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Disclosery

MLAB MESA LABS INC

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Stock (common), issuer CIK 724004

158 managers (159 13F filers) reported a position in MLAB shares at 2025-12-31, 4,744,879 shares in all. 33 filers opened a position and 12 filers sold out during the quarter.

Managers
158
13F filers
159
New
33
Added
55
Reduced
44
Sold out
12
Shares held by filers
4,744,879

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

Each filer's latest stake. The shares are the aggregate the reporting persons state, which can include entities that file no 13F.

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.398,666$31.3M<0.01%+9,87113F-HRTimelineGroup
VANGUARD GROUP INCin group VANGUARD GROUP INC321,899$25.3M<0.01%+18213F-HRTimelineGroup
Long Path Partners LP227,223$17.8M6.1%new13F-HRTimeline
Boston Partnersin group Boston Trust Walden Corp213,376$16.8M0.02%+99,01913F-HRTimelineGroup
Select Equity Group, L.P.206,435$16.2M0.08%+79,72013F-HRTimeline
Ranger Investment Management, L.P.205,263$16.1M1.11%-4,43713F-HRTimeline
GENEVA CAPITAL MANAGEMENT LLC178,713$14M0.26%-12,67313F-HRTimeline
MORGAN STANLEYin group MORGAN STANLEY175,589$13.8M<0.01%-79,38513F-HR/ATimelineGroup
ROYCE & ASSOCIATES LP153,352$12M0.12%+4,79413F-HRTimeline
KENNEDY CAPITAL MANAGEMENT LLC144,606$11.4M0.24%+23,06013F-HRTimeline
Diamond Hill Capital Management, LLC (I…141,973$11.1M0.06%+18,59213F-HRTimeline
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC127,950$10M<0.01%+9013F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP120,641$9.47M<0.01%+1,69313F-HRTimelineGroup
JANUS HENDERSON GROUP PLCin group Janus Henderson116,642$9.16M<0.01%-29,01213F-HRTimelineGroup
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP116,363$9.13M<0.01%-40913F-HRTimelineGroup
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…116,337$9.13M0.01%+17,15013F-HRTimelineGroup
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC100,397$7.89M<0.01%+52,99513F-HRTimelineGroup
Meros Investment Management, LP85,017$6.67M2.65%+8,54013F-HRTimeline
CRAWFORD INVESTMENT COUNSEL INC81,220$6.38M0.11%-1,24713F-HRTimeline
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.76,565$6.01M<0.01%+43,75413F-HRTimelineGroup
MASON CAPITAL MANAGEMENT LLC70,300$5.52M0.98%013F-HRTimeline
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC70,138$5.51M<0.01%+37,49913F-HRTimelineGroup
GAMCO Investors (Gabelli)group of 2 filers holding68,478$5.38M+6,292Timeline
NORTHERN TRUST CORPin group NORTHERN TRUST CORP65,651$5.15M<0.01%-6,31513F-HRTimelineGroup
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co61,913$4.86M<0.01%+7,30813F-HRTimelineGroup
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC58,521$4.59M<0.01%+24,34313F-HRTimelineGroup
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC56,371$4.43M0.01%+18,14413F-HRTimelineGroup
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC55,268$4.34M<0.01%+13,48713F-HR/ATimelineGroup
Roubaix Capital, LLC55,189$4.33M1.85%-21,46813F-HRTimeline
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/54,664$4.29M<0.01%+7,56513F-HRTimelineGroup
