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INSP INSPIRE MED SYS INC

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Stock (common), issuer CIK 1609550

358 managers (364 13F filers) reported a position in INSP shares at 2025-03-31, 34,279,200 shares in all. 56 filers opened a position and 49 filers sold out during the quarter.

Managers
358
13F filers
364
New
56
Added
141
Reduced
114
Sold out
49
Shares held by filers
34,279,200

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, Q1 2025

Filers in the available 13F reports with a share position at 2025-03-31, 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.4,029,559$642M0.01%-171,77413F-HRTimelineGroup
VANGUARD GROUP INCgroup of 2 filers holding3,227,467$514M-44,608Timeline
FMR LLCin group FMR LLC2,541,360$405M0.03%+21,82613F-HRTimelineGroup
UBS Group AGgroup of 2 filers holding1,598,104$255M+880,714Timeline
WASATCH ADVISORS LP1,524,107$243M1.35%+202,34213F-HRTimeline
Dragoneer Investment Group, LLC1,297,603$207M4.35%+426,49313F-HRTimeline
BAILLIE GIFFORD & COin group BAILLIE GIFFORD & CO1,159,754$185M0.16%-96,25113F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP1,008,059$161M0.01%-54,08713F-HRTimelineGroup
Invesco Ltd.in group Invesco Ltd.858,572$137M0.03%+65,49213F-HRTimelineGroup
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC692,918$110M0.31%-209,69313F-HRTimeline
JANUS HENDERSON GROUP PLCin group Janus Henderson642,760$101M0.06%+75,44813F-HRTimelineGroup
MACQUARIE GROUP LTDin group MACQUARIE GROUP LTD558,227$88.9M0.11%+20,63313F-HR/ATimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC511,209$81.5M0.01%+24,86813F-HRTimelineGroup
TimesSquare Capital Management, LLC476,217$75.9M1.22%+42,41113F-HRTimeline
MORGAN STANLEYin group MORGAN STANLEY439,118$69.9M0.01%-145,51013F-HRTimelineGroup
Champlain Investment Partners, LLC435,762$69.4M0.5%-8,64713F-HRTimeline
FRONTIER CAPITAL MANAGEMENT CO LLC433,487$69M0.76%+14,63313F-HRTimeline
BAMCO INC /NY/in group Baron Capital422,693$67.3M0.2%+74,89313F-HRTimelineGroup
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO399,713$63.7M<0.01%-119,83613F-HRTimelineGroup
Bank of New York Mellon Corpin group Bank of New York Mellon Corp380,260$60.6M0.01%-200,61113F-HRTimelineGroup
Artisan Partners Limited Partnership373,394$59.5M0.1%-76,81613F-HRTimeline
BROWN CAPITAL MANAGEMENT LLC352,340$56.1M1.69%+47,56013F-HRTimeline
CONGRESS ASSET MANAGEMENT CO307,555$49M0.37%+299,94913F-HRTimeline
EVENTIDE ASSET MANAGEMENT, LLC306,301$48.8M0.97%+181,21113F-HRTimeline
Allspring Global Investments Holdings, …in group Allspring Global Investments …306,740$48.5M0.08%-19,55913F-HRTimelineGroup
BRAIDWELL LP302,410$48.2M1.69%+9,00013F-HRTimeline
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co287,892$45.9M0.01%-8,31513F-HR/ATimelineGroup
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP277,681$44.2M0.01%+45,34813F-HRTimelineGroup
NORTHERN TRUST CORPin group NORTHERN TRUST CORP260,407$41.5M0.01%+16,15813F-HRTimelineGroup
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC236,496$37.7M0.01%-20,29613F-HRTimelineGroup
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC242,203$37.1M0.04%-196,64113F-HRTimelineGroup
Franklin Resourcesgroup of 2 filers holding230,722$36.7M-7,187Timeline
