LGN Legence Corp.
Executive Summary
Legence Corp. (LGN) saw significant net institutional buying in Q4 2025, with four mega-passive funds (Vanguard, BlackRock, State Street, Morgan Stanley) adding a combined $225.5M in new holdings, while Fidelity trimmed $29.2M. The cluster is dominated by index rebalancing rather than active conviction, but the sheer size (~$196M net inflow, ~2.25% of market cap) suggests a passive catalyst such as index inclusion.
Key Financial Metrics
Institutional Positions
Net institutional flow: $196.3M
▲ Buyers (4)
| Institution | Action | Change | Position Value | Value Δ |
|---|---|---|---|---|
| Vanguard | ADD | +78.1% | $138.9M | $83.1M |
| BlackRock | DOUBLED | +4681360.4% | $106.8M | $106.8M |
| State Street | NEW | +0% | $30.3M | $30.3M |
| Morgan Stanley | DOUBLED | +397.8% | $6.3M | $5.4M |
▼ Sellers (1)
| Institution | Action | Change | Prev Value | Value Δ |
|---|---|---|---|---|
| Fidelity | TRIM | -38.8% | $201.7M | -$29.2M |
Actionable Insight
The cluster strongly suggests an index-related event (e.g., addition to S&P 600 or Russell 2000). Traders should monitor for index reconstitution announcements and sector catalysts in construction trades (infrastructure spending). Given the 45-day 13F lag, these positions may already be stale—watch for Q1 2026 13F filings to see if the buying persisted.
Key Facts
- 4 buyers accumulated $282.3M in current holdings vs 1 seller at $172.5M
- Vanguard increased stake by 78.1% to $138.9M
- BlackRock went from ~$2K to $106.8M (essentially a new position)
- State Street initiated a $30.3M position
- Morgan Stanley nearly quadrupled its holding to $6.3M
- Fidelity reduced by 38.8% to $172.5M, selling ~$29.2M
Financial Impact
Net institutional buying of approximately $196.3M, representing about 2.25% of LGN's $8.7B market cap.
Risk Factors
- All buyers are passive/index funds, so the accumulation may reverse upon index changes or rebalancing
- 13F data is 45+ days old; the cluster may have already been unwound
- No active fund involvement reduces the signal's conviction
- Historical calibration for this filing type shows only ~35% probability of positive T+20 returns
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-LGN-2025-Q4 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
|
Jun 11, 2026
7d ago
|
8-K
| $86.00 $86.73 | ▲ +0.85% | ▼ −0.91% | — |
|
Jun 11, 2026
7d ago
|
Institutional Cluster
| $85.12 $86.00 | ▲ +1.03% | ▲ +0.49% | — |
|
May 14, 2026
5w ago
|
8-K
| $89.00 $84.30 | ▼ −5.28% | ▼ −4.05% | — |
|
May 14, 2026
5w ago
|
Press Release
| $89.00 $84.30 | ▼ −5.28% | ▼ −4.05% | — |
|
May 4, 2026
6w ago
|
Press Release
| $91.41 $99.38 | ▲ +8.72% | ▲ +7.92% | — |
|
Apr 29, 2026
7w ago
|
DEFA14A
| $80.74 $86.96 | ▲ +7.70% | ▲ +6.68% | — |
|
Apr 8, 2026
10w ago
|
424B4
| $59.75 $63.20 | ▼ −5.77% | ▼ −5.84% | — |
|
Apr 8, 2026
10w ago
|
EFFECT
| $57.74 $59.75 | ▲ +3.48% | ▲ +2.91% | — |
|
Apr 8, 2026
10w ago
|
Press Release
| $57.74 $59.75 | ▲ +3.48% | ▲ +2.91% | — |
|
Apr 6, 2026
10w ago
|
Press Release
| $55.09 $54.98 | ▲ +0.20% | ▲ +0.26% | — |
US Market Status
Subscribe to SecBot
Get Real-Time SEC Filing Intelligence
Comprehensive SEC filing analysis delivered the moment filings hit EDGAR. Sentiment scoring, impact analysis, and actionable insights for every material event.
Try SecBot Free Coming soon: SecBot Pro with alerts, watchlists, and API access