HERALD INVESTMENT MANAGEMENT Ltd50,000$3.92M0.51%013F-HRTimeline
Trexquant Investment LP46,121$3.62M0.03%+21,03113F-HRTimeline
Bank of New York Mellon Corpin group Bank of New York Mellon Corp44,774$3.51M<0.01%+11,09113F-HRTimelineGroup
MONIMUS CAPITAL MANAGEMENT, LP40,842$3.21M2.12%+7,09813F-HRTimeline
JACOBS LEVY EQUITY MANAGEMENT, INC38,842$3.05M0.01%+34,98513F-HRTimeline
Qube Research & Technologies Ltd28,130$2.21M<0.01%-2,59513F-HRTimeline
TUDOR INVESTMENT CORP ET AL27,426$2.15M0.01%+21,08513F-HRTimeline
BBR PARTNERS, LLC25,195$1.98M0.11%013F-HRTimeline
Irenic Capital Management LP25,000$1.96M0.26%new13F-HRTimeline
STATE OF WISCONSIN INVESTMENT BOARD22,606$1.77M<0.01%+4,20013F-HRTimeline
FRANKLIN RESOURCES INCin group Franklin Resources22,074$1.73M<0.01%new13F-HRTimelineGroup
SEGALL BRYANT & HAMILL, LLC18,203$1.43M0.02%-8413F-HRTimeline
KING LUTHER CAPITAL MANAGEMENT CORP17,411$1.37M0.01%-2,51013F-HRTimeline
Numerai GP LLC14,909$1.17M0.14%+11,29913F-HRTimeline
PRINCIPAL FINANCIAL GROUP INCgroup of 2 filers holding14,892$1.17M+4,806Timeline
Connor, Clark & Lunn Investment Managem…14,369$1.13M<0.01%new13F-HRTimeline
RICE HALL JAMES & ASSOCIATES, LLC14,217$1.12M0.06%-2,92813F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF O…13,722$1.08M<0.01%013F-HRTimeline
Quadrature Capital Ltdin group Quadrature Capital Ltd13,528$1.06M0.01%new13F-HRTimelineGroup
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC13,470$1.06M<0.01%+73513F-HRTimelineGroup
Point72 Asset Management, L.P.in group Point72 Asset Management, L.P.13,458$1.06M<0.01%new13F-HRTimelineGroup
Man Group plcin group Man Group plc13,387$1.05M<0.01%new13F-HRTimelineGroup
Invesco Ltd.in group Invesco Ltd.12,845$1.01M<0.01%+1,35013F-HRTimelineGroup
XTX Topco Ltdin group XTX Topco Ltd12,601$989K0.03%new13F-HRTimelineGroup
Creative Planningin group Creative Planning12,437$976K<0.01%+3,70513F-HRTimelineGroup
TWO SIGMA INVESTMENTS, LPin group TWO SIGMA INVESTMENTS, LP12,235$960K<0.01%+2,61213F-HRTimelineGroup
GSA CAPITAL PARTNERS LLP11,614$912K0.08%+84613F-HRTimeline
STIFEL FINANCIAL CORPin group STIFEL FINANCIAL CORP11,275$885K<0.01%+1,17013F-HRTimelineGroup
Nuveen, LLCin group TIAA10,078$791K<0.01%013F-HRTimelineGroup
ACADIAN ASSET MANAGEMENT LLCin group ACADIAN ASSET MANAGEMENT LLC9,665$757K<0.01%+5,62313F-HRTimelineGroup
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS9,406$738K<0.01%+8,37713F-HRTimelineGroup
UBS Group AGin group UBS Group AG8,825$693K<0.01%-10,33613F-HRTimelineGroup
SEI INVESTMENTS COin group SEI INVESTMENTS CO8,371$657K<0.01%+2,84613F-HRTimelineGroup
BARCLAYS PLCin group BARCLAYS PLC8,186$643K<0.01%+52313F-HRTimelineGroup
MARSHALL WACE, LLPin group MARSHALL WACE, LLP7,137$560K<0.01%-7,46313F-HRTimelineGroup
ExodusPoint Capital Management, LP6,937$545K0.01%new13F-HRTimeline
ENVESTNET ASSET MANAGEMENT INCin group ENVESTNET ASSET MANAGEMENT INC6,932$544K<0.01%-9,75013F-HRTimelineGroup
RHUMBLINE ADVISERS6,617$519K<0.01%-92313F-HRTimeline
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPin group ARROWSTREET CAPITAL, LIMITED …6,228$489K<0.01%new13F-HRTimelineGroup
