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Disclosery

OSIS OSI SYSTEMS INC

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COM (common), issuer CIK 1039065

352 managers (360 13F filers) reported a position in OSIS shares at 2025-12-31, 18,809,960 shares in all. 48 filers opened a position and 44 filers sold out during the quarter.

Managers
352
13F filers
360
New
48
Added
132
Reduced
109
Sold out
44
Shares held by filers
18,809,960

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q4 2025

Filers in the available 13F reports with a share position at 2025-12-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
BlackRock, Inc.in group BlackRock, Inc.2,561,902$653M0.01%+57,64613F-HRTimelineGroup
VANGUARD GROUP INCgroup of 2 filers holding2,107,822$538M-1,157Timeline
FMR LLCin group FMR LLC1,657,430$423M0.02%+567,16113F-HRTimelineGroup
UBS Group AGgroup of 2 filers holding814,488$208M-52,349Timeline
Mawer Investment Management Ltd.803,602$205M1.15%-52,78113F-HRTimeline
JANUS HENDERSON GROUP PLCin group Janus Henderson752,567$192M0.09%-247,72413F-HRTimelineGroup
Capital International Investorsin group Capital International Investo…674,343$172M0.03%013F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP658,174$168M0.01%-7,71813F-HRTimelineGroup
Invesco Ltd.in group Invesco Ltd.425,197$108M0.01%+73,78713F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC410,963$105M0.01%+16,69213F-HRTimelineGroup
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP406,892$104M0.02%-12,57713F-HRTimelineGroup
Hood River Capital Management LLC379,374$96.8M1.06%+8,14613F-HRTimeline
NEUBERGER BERMAN GROUP LLCin group NEUBERGER BERMAN GROUP LLC300,792$76.8M0.06%-3,20313F-HRTimelineGroup
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/286,253$73M0.01%+10,72313F-HRTimelineGroup
PRIMECAP MANAGEMENT CO/CA/267,710$68.3M0.05%-38,92013F-HRTimeline
Clark Capital Management Group, Inc.266,114$67.9M0.42%+6,66313F-HRTimeline
PRICE T ROWE ASSOCIATES INC /MD/255,062$65.1M0.01%+10,14413F-HRTimeline
Driehaus Capital Management LLC235,768$60.1M0.41%+88,71413F-HRTimeline
SYSTEMATIC FINANCIAL MANAGEMENT LP233,252$59.5M1.4%-23,37013F-HRTimeline
VAN ECK ASSOCIATES CORPin group VAN ECK ASSOCIATES CORP227,095$57.9M0.05%+21,58913F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY222,904$56.9M<0.01%-38,68713F-HR/ATimelineGroup
LOOMIS SAYLES & CO L Pin group LOOMIS SAYLES & CO L P207,446$52.9M0.06%-9,76013F-HRTimelineGroup
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co202,033$51.5M0.01%-7,96413F-HRTimelineGroup
NEUMEIER POMA INVESTMENT COUNSEL LLC195,795$49.9M4.13%+1,23013F-HRTimeline
Franklin Resourcesgroup of 2 filers holding194,869$49.7M-59,623Timeline
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC191,326$48.8M0.14%new13F-HRTimeline
NOMURA ASSET MANAGEMENT CO LTDgroup of 2 filers holding188,970$48.2MnewTimeline
NORTHERN TRUST CORPin group NORTHERN TRUST CORP171,308$43.7M0.01%-4,97113F-HRTimelineGroup
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO165,009$42.1M<0.01%+34,73313F-HRTimelineGroup
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…163,104$41.5M0.06%+1,62213F-HRTimelineGroup
BROWN ADVISORY INCin group BROWN ADVISORY INC151,605$38.7M0.05%-58,70413F-HRTimelineGroup