THORNBURG INVESTMENT MANAGEMENT INC22,904$36.5M0.05%-1,96513F-HRTimeline
FEDERATED HERMES, INC.in group FEDERATED HERMES, INC.228,330$36.4M0.08%013F-HRTimelineGroup
WELLINGTON MANAGEMENT GROUP LLPin group WELLINGTON MANAGEMENT GROUP L…207,535$33.1M0.01%-36,85313F-HRTimelineGroup
KEYBANK NATIONAL ASSOCIATION/OHin group KEYBANK NATIONAL ASSOCIATION/…201,070$32M0.13%+31113F-HRTimelineGroup
Connor, Clark & Lunn Investment Managem…196,184$31.2M0.14%+18,59613F-HRTimeline
RENAISSANCE TECHNOLOGIES LLC190,700$30.4M0.05%+54,00013F-HRTimeline
Eversept Partners, LP186,425$29.7M3.36%-107,87713F-HRTimeline
GILDER GAGNON HOWE & CO LLC183,653$29.3M0.38%-4,04013F-HRTimeline
NEW YORK STATE COMMON RETIREMENT FUND182,750$29.1M0.04%+35,07113F-HR/ATimeline
SEI INVESTMENTS COin group SEI INVESTMENTS CO171,751$27.4M0.04%+8,27713F-HR/ATimelineGroup
Amundiin group Amundi182,253$27.2M0.01%-21,10013F-HRTimelineGroup
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC164,936$26.3M0.03%+8,36113F-HR/ATimelineGroup
NORGES BANK161,961$25.8M<0.01%+104,34413F-HR/ATimeline
Atika Capital Management LLCin group Atika Capital Management LLC160,600$25.6M3.93%+3,00013F-HRTimelineGroup
PRINCIPAL FINANCIAL GROUP INCgroup of 2 filers holding147,811$23.5M+1,458Timeline
Thrivent Financial for Lutheransin group Thrivent Financial for Luther…140,932$22.4M0.05%+11,81213F-HR/ATimelineGroup
Nuveen, LLCin group TIAA136,622$21.8M0.01%13F-HRTimelineGroup
LOS ANGELES CAPITAL MANAGEMENT LLC136,174$21.7M0.1%+45,63213F-HRTimeline
RIVERBRIDGE PARTNERS LLC132,391$21.1M0.34%-9,70613F-HRTimeline
Man Group plcin group Man Group plc129,842$20.7M0.06%-46,08413F-HRTimelineGroup
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC122,060$19.4M0.01%+17,30413F-HRTimelineGroup
Aberdeen Group plcin group Aberdeen Group plc121,361$19.3M0.04%013F-HRTimelineGroup
JACOBS LEVY EQUITY MANAGEMENT, INC110,594$17.6M0.07%-99,56613F-HRTimeline
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/106,414$16.9M<0.01%+60,01813F-HRTimelineGroup
Granite Investment Partners, LLC104,116$16.6M0.84%+90,64413F-HRTimeline
NEUBERGER BERMAN GROUP LLCin group NEUBERGER BERMAN GROUP LLC100,154$16M0.01%+15,92913F-HRTimelineGroup
Rock Springs Capital Management LP99,250$15.8M0.9%-30,75013F-HRTimeline
Bellevue Group AGin group Bellevue Group AG99,027$15.8M0.35%-49,45113F-HRTimelineGroup
Public Sector Pension Investment Board94,060$15M0.06%+19,40113F-HRTimeline
Legal & General Group Plcin group Legal & General Group Plc93,979$15M<0.01%-1,49913F-HRTimelineGroup
Catalio Capital Management, LP85,877$13.7M3.39%new13F-HRTimeline
Caisse de depot et placement du Quebec85,167$13.6M0.03%+81,18413F-HRTimeline
Eagle Health Investments LP81,121$12.9M3.36%-55,48213F-HRTimeline
VICTORY CAPITAL MANAGEMENT INC78,937$12.6M0.01%+1,46813F-HRTimeline
Tri Locum Partners LP78,812$12.6M6.44%-71,97613F-HRTimeline
Bridgewater Associates, LP72,851$11.6M0.05%+69,68913F-HRTimeline
WCM INVESTMENT MANAGEMENT, LLC72,860$11.5M0.03%+17,12513F-HRTimeline
Driehaus Capital Management LLC71,745$11.4M0.11%new13F-HRTimeline
RHUMBLINE ADVISERS71,535$11.4M0.01%-2,11513F-HR/ATimeline
MAIRS & POWER INC70,776$11.3M0.12%+6,10513F-HRTimeline
Mitsubishi UFJ Trust & Banking Corpgroup of 2 filers holding70,526$11.2M-5,929Timeline
