LMB · Limbach Holdings, Inc. · Shareholders & Ownership
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Every disclosed holder of LMB in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.
Who Owns LMB
13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positions| Holder group | Shares | % Out |
|---|---|---|
| Institutional (13F) | 8,913,474 | 75.99% |
| Insiders (Forms 3, 4, 5) | 1,198,342 | 10.22% |
| 13D/G-only blocks | 380,863 | 3.25% |
| Remaining | 1,237,526 | 10.55% |
| Registered funds (N-PORT, not summed) | 4,055,275 | 34.57% |
Shares outstanding: 11,730,205, the issuer's latest cover-page count restated onto today's split basis.
13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.
Holders of LMB
| # | Holder | Shares | As of | Notes |
|---|---|---|---|---|
| 1 |
BlackRock, Inc.
13F
CIK 2012383 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
979,355 | ||
| 1.1 |
iShares Russell 2000 ETF
Fund
S000004344 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
289,370 | ||
| 1.2 |
iShares Russell 2000 Growth ETF
Fund
S000004343 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
104,826 | ||
| 1.3 |
iShares Micro-Cap ETF
Fund
S000004439 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
37,357 | ||
| 1.4 |
Master Small Cap Index Series
Fund
S000002716 · Registered fund · Jun 30, 2026
Quantitative Master Series LLC, not summed
|
20,865 | ||
| 1.5 |
iShares U.S. Infrastructure ETF
Fund
S000061314 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
18,196 | ||
| 2 |
VANGUARD CAPITAL MANAGEMENT LLC
13F
CIK 2100119 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
481,321 | ||
| 3 |
ROYCE & ASSOCIATES LP
13F
CIK 906304 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
444,317 | ||
| 3.1 |
Royce Small-Cap Opportunity Fund
Fund
S000009512 · Registered fund · Jun 30, 2026
ROYCE FUND, not summed
|
83,867 | ||
| 3.2 |
Royce Small-Cap Fund
Fund
S000009507 · Registered fund · Jun 30, 2026
ROYCE FUND, not summed
|
41,349 | ||
| 3.3 |
Royce Micro-Cap Fund
Fund
S000009506 · Registered fund · Jun 30, 2026
ROYCE FUND, not summed
|
40,919 | ||
| 3.4 |
Royce Smaller-Companies Growth Fund
Fund
S000009517 · Registered fund · Jun 30, 2026
ROYCE FUND, not summed
|
25,000 | ||
| 3.5 |
Royce Capital Fund - Micro-Cap Portfolio
Fund
S000009496 · Registered fund · Jun 30, 2026
ROYCE CAPITAL FUND, not summed
|
12,856 | ||
| 4 |
WASATCH ADVISORS LP
13G
CIK 814133 · Registered investment adviser · Jun 30, 2026
Rule 13d-1(b), qualified institution
|
380,863 | ||
| 5 |
|
369,794 | ||
| 6 |
Thrivent Financial for Lutherans
13F
CIK 314984 · Registered investment adviser · Sep 30, 2026
|
356,246 | ||
| 6.1 |
THRIVENT SMALL CAP STOCK FUND
Fund
S000001358 · Registered fund · Jul 31, 2026
Thrivent Mutual Funds, not summed
|
354,789 | ||
| 6.2 |
Thrivent Small-Mid Cap Equity ETF
Fund
S000075337 · Registered fund · Jun 30, 2026
Thrivent ETF Trust, not summed
|
287,366 | ||
| 6.3 |
THRIVENT SMALL CAP STOCK PORTFOLIO
Fund
S000001445 · Registered fund · Jun 30, 2026
Thrivent Series Fund, Inc., not summed
|
118,133 | ||
| 6.4 |
THRIVENT AGGRESSIVE ALLOCATION FUND
Fund
S000000700 · Registered fund · Jul 31, 2026
Thrivent Mutual Funds, not summed
|
20,003 | ||
| 6.5 |
THRIVENT SMALL CAP GROWTH PORTFOLIO
Fund
S000061813 · Registered fund · Jun 30, 2026
Thrivent Series Fund, Inc., not summed
|
14,634 | ||
| 7 |
VANGUARD TOTAL STOCK MARKET INDEX FUND
Fund
S000002848 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
340,369 | ||
| 8 |
NEUMEIER POMA INVESTMENT COUNSEL LLC
13F
CIK 1044936 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
323,953 | ||
| 9 |
DIMENSIONAL FUND ADVISORS LP
13F
CIK 354204 · Registered investment adviser · Sep 30, 2026
|
299,112 | ||
| 9.1 |
U.S. SMALL CAP PORTFOLIO
Fund
S000000971 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
|
51,354 | ||
| 9.2 |
U.S. MICRO CAP PORTFOLIO
Fund
S000000948 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
|
41,730 | ||
| 9.3 |
Dimensional U.S. Small Cap ETF
Fund
S000070906 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
|
38,357 | ||
| 9.4 |
Dimensional U.S. Core Equity 2 ETF
Fund
S000070903 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
|
21,566 | ||
| 9.5 |
U.S. CORE EQUITY 1 PORTFOLIO
Fund
S000000979 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
|
15,171 | ||
| 10 |
GEODE CAPITAL MANAGEMENT, LLC
13F
CIK 1214717 · Registered investment adviser · Sep 30, 2026
|
290,467 | ||
| 11 |
CORSAIR CAPITAL MANAGEMENT, L.P.