Swedbank ABin group Swedbank AB110,413$28.2M0.03%-81713F-HR/ATimelineGroup
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC108,377$27.6M<0.01%-43,16513F-HR/ATimelineGroup
Bank of New York Mellon Corpin group Bank of New York Mellon Corp102,924$26.3M<0.01%-6,91013F-HRTimelineGroup
PRINCIPAL FINANCIAL GROUP INCgroup of 2 filers holding101,538$25.9M+7,971Timeline
OBERWEIS ASSET MANAGEMENT INC/101,400$25.9M0.95%013F-HRTimeline
ENVESTNET ASSET MANAGEMENT INCin group ENVESTNET ASSET MANAGEMENT INC96,041$24.5M0.01%+1,46713F-HRTimelineGroup
Asset Management One Co., Ltd.76,560$20.3M0.06%+24,24313F-HRTimeline
Boston Partnersin group Boston Trust Walden Corp77,058$20M0.02%-21,03713F-HRTimelineGroup
Nuveen, LLCin group TIAA69,153$17.6M<0.01%-37,09813F-HRTimelineGroup
AXIOM INVESTORS LLC /DE66,808$17M0.15%+34,60113F-HRTimeline
FIRST TRUST ADVISORS LPin group FIRST TRUST ADVISORS LP57,306$14.6M0.01%+10,70013F-HRTimelineGroup
Public Sector Pension Investment Board55,242$14.1M0.05%-6,30313F-HRTimeline
Prospect Capital Advisors, LLC51,985$13.3M6.84%-50013F-HRTimeline
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN51,926$13.2M<0.01%+21,77013F-HRTimelineGroup
WELLINGTON MANAGEMENT GROUP LLPin group WELLINGTON MANAGEMENT GROUP L…49,861$12.7M<0.01%new13F-HRTimelineGroup
NORDEA INVESTMENT MANAGEMENT ABin group NORDEA INVESTMENT MANAGEMENT …48,083$12.6M0.01%-6,89613F-HRTimelineGroup
Nicholas Investment Partners, LP48,619$12.4M0.9%+2,93913F-HRTimeline
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS47,085$12M0.01%+47813F-HRTimelineGroup
LORD, ABBETT & CO. LLC44,734$11.4M0.04%-7,89513F-HRTimeline
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC43,745$11.2M0.01%-52,41713F-HRTimelineGroup
RHUMBLINE ADVISERS43,272$11M0.01%-2,37913F-HRTimeline
PDT Partners, LLC42,104$10.7M0.7%013F-HRTimeline
Legal & General Group Plcin group Legal & General Group Plc41,455$10.6M<0.01%-1,46513F-HRTimelineGroup
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC40,330$10.3M0.01%+20,60413F-HRTimelineGroup
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC40,118$10.2M<0.01%+1,81513F-HRTimelineGroup
CITIGROUP INCin group CITIGROUP INC35,543$9.07M0.01%+21,87813F-HRTimelineGroup
GHP Investment Advisors, Inc.32,962$8.41M0.35%+21013F-HRTimeline
Swiss National Bank31,500$8.03M<0.01%+60013F-HRTimeline
BARCLAYS PLCin group BARCLAYS PLC31,360$8M<0.01%+1,60713F-HRTimelineGroup
INTRINSIC EDGE CAPITAL MANAGEMENT LLC31,158$7.95M1.54%-29,22713F-HRTimeline
Robeco Schweiz AGin group Robeco Institutional Asset Ma…30,547$7.79M0.17%new13F-HRTimelineGroup
Universal- Beteiligungs- und Serviceges…in group Universal- Beteiligungs- und …28,357$7.23M0.01%+9,41813F-HRTimelineGroup
First Eagle Investment Management, LLCin group First Eagle Investment Manage…26,564$6.78M0.01%-4,30013F-HRTimelineGroup
LPL Financial LLC24,578$6.27M<0.01%+1,76213F-HRTimeline
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC24,386$6.22M0.01%-9,65813F-HRTimelineGroup
CREDIT AGRICOLE S Ain group CREDIT AGRICOLE S A23,715$6.05M0.02%+5,62313F-HRTimelineGroup
Daiichi Life Insurance Co., Ltd.in group Daiichi Life Insurance Co., L…23,198$5.92M0.15%new13F-HRTimelineGroupThe filing omitted confidential holdings, a later amendment may add them.