STATE OF WISCONSIN INVESTMENT BOARD67,811$10.8M0.03%+2,12313F-HRTimeline
CREDIT AGRICOLE S Ain group CREDIT AGRICOLE S A67,177$10.7M0.04%-50,89913F-HRTimelineGroup
JENNISON ASSOCIATES LLC66,602$10.6M0.01%+19,01613F-HRTimeline
FIRST TRUST ADVISORS LPin group FIRST TRUST ADVISORS LP65,385$10.4M0.01%-36,22913F-HRTimelineGroup
Integral Health Asset Management, LLC65,000$10.4M1.15%-35,00013F-HRTimeline
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC60,286$9.6M0.01%+7,86513F-HRTimelineGroup
ALGERT GLOBAL LLC59,820$9.53M0.24%+16,80813F-HR/ATimeline
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS59,650$9.5M0.01%+51,65913F-HRTimelineGroup
Swiss National Bank58,100$9.25M0.01%-50013F-HRTimeline
FRED ALGER MANAGEMENT, LLCin group FRED ALGER MANAGEMENT, LLC57,419$9.15M0.05%-5,70613F-HRTimelineGroup
PRICE T ROWE ASSOCIATES INC /MD/56,414$8.99M<0.01%-1,51813F-HRTimeline
LAZARD ASSET MANAGEMENT LLCin group LAZARD ASSET MANAGEMENT LLC55,569$8.85M0.01%-8,71313F-HRTimelineGroup
ExodusPoint Capital Management, LP54,877$8.74M0.12%-97,78313F-HRTimeline
TWO SIGMA INVESTMENTS, LPgroup of 2 filers holding53,769$8.56M+37,385Timeline
M&G PLCin group M&G PLC52,909$8.41M0.04%+3,20513F-HRTimelineGroup
Rheos Capital Works Inc.52,400$8.35M0.68%013F-HRTimeline
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC51,422$8.19M<0.01%+18,85713F-HR/ATimelineGroup
KORNITZER CAPITAL MANAGEMENT INC /KS50,240$8M0.16%013F-HRTimeline
Impax Asset Management Group plcin group Impax Asset Management Group …50,000$7.96M0.05%013F-HRTimelineGroup
CAPITAL FUND MANAGEMENT S.A.47,642$7.59M0.1%-33,34213F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF O…47,300$7.53M0.03%+12,12213F-HRTimeline
TEACHERS RETIREMENT SYSTEM OF THE STATE…44,995$7.17M0.06%-2,89313F-HRTimeline
Trexquant Investment LP41,576$6.62M0.08%+7,70513F-HRTimeline
Kopp Family Office, LLC41,041$6.54M4.52%013F-HRTimeline
Soleus Capital Management, L.P.39,000$6.21M0.49%new13F-HRTimeline
California Public Employees Retirement …38,532$6.14M<0.01%-3613F-HRTimeline
Beck Bode, LLC36,520$5.82M1.08%+1,80913F-HRTimeline
Bullseye Asset Management LLC36,128$5.75M3.11%013F-HRTimeline
CW Advisors, LLC34,384$5.48M0.07%new13F-HRTimeline
ENVESTNET ASSET MANAGEMENT INCin group ENVESTNET ASSET MANAGEMENT INC34,151$5.44M<0.01%+8,48413F-HRTimelineGroup
INTECH INVESTMENT MANAGEMENT LLC34,094$5.43M0.06%+21,29713F-HRTimeline
OSTERWEIS CAPITAL MANAGEMENT INCin group OSTERWEIS CAPITAL MANAGEMENT …33,143$5.28M0.26%new13F-HR/ATimelineGroup
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA32,769$5.22M<0.01%+4,52813F-HR/ATimelineGroup
Baird Financial Group, Inc.in group Baird Financial Group, Inc.31,298$4.99M0.01%+2,90713F-HRTimelineGroup
STATE BOARD OF ADMINISTRATION OF FLORID…31,110$4.96M0.01%013F-HRTimeline
SCHRODER INVESTMENT MANAGEMENT GROUP30,562$4.87M<0.01%new13F-HRTimeline
PRUDENTIAL FINANCIAL INCin group PRUDENTIAL FINANCIAL INC27,886$4.81M0.01%-85413F-HRTimelineGroup
BARCLAYS PLCin group BARCLAYS PLC28,686$4.57M<0.01%+31113F-HR/ATimelineGroup
LMCG INVESTMENTS, LLC27,840$4.43M0.29%+97213F-HRTimeline
CALIFORNIA STATE TEACHERS RETIREMENT SY…27,554$4.39M0.01%-31113F-HRTimeline
OAK RIDGE INVESTMENTS LLC26,090$4.16M0.35%+1,18613F-HRTimeline
