LMB Limbach Holdings, Inc.
Executive Summary
A bullish institutional cluster formed in LMB during 2024-Q3, with 10 net buyers adding a combined $31.8M in new capital against only 3 modest sellers. The move was led by a $11.6M new stake from Rockefeller Capital Management and $8.4M in further accumulation by Royce & Associates, indicating strong active-manager conviction in the company's turnaround story. The scale of buying ($48.5M total held by buyers vs $16.6M in sells) combined with LMB's strong sell-side consensus (78% buy rating) makes this a notable signal, but past reports on this ticker have shown limited T+20 success (20% win rate, -11.96% avg return), tempering conviction.
Key Financial Metrics
Institutional Positions
Net institutional flow: $31.8M
▲ Buyers (10)
| Institution | Action | Change | Position Value | Value Δ |
|---|---|---|---|---|
| Rockefeller Capital Management | NEW | +100% | $11.6M | $11.6M |
| Royce & Associates | ADD | +35.3% | $18.9M | $8.4M |
| Citadel Advisors | DOUBLED | +744.7% | $1.2M | $1.1M |
▼ Sellers (3)
| Institution | Action | Change | Prev Value | Value Δ |
|---|---|---|---|---|
| First Trust Advisors | TRIM | -65.1% | $31.4M | -$16.9M |
Actionable Insight
The strong active-manager accumulation, especially by Rockefeller and Royce, suggests a shared catalyst thesis (possibly operating turnaround, earnings momentum, or sector tailwind). However, the 45-day 13F lag means these positions may already be stale. Monitor LMB for any fundamental announcements or insider buying that would confirm the thesis, and be aware that historical follow-through on prior cluster signals in this name has been poor.
Key Facts
- 10 institutional buyers added $31.8M net in Q3 2024; 3 sellers reduced by $17.1M
- Rockefeller Capital Management initiated a new $11.6M position; Royce & Associates added $8.4M to its existing stake
- Citadel (quant) more than doubled (+744.7%), and Envestnet (+296.5%) and Schwab (+186.1%) also made large increases
- Buyers hold $48.5M total vs sellers' reduced holdings of $15.6M (net cluster value ~$32.9M)
- Dominance of active asset managers (9 of 10 buyers) vs only one passive mega-fund (Schwab) increases signal quality
- Past reports on LMB show weak follow-through — 20% win rate at T+20 with avg -11.96% return
Financial Impact
10 institutions accumulated a net $31.8M in LMB during Q3 2024, while 3 institutions trimmed a combined $17.1M. Total cluster buying capital was $48.5M at quarter-end.
Risk Factors
- 13F data is 45+ days stale and positions may have been partially or fully exited since Q3 end
- Historical T+20 performance on prior LMB reports shows a 20% win rate with -11.96% avg return, suggesting poor timing for cluster-based signals on this name
- First Trust's 65% trim ($16.9M reduction) is a large, opposing bet that may signal inside knowledge of a rotation or headwind
Market Snapshot
Documents Analyzed
This report is based on 1 institutional 13F filing from SEC EDGAR.
| Document | Accession Number |
|---|---|
| INST-CLUSTER Data (Synthetic) | inst-cluster-LMB-2024-Q3 |
Track record builds as more directional reports settle.
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
|
Jun 12, 2026
1d ago
|
Institutional Cluster
| $81.70 awaiting T+20 | awaiting T+20 | — | — |
|
May 5, 2026
5w ago
|
8-K
| $76.97 $81.50 | ▲ +5.89% | ▲ +3.10% | — |
|
Apr 24, 2026
7w ago
|
144
| $93.14 $74.19 | ▼ −20.35% | ▼ −25.30% | — |
|
Apr 8, 2026
9w ago
|
144
| $84.40 $76.97 | ▼ −8.80% | ▼ −16.37% | — |
|
Mar 3, 2026
14w ago
|
8-K
| $87.53 $78.05 | ▼ −10.83% | ▼ −6.43% | — |
US Market Status
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