13F
CIK 1276470 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
287,685 | ||
| 12 |
|
253,618 | ||
| 12.1 |
STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO
Fund
S000050332 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
|
3,800 | ||
| 12.2 |
State Street(R) SPDR(R) Portfolio MSCI Global Stock Market ETF
Fund
S000036082 · Registered fund · Jun 30, 2026
SPDR INDEX SHARES FUNDS, not summed
|
456 | ||
| 12.3 |
State Street Total Return V.I.S. Fund
Fund
S000001637 · Registered fund · Jun 30, 2026
STATE STREET VARIABLE INSURANCE SERIES FUNDS INC, not summed
|
282 | ||
| 12.4 |
State Street Balanced Index Fund
Fund
S000082802 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
|
61 | ||
| 13 |
SEGALL BRYANT & HAMILL, LLC
13F
CIK 1006378 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
250,836 | ||
| 13.1 |
SBH SMALL CAP GROWTH FUND
Fund
S000043443 · Registered fund · Jun 30, 2026
Segall Bryant & Hamill Trust, not summed
|
65,564 | ||
| 14 |
CITADEL ADVISORS LLC
13F
CIK 1423053 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
218,928 | ||
| 15 |
|
215,205 | ||
| 16 |
|
211,747 | ||
| 17 |
Rockefeller Capital Management L.P.
13F
CIK 1739439 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
209,442 | ||
| 17.1 |
Rockefeller Climate Solutions Fund
Fund
S000072137 · Registered fund · Aug 31, 2026
Trust for Professional Managers, not summed
|
12,662 | ||
| 18 |
Mawer Investment Management Ltd.
13F
CIK 1538449 · Registered investment adviser · Sep 30, 2026
|
188,141 | ||
| 19 |
GENEVA CAPITAL MANAGEMENT LLC
13F
CIK 1009232 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
185,528 | ||
| 20 |
Boston Partners
13F
CIK 1386060 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
167,873 | ||
| 21 |
Point72 Asset Management, L.P.
13F
CIK 1603466 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
151,108 | ||
| 22 |
FMR LLC
13G
CIK 315066 · Holding company · Sep 30, 2026
Rule 13d-1(b), qualified institution, not summed
|
144,636 | ||
| 22.1 |
FMR LLC
13F
CIK 315066 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
735,521 | ||
| 22.2 |
Fidelity Small Cap Index Fund
Fund
S000033638 · Registered fund · Jul 31, 2026
Fidelity Salem Street Trust, not summed
|
121,992 | ||
| 22.3 |
Fidelity Small Cap Discovery Fund
Fund
S000055370 · Registered fund · Jul 31, 2026
Fidelity Concord Street Trust, not summed
|
76,200 | ||
| 22.4 |
Fidelity Series Small Cap Core Fund
Fund
S000077859 · Registered fund · Jul 31, 2026
Fidelity Concord Street Trust, not summed
|
75,100 | ||
| 22.5 |
Fidelity Enhanced Small Cap Core ETF
Fund
S000081807 · Registered fund · Jun 30, 2026
Fidelity Covington Trust, not summed
|
72,899 | ||
| 23 |
NORTHERN TRUST CORP
13F
CIK 73124 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
143,174 | ||
| 23.1 |
Small Cap Index Fund
Fund
S000001245 · Registered fund · Jun 30, 2026
Northern Funds, not summed
|
5,656 | ||
| 23.2 |
Small Cap Core Fund
Fund
S000001244 · Registered fund · Jun 30, 2026
Northern Funds, not summed
|
1,020 | ||
| 24 |
GOLDMAN SACHS GROUP INC
13F
CIK 886982 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
137,324 | ||
| 24.1 |
Goldman Sachs Multi-Manager Global Equity Fund
Fund
S000049146 · Registered fund · Jul 31, 2026
Goldman Sachs Trust II, not summed
|
1,561 | ||
| 24.2 |
Goldman Sachs Small Cap Growth Insights Fund
Fund
S000014930 · Registered fund · Jul 31, 2026
Goldman Sachs Trust, not summed
|
1,380 | ||
| 24.3 |
Goldman Sachs Absolute Return Tracker Fund
Fund
S000020314 · Registered fund · Aug 31, 2026
GOLDMAN SACHS TRUST, not summed
|
16 | ||
| 25 |
MORGAN STANLEY
13F
CIK 895421 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
133,904 | ||
| 25.1 |
E*TRADE No Fee Total Market Index Fund
Fund
S000090722 · Registered fund · Jul 31, 2026
E Trade Trust, not summed
|
5 | ||
| 26 |
Polar Asset Management Partners Inc.
