Vault-13

MESA LABS INC MLAB

COM · Common Stock · CUSIP 59064R109 · ISIN US59064R1095

156 institutional holders +0 vs Q1 2024
4,892,0804.9m shares reported held*
90.4% of all shares outstanding*
$424.8mreported value*
22 new 40 added 63 reduced 25 sold out net sold ≈ $43.0m (-495.7k shares)

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($159.0k this quarter). Holder counts are more reliable. Shares outstanding: 5.4m as of 2024-05-31, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $86.83.

Trends to Q2 2024

Institutional holders

Managers reporting a position, each quarter

0100200Q3 22: 165Q4 22: 161Q1 23: 162Q2 23: 163Q3 23: 157Q4 23: 161Q1 24: 156Q2 24: 156156Q3 22Q1 23Q3 23Q1 24Q2 24
Numbers
QuarterHolders
Q3 2022165
Q4 2022161
Q1 2023162
Q2 2023163
Q3 2023157
Q4 2023161
Q1 2024156
Q2 2024156

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
1000100Q4 22: 87 bought or addedQ4 22: 72 cut or sold outQ4 22Q1 23: 74 bought or addedQ1 23: 62 cut or sold outQ2 23: 75 bought or addedQ2 23: 82 cut or sold outQ2 23Q3 23: 71 bought or addedQ3 23: 78 cut or sold outQ4 23: 73 bought or addedQ4 23: 76 cut or sold outQ4 23Q1 24: 76 bought or addedQ1 24: 75 cut or sold outQ2 24: 62 bought or addedQ2 24: 88 cut or sold outQ2 24
Numbers
QuarterBought or addedCut or sold out
Q4 20228772
Q1 20237462
Q2 20237582
Q3 20237178
Q4 20237376
Q1 20247675
Q2 20246288

Biggest buyers

JANUS HENDERSON GROUP PLC Added +111,711+111.7k
ROYCE & ASSOCIATES LP Added +110,762+110.8k
Meros Investment Management, LP New +28,299+28.3k
SEGALL BRYANT & HAMILL, LLC New +26,872+26.9k
JANE STREET GROUP, LLC New +22,442+22.4k
Russell Investments Group, Ltd. Added +12,460+12.5k
KENNEDY CAPITAL MANAGEMENT LLC Added +10,675+10.7k
DIMENSIONAL FUND ADVISORS LP Added +8,722+8.7k
MACKENZIE FINANCIAL CORP New +6,867+6.9k
Boston Partners New +6,725+6.7k

Biggest sellers

MORGAN STANLEY Reduced -516,683-516.7k
BOONE CAPITAL MANAGEMENT LLC Sold out -133,394-133.4k
BlackRock Inc. Reduced -27,492-27.5k
JPMORGAN CHASE & CO Reduced -19,828-19.8k
ZACKS INVESTMENT MANAGEMENT Reduced -18,299-18.3k
Motley Fool Asset Management LLC Sold out -16,488-16.5k
RENAISSANCE TECHNOLOGIES LLC Reduced -13,700-13.7k
Point72 Asset Management, L.P. Reduced -12,925-12.9k
MARSHALL WACE, LLP Reduced -11,853-11.9k
CITADEL ADVISORS LLC Reduced -9,085-9.1k

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
Conestoga Capital Advisors, LLC 13G · institution filed 2025-01-10 11.4% 618.1k≈ $61.5m 2025-01-10
Long Path Smaller Companies Fund, LP 13G · passive investor +1.3 pts · filed 2026-07-07 8.6% +1.3 pts 477.1k≈ $47.5m 2026-07-07
BlackRock, Inc. 13G · institution +1.0 pts · filed 2026-10-27 7.9% +1.0 pts 443.7k≈ $44.2m 2026-10-27
WASATCH ADVISORS LP 13G · institution new · filed 2026-10-09 6.9% new 387.1k≈ $38.5m 2026-10-09

Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-27)

Insider purchases and sales in Q2 2024

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

Officers and directors buying vs selling

Number of people, by quarter (10% owners not included)

