltd.
Value ($000) $204,967 (-4.0%) Shares 803,602 (-6.2%)
Oliver Luxxe Assets LLC
Value ($000) $5,177 (-11.8%) Shares 20,299 (-13.8%)
Edgestream Partners, L.P.
Value ($000) $966 (-86.1%) Shares 3,786 (-86.4%)
Cascade Investment Advisors, Inc.
Value ($000) $2,388 (+0.1%) Shares 9,363 (-2.1%)
EAM Investors, LLC
Value ($000) $3,845 (-10.1%) Shares 15,075 (-13.6%)
Register Financial Advisors LLC
Value ($000) $1,637 (-3.7%) Shares 6,420 (-5.9%)
JANUS HENDERSON GROUP PLC
Value ($000) $191,949 (-23.0%) Shares 752,567 (-24.8%)
WESBANCO BANK INC
Value ($000) $2,124 (-36.5%) Shares 8,327 (-38.0%)
BROWN ADVISORY INC
Value ($000) $38,668 (-26.2%) Shares 151,605 (-27.9%)
Harvest Investment Services, LLC
Value ($000) $3,058 (-0.1%) Shares 11,989 (-2.4%)
R Squared Ltd
Value ($000) $236 (-22.5%) Shares 926 (-24.2%)
Clearbridge Investments, LLC
Value ($000) $47,223 (-22.6%) Shares 185,146 (-24.3%)
Legato Capital Management LLC
Value ($000) $2,747 (-2.6%) Shares 10,770 (-4.8%)
PRIMECAP MANAGEMENT CO/CA/
Value ($000) $68,282 (-10.7%) Shares 267,710 (-12.7%)
MILLENNIUM MANAGEMENT LLC
Value ($000) $11,158 (-53.4%) Shares 43,745 (-54.5%)

Exited Positions (46)

Semanteon Capital Management, LP
Value ($000) $572 Shares 2,295
SG Capital Management LLC
Value ($000) $3,431 Shares 13,764
Watershed Asset Management, L.L.C.
Value ($000) $296 Shares 2,297
TWO SIGMA SECURITIES, LLC
Value ($000) $1,112 Shares 4,463
MACQUARIE GROUP LTD
Value ($000) $52,146 Shares 209,220
SHERBROOKE PARK ADVISERS LLC
Value ($000) $214 Shares 859
nVerses Capital, LLC
Value ($000) $182 Shares 1,200
Trexquant Investment LP
Value ($000) $6,536 Shares 26,224
DARK FOREST CAPITAL MANAGEMENT LP
Value ($000) $1,733 Shares 6,954
Skylands Capital, LLC
Value ($000) $411 Shares 1,650
TWINBEECH CAPITAL LP
Value ($000) $810 Shares 3,248
TWO SIGMA INVESTMENTS, LP
Value ($000) $14,721 Shares 59,065
Entropy Technologies, LP
Value ($000) $561 Shares 2,252
Massar Capital Management, LP
Value ($000) $315 Shares 1,265
Versor Investments LP
Value ($000) $207 Shares 831
Fieldview Capital Management, LLC
Value ($000) $205 Shares 821
SteelPeak Wealth, LLC
Value ($000) $803 Shares 3,220
Dakota Community Bank & Trust NA
Value ($000) $12 Shares 47
Engineers Gate Manager LP
Value ($000) $1,463 Shares 5,870
Point72 Asset Management, L.P.
Value ($000) $5,388 Shares 21,619