CANADA LIFE ASSURANCE Coin group CANADA LIFE ASSURANCE Co25,583$4.08M0.01%-3,23613F-HRTimelineGroup
COMERICA BANK23,873$3.8M0.02%-1,28613F-HRTimeline
CITIGROUP INCin group CITIGROUP INC23,784$3.79M<0.01%+4,48813F-HRTimelineGroup
Nippon Life Global Investors Americas, …23,380$3.72M0.18%013F-HRTimeline
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…22,841$3.64M<0.01%+4,71513F-HRTimelineGroup
NEW YORK STATE TEACHERS RETIREMENT SYST…21,390$3.41M0.01%+12,19613F-HRTimeline
MONIMUS CAPITAL MANAGEMENT, LP20,093$3.2M2.72%-7,41113F-HRTimeline
Fieldview Capital Management, LLC19,876$3.17M0.45%new13F-HRTimeline
Cetera Investment Advisers18,951$3.02M0.01%+2,23113F-HRTimeline
B. Metzler seel. Sohn & Co. AGin group B. Metzler seel. Sohn & Co. AG18,687$2.98M0.03%+5,26213F-HRTimelineGroup
Universal- Beteiligungs- und Serviceges…in group Universal- Beteiligungs- und …18,535$2.95M0.01%new13F-HRTimelineGroup
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC18,432$2.94M<0.01%+7,21813F-HRTimelineGroup
PDT Partners, LLC18,044$2.87M0.2%+213F-HRTimeline
State of Alaska, Department of Revenue16,440$2.62M0.03%-59113F-HRTimeline
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN16,348$2.6M<0.01%-2,66513F-HRTimelineGroup
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC16,246$2.59M<0.01%+11,19513F-HRTimelineGroup
Rhenman & Partners Asset Management AB16,000$2.55M0.29%-134,04113F-HRTimeline
Centiva Capital, LP15,616$2.49M0.14%+4,27613F-HRTimeline
MARSHALL WACE, LLPin group MARSHALL WACE, LLP15,328$2.44M<0.01%-261,80313F-HRTimelineGroup
OPPENHEIMER ASSET MANAGEMENT INC.in group OPPENHEIMER ASSET MANAGEMENT …15,206$2.42M0.03%+2,17913F-HRTimelineGroup
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.14,838$2.36M0.01%-16313F-HRTimelineGroup
State of Tennessee, Department of Treas…14,779$2.35M0.01%+55013F-HRTimeline
TOWNSQUARE CAPITAL LLC14,750$2.35M0.03%new13F-HRTimeline
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.14,595$2.32M<0.01%+6,84213F-HRTimelineGroup
Nebula Research & Development LLC14,554$2.32M0.21%+11,59613F-HRTimeline
AGF MANAGEMENT LTDin group AGF MANAGEMENT LTD14,526$2.31M0.01%+1,72013F-HRTimelineGroup
Louisiana State Employees Retirement Sy…14,000$2.23M0.04%-50013F-HRTimeline
ZACKS INVESTMENT MANAGEMENT13,664$2.18M0.02%+1,00713F-HRTimeline
Treasurer of the State of North Carolina13,404$2.13M0.01%+52013F-HRTimeline
Gilliland Jeter Wealth Management LLC12,708$2.02M0.72%-1513F-HRTimeline
YOUSIF CAPITAL MANAGEMENT, LLC11,238$1.79M0.02%-34213F-HRTimeline
Ensign Peak Advisors, Inc11,200$1.78M<0.01%-1,14713F-HRTimeline
AZZAD ASSET MANAGEMENT INC /ADV10,976$1.75M0.21%new13F-HR/ATimeline
ALLIANCEBERNSTEIN L.P.10,921$1.74M<0.01%+313F-HRTimeline
Police & Firemen's Retirement System of…10,735$1.71M0.02%+24013F-HRTimeline
DANSKE BANK A/S10,712$1.71M0.01%+95913F-HRTimeline
EXCHANGE TRADED CONCEPTS, LLC10,706$1.71M0.03%+10,20313F-HRTimeline
State of New Jersey Common Pension Fund…in group State of New Jersey Common Pe…10,682$1.7M0.01%-1,24213F-HRTimelineGroup
AIA Group Ltdin group AIA Group Ltd10,412$1.66M0.04%-1,35413F-HRTimelineGroup
LPL Financial LLC10,126$1.61M<0.01%+31513F-HRTimeline
Handelsbanken Fonder AB10,000$1.59M0.01%+1,60013F-HRTimeline
Maryland State Retirement & Pension Sys…9,975$1.59M0.04%-1,82213F-HRTimeline