BuyingSelling
202Q3 22: 1 buyingQ3 22: 2 sellingQ4 22: 0 buyingQ4 22: 2 sellingQ4 22Q1 23: 0 buyingQ1 23: 2 sellingQ2 23: 0 buyingQ2 23: 0 sellingQ2 23Q3 23: 0 buyingQ3 23: 2 sellingQ4 23: 0 buyingQ4 23: 1 sellingQ4 23Q1 24: 0 buyingQ1 24: 0 sellingQ2 24: 0 buyingQ2 24: 0 sellingQ2 24
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q3 20221$100.0k2$999.3k—
Q4 20220—2$478.9k—
Q1 20230—2$1.9m—
Q2 20230—0——
Q3 20230—2$1.1m$1.1m
Q4 20230—1$168.5k$168.5k
Q1 20240—0——
Q2 20240—0——

None reported in Q2 2024.

Holders, Q2 2024

#ManagerLocationShares Value% of their portfolioChangeShares change
1 BlackRock Inc. 0.00% of their portfolio New York, NY 803,496803.5k $69.7m $69.7m 0.00% Reduced -27.5k -27,492
2 Conestoga Capital Advisors, LLC 0.74% of their portfolio WAYNE, PA 572,615572.6k $49.7m $49.7m 0.74% Reduced -8.1k -8,129
3 ROYCE & ASSOCIATES LP 0.32% of their portfolio New York, NY 394,501394.5k $34.2m $34.2m 0.32% Added +110.8k +110,762
4 VANGUARD GROUP INC 0.00% of their portfolio Valley Forge, PA 366,408366.4k $31.8m $31.8m 0.00% Reduced -7.0k -6,989
5 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 237,589237.6k $20.6m $20.6m 0.00% Reduced -516.7k -516,683
6 Ranger Investment Management, L.P. 1.36% of their portfolio DALLAS, TX 230,469230.5k $20.0m $20.0m 1.36% Added +1.3k +1,315
7 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 196,020196.0k $17.0m $17.0m 0.00% Reduced -5.7k -5,712
8 GENEVA CAPITAL MANAGEMENT LLC 0.30% of their portfolio MILWAUKEE, WI 188,244188.2k $16.3m $16.3m 0.30% Reduced -6.1k -6,086
9 EAGLE ASSET MANAGEMENT INC 0.07% of their portfolio ST PETERSBURG, FL 149,662149.7k $13.2m $13.2m 0.07% Added +3.9k +3,898
10 DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio AUSTIN, TX 131,891131.9k $11.4m $11.4m 0.00% Added +8.7k +8,722
11 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 118,990119.0k $10.3m $10.3m 0.00% Added +6.1k +6,125
12 JANUS HENDERSON GROUP PLC 0.01% of their portfolio LONDON, X0 114,019114.0k $9.9m $9.9m 0.01% Added +111.7k +111,711
13 GLENMEDE TRUST CO NA 0.04% of their portfolio PHILADELPHIA, PA 98,77698.8k $8.6m $8.6m 0.04% Added +703 +703
14 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 90,34890.3k $7.8m $7.8m 0.00% Reduced -1.7k -1,685
15 RAYMOND JAMES & ASSOCIATES 0.00% of their portfolio ST PETERSBURG, FL 80,73980.7k $7.0m $7.0m 0.00% Added +6.3k +6,283
16 KENNEDY CAPITAL MANAGEMENT LLC 0.13% of their portfolio ST LOUIS, MO 70,37970.4k $6.1m $6.1m 0.13% Added +10.7k +10,675
17 Russell Investments Group, Ltd. 0.01% of their portfolio Seattle, WA 59,75159.8k $5.2m $5.2m 0.01% Added +12.5k +12,460
18 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 58,55958.6k $5.1m $5.1m 0.00% Reduced -954 -954
19 Granahan Investment Management, LLC 0.19% of their portfolio WALTHAM, MA 54,42454.4k $4.7m $4.7m 0.19% Added +2.2k +2,243
20 AMERIPRISE FINANCIAL INC 0.00% of their portfolio MINNEAPOLIS, MN 52,93252.9k $4.6m $4.6m 0.00% Reduced -960 -960
21 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 51,53551.5k $4.5m $4.5m 0.00% Added +2.7k +2,679