13F
CIK 1326389 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
131,901 | ||
| 27 |
AMG River Road Small Cap Value Fund
Fund
S000001130 · Registered fund · Jul 31, 2026
AMG Funds IV, not summed
|
130,593 | ||
| 28 |
VANGUARD EXTENDED MARKET INDEX FUND
Fund
S000002841 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
129,994 | ||
| 29 |
|
129,124 | ||
| 30 |
JANE STREET GROUP, LLC
13F
CIK 1595888 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
125,135 | ||
| 31 |
CastleKnight Management LP
13F
CIK 1835751 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
120,500 | ||
| 32 |
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F
CIK 884546 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
92,177 | ||
| 32.1 |
Schwab U.S. Small-Cap ETF
Fund
S000026636 · Registered fund · Aug 31, 2026
SCHWAB STRATEGIC TRUST, not summed
|
54,141 | ||
| 32.2 |
Schwab Small-Cap Index Fund
Fund
S000005912 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
|
27,137 | ||
| 32.3 |
Schwab U.S. Broad Market ETF
Fund
S000026631 · Registered fund · Aug 31, 2026
SCHWAB STRATEGIC TRUST, not summed
|
8,494 | ||
| 32.4 |
Schwab Total Stock Market Index Fund
Fund
S000005913 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
|
6,744 | ||
| 33 |
VANGUARD PORTFOLIO MANAGEMENT LLC
13F
CIK 2100121 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
90,295 | ||
| 34 |
VANGUARD FIDUCIARY TRUST CO
13F
CIK 933478 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
80,343 | ||
| 35 |
JNL Multi-Manager Small Cap Growth Fund
Fund
S000001776 · Registered fund · Jun 30, 2026
JNL Series Trust, not summed
|
78,590 | ||
| 36 |
RENAISSANCE TECHNOLOGIES LLC
13F
CIK 1037389 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
77,771 | ||
| 37 |
ENVESTNET ASSET MANAGEMENT INC
13F
CIK 1407543 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
73,304 | ||
| 38 |
MILLENNIUM MANAGEMENT LLC
13F
CIK 1273087 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
70,576 | ||
| 39 |
|
67,642 | ||
| 40 |
|
67,639 | ||
| 41 |
Balyasny Asset Management L.P.
13F
CIK 1218710 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
67,033 | ||
| 42 |
VANGUARD RUSSELL 2000 INDEX FUND
Fund
S000030003 · Registered fund · Aug 31, 2026
VANGUARD SCOTTSDALE FUNDS, not summed
|
63,942 | ||
| 43 |
River Road Asset Management, LLC
13F
CIK 1341401 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
61,247 | ||
| 44 |
|
59,379 | ||
| 45 |
ROYCE SMALL-CAP TRUST, INC.
Fund
· Registered fund · Jun 30, 2026
ROYCE SMALL-CAP TRUST, INC., not summed
|
59,177 | ||
| 45.1 |
ROYCE MICRO-CAP TRUST, INC.
Fund
· Registered fund · Jun 30, 2026
ROYCE MICRO-CAP TRUST, INC., not summed
|
85,412 | ||
| 46 |
Qube Research & Technologies Ltd
13F
CIK 1729829 · Exempt reporting adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
59,023 | ||
| 47 |
Nationwide Geneva Small Cap Growth Fund
Fund
S000041104 · Registered fund · Jul 31, 2026
Nationwide Mutual Funds, not summed
|
51,826 | ||
| 48 |
BESSEMER GROUP INC
13F
CIK 1054074 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
49,611 | ||
| 48.1 |
Old Westbury Small & Mid Cap Strategies Fund
Fund
S000001857 · Registered fund · Jul 31, 2026
Old Westbury Funds Inc, not summed
|
49,065 | ||
| 49 |
ISTHMUS PARTNERS, LLC
13F
CIK 1639666 · Unknown · Sep 30, 2026
|
47,587 | ||
| 50 |
SILVERCREST ASSET MANAGEMENT GROUP LLC
13F
CIK 1232395 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
47,292 |
53 more nested rows are not shown here; Every filing lists them all.
Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.
Showing 1–50 of 275 holders
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