DARK FOREST CAPITAL MANAGEMENT LP9,887$1.57M0.07%+8,44813F-HRTimeline
MassMutual Private Wealth & Trust, FSB9,699$1.54M0.04%-54013F-HRTimeline
CANADA PENSION PLAN INVESTMENT BOARD9,500$1.51M<0.01%new13F-HRTimeline
AMALGAMATED BANK9,442$1.5M0.01%-26513F-HRTimeline
ARIZONA STATE RETIREMENT SYSTEM8,596$1.37M0.01%-5913F-HRTimeline
Employees Retirement System of Texas8,580$1.37M0.01%013F-HRTimeline
SUSQUEHANNA INTERNATIONAL GROUP, LLPin group SUSQUEHANNA INTERNATIONAL GRO…8,507$1.35M<0.01%+5,82613F-HRTimelineGroup
Jackson Creek Investment Advisors LLC8,461$1.35M0.43%new13F-HRTimeline
TEACHER RETIREMENT SYSTEM OF TEXAS8,371$1.33M0.01%-5,30813F-HRTimeline
COMMONWEALTH EQUITY SERVICES, LLC8,311$1.32M<0.01%+32713F-HRTimeline
Zurcher Kantonalbank (Zurich Cantonalba…8,031$1.28M<0.01%+36913F-HRTimeline
OCONNOR, A Distinct Business Unit of UB…8,000$1.27M0.03%new13F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
MML INVESTORS SERVICES, LLC7,948$1.27M<0.01%+713F-HRTimeline
LANDSCAPE CAPITAL MANAGEMENT, L.L.C.in group LANDSCAPE CAPITAL MANAGEMENT,…7,659$1.22M0.11%new13F-HRTimelineGroup
BESSEMER GROUP INCin group BESSEMER GROUP INC7,183$1.15M<0.01%+12313F-HRTimelineGroup
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCH…7,100$1.13M0.01%+70313F-HRTimeline
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …6,821$1.09M<0.01%+45713F-HRTimelineGroup
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\6,821$1.09M<0.01%+53713F-HRTimelineGroup
OREGON PUBLIC EMPLOYEES RETIREMENT FUND6,803$1.08M0.02%-25113F-HRTimeline
Integrated Quantitative Investments LLC6,800$1.08M0.53%013F-HRTimeline
OAK ASSOCIATES LTD /OH/6,785$1.08M0.08%new13F-HRTimeline
ABN AMRO Bank N.V.6,728$1.07M0.01%+28113F-HRTimeline
WINTON GROUP Ltdin group WINTON GROUP Ltd6,632$1.06M0.06%+65513F-HRTimelineGroup
Verition Fund Management LLC6,514$1.04M0.01%-25213F-HRTimeline
Cerity Partners LLCin group Cerity Partners LLC6,359$1.01M<0.01%-5,40313F-HRTimelineGroup
STIFEL FINANCIAL CORPin group STIFEL FINANCIAL CORP6,297$1M<0.01%+3,83213F-HRTimelineGroup
VIRGINIA RETIREMENT SYSTEMS ET Al5,894$939K0.01%13F-HRTimeline
Northwest & Ethical Investments L.P.5,724$912K0.02%-5,30113F-HRTimeline
KLP KAPITALFORVALTNING AS5,700$908K<0.01%-70013F-HRTimeline
BANK OF MONTREAL /CAN/in group BANK OF MONTREAL /CAN/5,541$883K<0.01%+1,01913F-HRTimelineGroup
Valeo Financial Advisors, LLC5,502$876K0.02%+6013F-HRTimeline
Bayforest Capital Ltd5,491$875K0.38%+5,27713F-HR/ATimeline
Allianz Asset Management GmbHin group Allianz SE5,000$796K<0.01%+7813F-HRTimelineGroup
Quadrature Capital Ltdin group Quadrature Capital Ltd4,880$778K0.02%-4,23813F-HRTimelineGroup
Lisanti Capital Growth, LLC4,810$766K0.23%new13F-HRTimeline
Fox Hill Wealth Management4,723$752K0.44%new13F-HRTimeline
CWM, LLCin group CWM, LLC4,692$747K<0.01%-5,20713F-HRTimelineGroup
DIVERSIFIED TRUST CO4,678$745K0.02%-813F-HRTimeline
MAI Capital Management4,634$738K0.01%013F-HRTimeline
CONNABLE OFFICE INC4,633$738K0.08%013F-HRTimeline
BLAIR WILLIAM & CO/IL4,631$738K<0.01%-18513F-HRTimeline
WEALTH ENHANCEMENT ADVISORY SERVICES, L…4,541$723K<0.01%-6,21913F-HRTimeline
Pictet Asset Management Holding SAin group Pictet Asset Management Holdi…4,479$713K<0.01%+18113F-HRTimelineGroup
Edgestream Partners, L.P.4,437$707K0.02%new13F-HRTimeline