Dynamic Technology Lab Private Ltd6,190$486K0.11%new13F-HRTimeline
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN5,752$452K<0.01%+57613F-HRTimelineGroup
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA5,457$429K<0.01%-21,42513F-HRTimelineGroup
ALLIANCEBERNSTEIN L.P.5,424$426K<0.01%013F-HRTimeline
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…5,055$397K<0.01%+2,57913F-HRTimelineGroup
LPL Financial LLC4,984$391K<0.01%-82913F-HRTimeline
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC4,465$351K<0.01%-129,35213F-HRTimelineGroup
Aquatic Capital Management LLC4,446$349K0.01%+83613F-HRTimeline
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\4,440$349K<0.01%+24813F-HRTimelineGroup
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO4,100$322K<0.01%-22113F-HRTimelineGroup
Balyasny Asset Management L.P.in group Balyasny Asset Management3,792$298K<0.01%-18013F-HRTimelineGroup
Graham Capital Management, L.P.3,723$292K0.01%new13F-HRTimeline
CANADA PENSION PLAN INVESTMENT BOARD3,700$290K<0.01%new13F-HRTimeline
Quantinno Capital Management LP3,661$287K<0.01%new13F-HRTimeline
Brooklyn Investment Group3,576$286K0.01%new13F-HRTimeline
SG Americas Securities, LLC3,609$283K<0.01%new13F-HRTimeline
RENAISSANCE TECHNOLOGIES LLC3,500$275K<0.01%-7,40013F-HRTimeline
EntryPoint Capital, LLC3,469$272K0.11%-77613F-HRTimeline
Kings Path Partners LLC3,405$267K0.09%013F-HRTimeline
Cerity Partners LLCin group Cerity Partners LLC3,361$264K<0.01%new13F-HRTimelineGroup
Mariner, LLCin group Mariner, LLC3,313$260K<0.01%new13F-HRTimelineGroup
PRICE T ROWE ASSOCIATES INC /MD/3,141$247K<0.01%-97213F-HRTimeline
Engineers Gate Manager LP3,031$238K<0.01%new13F-HRTimeline
MetLife Investment Management, LLCin group MetLife Investment Management…2,888$227K<0.01%013F-HRTimelineGroup
Squarepoint Ops LLCin group Squarepoint Ops LLC2,747$216K<0.01%new13F-HRTimelineGroup
STATE BOARD OF ADMINISTRATION OF FLORID…2,564$201K<0.01%new13F-HRTimeline
NEW YORK STATE COMMON RETIREMENT FUND2,143$168K<0.01%013F-HRTimeline
AlphaQuest LLC2,116$166K0.01%-3,95513F-HRTimeline
Quantbot Technologies LP2,095$164K0.01%-56713F-HRTimeline
CWM, LLCin group CWM, LLC1,485$117K<0.01%+88813F-HRTimelineGroup
US BANCORP \DE\in group US BANCORP \DE\1,337$105K<0.01%+63513F-HRTimelineGroup
Police & Firemen's Retirement System of…1,331$104K<0.01%013F-HRTimeline
Smartleaf Asset Management LLC1,202$94.5K<0.01%-9713F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION…1,181$93K<0.01%013F-HRTimeline
FMR LLCin group FMR LLC846$66.4K<0.01%+24013F-HRTimelineGroup
Asset Dedication, LLC830$65.2K<0.01%013F-HRTimeline
Geneos Wealth Management Inc.728$57.1K<0.01%013F-HRTimeline
Kestra Advisory Services, LLCin group Kestra Advisory Services, LLC700$55K<0.01%new13F-HRTimelineGroup
Arax Advisory Partners692$54.3K<0.01%+7713F-HRTimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…564$44.3K<0.01%+12313F-HRTimelineGroup
Legal & General Group Plcin group Legal & General Group Plc548$43K<0.01%-2613F-HRTimelineGroup
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…509$40K<0.01%013F-HRTimelineGroup