22 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 45,15945.2k $3.9m $3.9m 0.00% Added +881 +881
23 COMERICA BANK 0.02% of their portfolio DALLAS, TX 42,51042.5k $3.7m $3.7m 0.02% Reduced -292 -292
24 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 33,86733.9k $2.9m $2.9m 0.00% Reduced -521 -521
25 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 32,52232.5k $2.8m $2.8m 0.00% Reduced -74 -74
26 PRINCIPAL FINANCIAL GROUP INC 0.00% of their portfolio DES MOINES, IA 28,81528.8k $2.5m $2.5m 0.00% Reduced -904 -904
27 Meros Investment Management, LP 1.16% of their portfolio DALLAS, TX 28,29928.3k $2.5m $2.5m 1.16% New
28 SEGALL BRYANT & HAMILL, LLC 0.04% of their portfolio CHICAGO, IL 26,87226.9k $2.3m $2.3m 0.04% New
29 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 24,69524.7k $2.1m $2.1m 0.00% Reduced -9.1k -9,085
30 Keeley-Teton Advisors, LLC 0.26% of their portfolio Chicago, IL 23,74823.7k $2.1m $2.1m 0.26% Reduced -3 -3
31 JANE STREET GROUP, LLC 0.00% of their portfolio NEW YORK, NY 22,44222.4k $1.9m $1.9m 0.00% New
32 FRED ALGER MANAGEMENT, LLC 0.01% of their portfolio NEW YORK, NY 20,57020.6k $1.8m $1.8m 0.01% Reduced -172 -172
33 KING LUTHER CAPITAL MANAGEMENT CORP 0.01% of their portfolio FORT WORTH, TX 19,92119.9k $1.7m $1.7m 0.01% Reduced -7.9k -7,860
34 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 19,79919.8k $1.7m $1.7m 0.00% Reduced -1.3k -1,278
35 ENVESTNET ASSET MANAGEMENT INC 0.00% of their portfolio Berwyn, PA 19,46719.5k $1.7m $1.7m 0.00% Reduced -66 -66
36 AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio Greenwich, CT 18,00318.0k $1.6m $1.6m 0.00% Reduced -3.6k -3,631
37 PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO 0.01% of their portfolio COLUMBUS, OH 16,87116.9k $1.5m $1.5m 0.01% Unchanged
38 RICE HALL JAMES & ASSOCIATES, LLC 0.08% of their portfolio San Diego, CA 15,34215.3k $1.3m $1.3m 0.08% Reduced -993 -993
39 Legal & General Group Plc 0.00% of their portfolio London, X0 15,08515.1k $1.3m $1.3m 0.00% Reduced -45 -45
40 MARSHALL WACE, LLP 0.00% of their portfolio LONDON, X0 14,56014.6k $1.3m $1.3m 0.00% Reduced -11.9k -11,853
41 RHUMBLINE ADVISERS 0.00% of their portfolio BOSTON, MA 13,44413.4k $1.2m $1.2m 0.00% Reduced -3.2k -3,192
42 Nuveen Asset Management, LLC 0.00% of their portfolio CHICAGO, IL 13,10613.1k $1.1m $1.1m 0.00% Unchanged
43 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 13,00013.0k $1.1m $1.1m 0.00% Reduced -19.8k -19,828
44 Public Sector Pension Investment Board 0.01% of their portfolio MONTREAL, A8 11,26111.3k $977.1k $977.1k 0.01% Added +630 +630
45 Swiss National Bank 0.00% of their portfolio ZURICH, V8 10,60210.6k $919.9k $919.9k 0.00% Unchanged
46 STATE OF WISCONSIN INVESTMENT BOARD 0.00% of their portfolio MADISON, WI 10,53510.5k $914.1k $914.1k 0.00% Reduced -6.3k -6,281
47 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 9,2309.2k $800.9k $800.9k 0.00% Added +1.3k +1,254
48 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio NEW YORK, NY 8,3958.4k $728.4k $728.4k 0.00% Added +6.1k +6,080