Advisors Asset Management, Inc.22,453$5.73M0.1%+98713F-HR/ATimeline
Bridge City Capital, LLC21,221$5.41M1.59%-6,46313F-HRTimeline
Oliver Luxxe Assets LLC20,299$5.18M0.79%-3,25413F-HRTimeline
SEI INVESTMENTS COin group SEI INVESTMENTS CO19,530$4.98M<0.01%+5,45213F-HRTimelineGroup
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC19,437$4.96M<0.01%-9,17813F-HRTimelineGroup
ALLIANCEBERNSTEIN L.P.19,221$4.9M<0.01%+1,25613F-HRTimeline
Stanley-Laman Group, Ltd.19,126$4.88M0.62%+1,57913F-HRTimeline
Moody Aldrich Partners LLC18,753$4.78M0.89%-4,95913F-HRTimeline
HRT FINANCIAL LP18,399$4.69M0.01%-9,49713F-HRTimeline
Allspring Global Investments Holdings, …in group Allspring Global Investments …18,230$4.66M0.01%+9,64613F-HRTimelineGroup
TRUIST FINANCIAL CORPin group TRUIST FINANCIAL CORP18,139$4.63M0.01%+19013F-HRTimelineGroup
Assenagon Asset Management S.A.17,917$4.57M0.01%+1,30613F-HRTimeline
CHATHAM CAPITAL GROUP, INC.17,580$4.48M0.64%+44513F-HRTimeline
STIFEL FINANCIAL CORPin group STIFEL FINANCIAL CORP17,427$4.44M<0.01%+6,94913F-HRTimelineGroup
NEW YORK STATE COMMON RETIREMENT FUND16,385$4.18M0.01%-1,13213F-HRTimeline
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\16,014$4.08M<0.01%+65013F-HRTimelineGroup
MML INVESTORS SERVICES, LLC15,797$4.03M0.01%+1,69913F-HRTimeline
Informed Momentum Co LLC15,075$3.85M0.43%-2,36513F-HRTimeline
CALIFORNIA STATE TEACHERS RETIREMENT SY…15,007$3.83M<0.01%-313F-HRTimeline
PRUDENTIAL FINANCIAL INCin group PRUDENTIAL FINANCIAL INC14,953$3.81M<0.01%-98713F-HRTimelineGroup
Manatuck Hill Partners, LLC14,300$3.65M1.28%013F-HRTimeline
CANADA LIFE ASSURANCE Coin group CANADA LIFE ASSURANCE Co14,266$3.63M0.01%+78513F-HRTimelineGroup
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA13,925$3.55M<0.01%-34,15413F-HRTimelineGroup
STATE OF WISCONSIN INVESTMENT BOARD13,791$3.52M0.01%+1,06613F-HRTimeline
Jefferies Financial Group Inc.in group Jefferies Financial Group Inc.13,738$3.5M0.03%new13F-HRTimelineGroup
BESSEMER GROUP INCin group BESSEMER GROUP INC12,689$3.24M<0.01%+11,92913F-HRTimelineGroup
NEW YORK STATE TEACHERS RETIREMENT SYST…12,603$3.21M0.01%-30013F-HRTimeline
Cetera Investment Advisers12,173$3.1M<0.01%+8513F-HRTimeline
Harvest Investment Services, LLC11,989$3.06M0.58%-29713F-HRTimeline
Livforsakringsbolaget Skandia, Omsesidi…11,700$2.98M0.12%013F-HRTimeline
WEDGE CAPITAL MANAGEMENT L L P/NC11,478$2.93M0.05%-2,37313F-HRTimeline
NORGES BANK11,111$2.83M<0.01%new13F-HRTimeline
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC11,047$2.82M<0.01%-2,58213F-HRTimelineGroup
Thrivent Financial for Lutheransin group Thrivent Financial for Luther…10,966$2.8M<0.01%-41913F-HRTimelineGroup
Creative Planningin group Creative Planning10,930$2.79M<0.01%+2,45413F-HRTimelineGroup
Legato Capital Management LLC10,770$2.75M0.24%-54613F-HRTimeline
CANADA PENSION PLAN INVESTMENT BOARD10,560$2.69M<0.01%-4,84013F-HRTimeline
OAK RIDGE INVESTMENTS LLC9,759$2.49M0.15%new13F-HRTimeline
NorthCrest Asset Manangement, LLC9,164$2.49M0.06%+913F-HRTimeline
Cascade Investment Advisors, Inc.9,363$2.39M1.4%-20513F-HRTimeline
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC9,281$2.37M<0.01%+40713F-HRTimelineGroup
MetLife Investment Management, LLCin group MetLife Investment Management…8,920$2.28M0.01%-38513F-HRTimelineGroup