SRH ADVISORS, LLC500$39.2K0.01%013F-HRTimeline
Farther Finance Advisors, LLC424$33.3K<0.01%-11113F-HRTimeline
Global Retirement Partners, LLC359$28.2K<0.01%+10413F-HRTimeline
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…338$26.5K<0.01%-6813F-HRTimelineGroup
CALIFORNIA STATE TEACHERS RETIREMENT SY…323$25.4K<0.01%-5913F-HRTimeline
State of Alaska, Department of Revenue278$21K<0.01%013F-HRTimeline
CITIGROUP INCin group CITIGROUP INC226$17.7K<0.01%-23813F-HRTimelineGroup
HUNTINGTON NATIONAL BANKin group HUNTINGTON NATIONAL BANK213$16.7K<0.01%-5713F-HRTimelineGroup
Hilltop National Bank200$15.7K<0.01%013F-HRTimeline
AMALGAMATED BANK165$13K<0.01%-2213F-HRTimeline
NISA INVESTMENT ADVISORS, LLC149$11.7K<0.01%+11113F-HRTimeline
Rockefeller Capital Management L.P.in group Rockefeller Capital Managemen…119$9.37K<0.01%-2913F-HR/ATimelineGroup
Covestor Ltd104$8K<0.01%-213F-HRTimeline
HARBOUR INVESTMENTS, INC.82$6.47K<0.01%013F-HRTimeline
COMERICA BANK81$6.41K<0.01%-42,30713F-HRTimeline
HANTZ FINANCIAL SERVICES, INC.60$5K<0.01%-2413F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
Versant Capital Management, Inc61$4.79K<0.01%013F-HRTimeline
Sound Income Strategies, LLC40$3.56K<0.01%new13F-HRTimeline
Allworth Financial LP40$3.14K<0.01%+1413F-HRTimeline
BESSEMER GROUP INCin group BESSEMER GROUP INC42$3K<0.01%-16313F-HRTimelineGroup
Sterling Capital Management LLC36$2.83K<0.01%+2313F-HRTimeline
LOS ANGELES CAPITAL MANAGEMENT LLC34$2.58K<0.01%new13F-HRTimeline
SageView Advisory Group, LLC30$2.35K<0.01%new13F-HRTimeline
ROTHSCHILD INVESTMENT LLC25$1.96K<0.01%+2013F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…24$1.88K<0.01%+1113F-HRTimelineGroup
GAMMA Investing LLC18$1.41K<0.01%-1913F-HRTimeline
Larson Financial Group LLC17$1.33K<0.01%new13F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.14$1.1K<0.01%-213F-HRTimelineGroup
Essential Partners LLC14$1.1K<0.01%+713F-HRTimeline
Parkside Financial Bank & Trust10$785<0.01%new13F-HRTimeline
QUADRANT CAPITAL GROUP LLC10$785<0.01%new13F-HRTimeline
Cedar Mountain Advisors, LLC10$785<0.01%013F-HRTimeline
MAI Capital Management9$707<0.01%new13F-HRTimeline
Cornerstone Financial Management LLC7$550<0.01%13F-HR/ATimeline
SIGNATUREFD, LLC6$471<0.01%013F-HRTimeline
Sunbelt Securities, Inc.5$392<0.01%new13F-HRTimeline
Salomon & Ludwin, LLC4$349<0.01%013F-HRTimeline
True Wealth Design, LLC4$314<0.01%+213F-HRTimeline
TUCKER ASSET MANAGEMENT LLC3$236<0.01%new13F-HRTimeline
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP2$157<0.01%013F-HRTimelineGroup
SJS Investment Consulting Inc.2$157<0.01%new13F-HRTimeline
Clearstead Advisors, LLC1$79<0.01%-3413F-HRTimeline
CIBC Private Wealth Group LLCin group CIBC Bancorp USA Inc.1$79<0.01%-4913F-HRTimelineGroup
Hughes Financial Services, LLC1$79<0.01%new13F-HRTimeline
GILPIN WEALTH MANAGEMENT, LLC1$79<0.01%13F-HRTimeline
IFP Advisors, Inc1$78<0.01%013F-HRTimeline
Bruce G. Allen Investments, LLC1$41<0.01%013F-HRTimeline

Events

  • WASATCH ADVISORS LP reported 387,129 MLAB shares, 6.9% of the class, as of 2026-09-30, in a 13G filed 2026-10-09. 0000814133-26-000124

    Accepted , ingested