49 Select Equity Group, L.P. 0.00% of their portfolio NEW YORK, NY 8,2738.3k $717.8k $717.8k 0.00% Reduced -1.1k -1,098
50 Point72 Asset Management, L.P. 0.00% of their portfolio STAMFORD, CT 7,8417.8k $680.3k $680.3k 0.00% Reduced -12.9k -12,925
51 CANADA LIFE ASSURANCE Co 0.00% of their portfolio WINNIPEG, A2 7,8347.8k $680.0k $680.0k 0.00% Added +866 +866
52 VICTORY CAPITAL MANAGEMENT INC 0.00% of their portfolio San Antonio, TX 7,3587.4k $638.5k $638.5k 0.00% Reduced -594 -594
53 LPL Financial LLC 0.00% of their portfolio FORT MILL, SC 6,9517.0k $603.1k $603.1k 0.00% Added +437 +437
54 MACKENZIE FINANCIAL CORP 0.00% of their portfolio TORONTO ONTARIO, A6 6,8676.9k $595.9k $595.9k 0.00% New
55 Kings Path Partners LLC 0.28% of their portfolio SUGAR LAND, TX 6,7766.8k $588.0k $588.0k 0.28% First filing
56 Boston Partners 0.00% of their portfolio BOSTON, MA 6,7256.7k $583.5k $583.5k 0.00% New
57 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio BALA CYNWYD, PA 5,8285.8k $505.7k $505.7k 0.00% New
58 LOS ANGELES CAPITAL MANAGEMENT LLC 0.00% of their portfolio LOS ANGELES, CA 5,5135.5k $478.4k $478.4k 0.00% Unchanged
59 State of Tennessee, Department of Treasury 0.00% of their portfolio NASHVILLE, TN 5,5045.5k $477.6k $477.6k 0.00% Added +1.0k +1,025
60 ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio NASHVILLE, TN 5,4435.4k $472.3k $472.3k 0.00% Unchanged
61 PRUDENTIAL FINANCIAL INC 0.00% of their portfolio NEWARK, NJ 5,4085.4k $469.3k $469.3k 0.00% Reduced -505 -505
62 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio WEST SACRAMENTO, CA 5,2515.3k $455.6k $455.6k 0.00% Reduced -116 -116
63 FRANKLIN RESOURCES INC 0.00% of their portfolio San Mateo, CA 5,0415.0k $437.4k $437.4k 0.00% Added +750 +750
64 ZACKS INVESTMENT MANAGEMENT 0.00% of their portfolio Chicago, IL 4,9505.0k $429.5k $429.5k 0.00% Reduced -18.3k -18,299
65 Allspring Global Investments Holdings, LLC 0.00% of their portfolio CHARLOTTE, NC 4,6614.7k $404.4k $404.4k 0.00% Reduced -383 -383
66 UBS Group AG 0.00% of their portfolio ZURICH, V8 4,3964.4k $381.4k $381.4k 0.00% Reduced -1.8k -1,815
67 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 4,3704.4k $379.2k $379.2k 0.00% Added +764 +764
68 Thrivent Financial for Lutherans 0.00% of their portfolio Minneapolis, MN 4,2544.3k $369.0k $369.0k 0.00% Reduced -191 -191
69 LAZARD ASSET MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 4,0664.1k $352.0k $352.0k 0.00% Added +2.4k +2,366
70 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 4,0464.0k $351.1k $351.1k 0.00% Reduced -3.5k -3,519
71 STIFEL FINANCIAL CORP 0.00% of their portfolio ST. LOUIS, MO 3,9073.9k $339.0k $339.0k 0.00% Reduced -213 -213
72 Centiva Capital, LP 0.02% of their portfolio New York, NY 3,7433.7k $324.8k $324.8k 0.02% New
73 Sequoia Financial Advisors, LLC 0.00% of their portfolio Akron, OH 3,6773.7k $319.1k $319.1k 0.00% New
74 DEERFIELD MANAGEMENT COMPANY, L.P. 0.01% of their portfolio New York, NY 3,5813.6k $310.7k $310.7k 0.01% New