Illinois Municipal Retirement Fund8,841$2.25M0.03%+88113F-HRTimeline
Lombard Odier Asset Management (USA) Co…8,777$2.24M0.91%+70013F-HRTimeline
Gotham Asset Management, LLC8,759$2.23M0.01%+4,06313F-HRTimeline
HARBOUR INVESTMENTS, INC.8,628$2.2M0.04%013F-HRTimeline
State of New Jersey Common Pension Fund…in group State of New Jersey Common Pe…8,584$2.19M0.01%-1,17813F-HRTimelineGroup
WESBANCO BANK INC8,327$2.12M0.06%-5,10013F-HRTimeline
State of Alaska, Department of Revenue8,145$2.08M0.02%+20413F-HRTimeline
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …7,846$2M<0.01%-31313F-HRTimelineGroup
Jackson Creek Investment Advisors LLC7,660$1.95M0.58%-24713F-HRTimeline
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.7,479$1.91M<0.01%-4,52013F-HRTimelineGroup
INTECH INVESTMENT MANAGEMENT LLC7,442$1.9M0.02%-44313F-HRTimeline
PARK AVENUE SECURITIES LLCin group PARK AVENUE SECURITIES LLC7,430$1.9M0.02%+28513F-HRTimelineGroup
Louisiana State Employees Retirement Sy…7,300$1.86M0.03%013F-HRTimeline
LEVEL FOUR ADVISORY SERVICES, LLCin group LEVEL FOUR ADVISORY SERVICES,…7,193$1.83M0.06%-20813F-HRTimelineGroup
Register Financial Advisors LLC6,420$1.64M0.64%-40013F-HRTimeline
Numerai GP LLC6,384$1.63M0.2%-7,43613F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.6,359$1.62M<0.01%-18,24913F-HRTimelineGroup
COMERICA BANK6,009$1.53M0.01%-1,37013F-HRTimeline
Erste Asset Management GmbHin group Erste Asset Management GmbH5,585$1.51M0.01%+4,60013F-HRTimelineGroup
KENNEDY CAPITAL MANAGEMENT LLC5,595$1.43M0.03%-2,03913F-HRTimeline
Verition Fund Management LLC5,500$1.4M0.01%-70013F-HRTimeline
HEALTHCARE OF ONTARIO PENSION PLAN TRUS…5,478$1.4M<0.01%new13F-HRTimeline
BLAIR WILLIAM & CO/IL5,461$1.39M<0.01%+60613F-HRTimeline
FEDERATED HERMES, INC.in group FEDERATED HERMES, INC.5,424$1.38M<0.01%+3,90013F-HRTimelineGroup
Zurcher Kantonalbank (Zurich Cantonalba…5,335$1.36M<0.01%013F-HRTimeline
Wakefield Asset Management LLLPin group Wakefield Asset Management LL…4,998$1.27M0.35%+2613F-HRTimelineGroup
TWO SIGMA INVESTMENTS, LPgroup of 2 filers holding4,900$1.25M-69,265Timeline
YOUSIF CAPITAL MANAGEMENT, LLC4,325$1.25M0.01%-56313F-HRTimeline
ZIONS BANCORPORATION, NATIONAL ASSOCIAT…4,866$1.24M0.06%-21613F-HRTimeline
GUGGENHEIM CAPITAL LLCin group GUGGENHEIM CAPITAL LLC4,858$1.24M0.01%new13F-HRTimelineGroup
Pasadena Private Wealth, LLC4,829$1.23M0.17%013F-HRTimeline
Handelsbanken Fonder AB4,765$1.22M<0.01%013F-HRTimeline
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…4,700$1.2M<0.01%-12913F-HRTimelineGroup
FIL Ltdin group FIL Ltd4,659$1.19M<0.01%+14213F-HRTimelineGroup
AMALGAMATED BANK4,646$1.19M0.01%+4213F-HRTimeline
VICTORY CAPITAL MANAGEMENT INC4,515$1.15M<0.01%-2713F-HRTimeline
SG Americas Securities, LLC4,498$1.15M<0.01%+57713F-HRTimeline
ARIZONA STATE RETIREMENT SYSTEM4,466$1.14M0.01%-24513F-HRTimeline
Concurrent Investment Advisors, LLCin group Concurrent Investment Advisor…4,292$1.09M0.01%new13F-HRTimelineGroup
Moran Wealth Management, LLC4,265$1.09M0.03%+32713F-HRTimeline
Police & Firemen's Retirement System of…4,252$1.08M0.01%-26413F-HRTimeline
Supplemental Annuity Collective Trust o…4,200$1.07M0.28%013F-HRTimeline
TEACHERS RETIREMENT SYSTEM OF THE STATE…3,963$1.01M0.01%-46213F-HRTimeline
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCH…3,951$1.01M0.01%-6813F-HRTimeline
SCHRODER INVESTMENT MANAGEMENT GROUP3,828$1.01M<0.01%013F-HRTimeline
BENJAMIN EDWARDS INCin group BENJAMIN EDWARDS INC3,889$992K0.01%+36413F-HRTimelineGroup
TORONTO DOMINION BANKin group TORONTO DOMINION BANK3,808$970K<0.01%-1913F-HRTimelineGroup
Edgestream Partners, L.P.3,786$966K0.03%-24,00313F-HRTimeline
BNP PARIBAS ASSET MANAGEMENT Holding S.…in group BNP PARIBAS ASSET MANAGEMENT …3,646$930K<0.01%new13F-HRTimelineGroup
CWM, LLCin group CWM, LLC3,643$929K<0.01%-88413F-HRTimelineGroup
OREGON PUBLIC EMPLOYEES RETIREMENT FUND3,611$921K0.01%+3013F-HRTimeline
Quantbot Technologies LP3,522$898K0.03%-1,63313F-HRTimeline
STATE BOARD OF ADMINISTRATION OF FLORID…3,521$898K<0.01%013F-HRTimeline
State of Tennessee, Department of Treas…3,584$897K<0.01%-89813F-HRTimeline
SUSQUEHANNA INTERNATIONAL GROUP, LLPgroup of 3 filers holding3,508$895K-3,629Timeline
North Star Investment Management Corp.3,500$893K0.06%013F-HRTimeline
Premier Fund Managers Ltd3,310$870K0.05%013F-HRTimeline
KLP KAPITALFORVALTNING AS3,400$867K<0.01%-10013F-HRTimeline
Ameritas Investment Partners, Inc.group of 2 filers holding3,356$856K+2,016Timeline
OPPENHEIMER & CO INCin group OPPENHEIMER ASSET MANAGEMENT …3,270$834K0.01%+1413F-HRTimelineGroup
ProShare Advisors LLC3,149$803K<0.01%+13213F-HRTimeline
GLENMEDE TRUST CO NAin group GLENMEDE TRUST CO NA3,098$790K<0.01%13F-HRTimelineGroup
Truvestments Capital LLC3,063$781K0.14%+33713F-HRTimeline
HighTower Advisors, LLC2,985$761K<0.01%-6313F-HRTimeline
Odyssean, LLC2,746$700K0.5%13F-HRTimeline
Amundiin group Amundi2,709$691K<0.01%-1,27413F-HRTimelineGroup
INCEPTIONR LLC2,611$666K0.18%+1,31813F-HRTimeline
PRAXIS INVESTMENT MANAGEMENT INC2,550$650K0.04%013F-HRTimeline
Mariner, LLCin group Mariner, LLC2,530$643K<0.01%+1,47713F-HRTimelineGroup
Pathstone Holdings, LLCin group Pathstone Holdings, LLC2,402$613K<0.01%+88113F-HRTimelineGroup
Vestcor Inc2,398$612K0.02%013F-HRTimeline
Quantinno Capital Management LP2,373$605K<0.01%+30713F-HRTimeline
Maryland State Retirement & Pension Sys…2,347$599K0.01%+7213F-HRTimeline
Pictet Asset Management Holding SAin group Pictet Asset Management Holdi…2,345$598K<0.01%+20013F-HRTimelineGroup
HSBC HOLDINGS PLCin group HSBC HOLDINGS PLC2,257$578K<0.01%new13F-HR/ATimelineGroup
AlphaQuest LLC2,065$527K0.03%+3713F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION…2,030$518K<0.01%013F-HRTimeline
Pure Financial Advisors, LLC2,008$512K0.01%013F-HRTimeline
Severin Investments, LLC1,940$495K0.44%+5613F-HRTimeline
BANK OF MONTREAL /CAN/in group BANK OF MONTREAL /CAN/1,921$490K<0.01%+49313F-HRTimelineGroup
CIBC Bancorp USA Inc.group of 2 filers holding1,888$482K+1,122Timeline
MUTUAL OF AMERICA CAPITAL MANAGEMENT LLCin group MUTUAL OF AMERICA CAPITAL MAN…1,824$465K<0.01%+5613F-HRTimelineGroup
Inspire Investing, LLCin group Inspire Investing, LLC1,818$464K0.04%-3313F-HRTimelineGroup
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…1,810$462K<0.01%+24913F-HRTimelineGroup
LOS ANGELES CAPITAL MANAGEMENT LLC1,810$441K<0.01%013F-HRTimeline
Graham Capital Management, L.P.1,724$440K0.02%+53013F-HRTimeline
Ashton Thomas Private Wealth, LLC1,722$439K0.01%-6213F-HRTimeline
RWA WEALTH PARTNERS, LLC1,700$434K<0.01%013F-HRTimeline
Global Retirement Partners, LLC1,685$430K0.01%+93213F-HRTimeline
Orion Porfolio Solutions, LLC1,659$423K<0.01%-31613F-HRTimeline