75 Cambridge Investment Research Advisors, Inc. 0.00% of their portfolio FAIRFIELD, IA 3,3403.3k $290.0k $290.0k 0.00% Reduced -915 -915
76 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% of their portfolio CAUSEWAY BAY, K3 3,2543.3k $282.4k $282.4k 0.00% First filing
77 PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio BALTIMORE, MD 3,0323.0k $264.0k $264.0k 0.00% Added +159 +159
78 State of Alaska, Department of Revenue 0.00% of their portfolio JUNEAU, AK 3,0093.0k $261.0k $261.0k 0.00% Reduced -113 -113
79 Teton Advisors, Inc. 0.11% of their portfolio Rye, NY 3,0003.0k $260.3k $260.3k 0.11% Unchanged
80 CHOREO, LLC 0.00% of their portfolio ROCKFORD, IL 2,9973.0k $265.1k $265.1k 0.00% New
81 Corebridge Financial, Inc. 0.00% of their portfolio HOUSTON, TX 2,9883.0k $259.3k $259.3k 0.00% First filing
82 MetLife Investment Management, LLC 0.00% of their portfolio Whippany, NJ 2,9563.0k $256.5k $256.5k 0.00% Added +288 +288
83 Illinois Municipal Retirement Fund 0.00% of their portfolio OAK BROOK, IL 2,8282.8k $245.4k $245.4k 0.00% Reduced -79 -79
84 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 2,7832.8k $241.5k $241.5k 0.00% Reduced -258 -258
85 Creative Planning 0.00% of their portfolio OVERLAND PARK, KS 2,6912.7k $233.5k $233.5k 0.00% Reduced -122 -122
86 Louisiana State Employees Retirement System 0.00% of their portfolio BATON ROUGE, LA 2,6002.6k $225.6k $225.6k 0.00% Added +100 +100
87 INCEPTIONR LLC 0.06% of their portfolio Lafayette, CA 2,5812.6k $224.0k $224.0k 0.06% New
88 STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 0.00% of their portfolio TALLAHASSEE, FL 2,5002.5k $216.9k $216.9k 0.00% New
89 RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio NEW YORK, NY 2,4002.4k $208.2k $208.2k 0.00% Reduced -13.7k -13,700
90 NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio ALBANY, NY 2,1432.1k $185.9k $185.9k 0.00% Added +1 +1
91 Sanctuary Advisors, LLC 0.00% of their portfolio INDIANAPOLIS, IN 2,1072.1k $217.4k $217.4k 0.00% First filing
92 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 1,9321.9k $167.6k $167.6k 0.00% Reduced -2.8k -2,762
93 TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY 0.00% of their portfolio FRANKFORT, KY 1,6131.6k $140.0k $140.0k 0.00% Unchanged
94 Qube Research & Technologies Ltd 0.00% of their portfolio LONDON, X0 1,5301.5k $132.8k $132.8k 0.00% Reduced -3.5k -3,512
95 AMALGAMATED BANK 0.00% of their portfolio NEW YORK, NY 1,4911.5k $129.0k $129.0k 0.00% Reduced -179 -179
96 OREGON PUBLIC EMPLOYEES RETIREMENT FUND 0.00% of their portfolio TIGARD, OR 1,2401.2k $107.6k $107.6k 0.00% Reduced -160 -160
97 PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO 0.00% of their portfolio DENVER, CO 1,2361.2k $107.0k $107.0k 0.00% Unchanged
98 Smartleaf Asset Management LLC 0.02% of their portfolio BOSTON, MA 1,2001.2k $101.9k $101.9k 0.02% Added +284 +284
99 NEW YORK STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio ALBANY, NY 1,1591.2k $101.0k $101.0k 0.00% Unchanged
100 US BANCORP \DE\ 0.00% of their portfolio MINNEAPOLIS, MN 1,0511.1k $91.2k $91.2k 0.00% Reduced -20 -20