The cluster is dominated by active asset managers, but the 45-day reporting lag means positions may have changed since quarter-end. Monitor upcoming 10-Q for fundamental drivers and any insider buying to confirm the thesis.
How the stock moved after the report
NEUTRAL VIEWSTOCK ABOVE ENTRY AT T+1- T+0 · Nov 2 $80.60entry
- T+1 · yesterday +9.08%α +7.43% · $87.92
- T+2 · todayOpen
- T+5 · in 5d Pending
- T+20 · in 27d Pending
- T+60 · in 3mo Pending
How similar events traded
Executive Summary
Three asset managers added or initiated LMAT positions in Q3 2026, with Boston Trust Walden opening a $28.5M new stake and two others increasing holdings. One small seller trimmed a negligible amount. The cluster is one-sided bullish but the 13F data is 45+ days stale and no insider buying corroborates the signal.
Key Financial Metrics
Institutional Positions
Net institutional flow: $30.8M
▲ Buyers (3)
| Institution | Action | Change | Position Value | Value Δ |
|---|---|---|---|---|
| Boston Trust Walden | NEW | +100% | $28.5M | $28.5M |
| Proshare Advisors | ADD | +36.2% | $8.5M | $1.2M |
| Principal Financial Group | ADD | +26.5% | $12.5M | $1.0M |
▼ Sellers (1)
| Institution | Action | Change | Prev Value | Value Δ |
|---|---|---|---|---|
| Farther Finance Advisors | TRIM | -39.5% | $36.0K | -$17.0K |
Key Facts
- Boston Trust Walden opened a new position worth $28.5M (345.6K shares) in Q3 2026.
- Proshare Advisors increased its stake by 36.2% to $8.5M.
- Principal Financial Group added 26.5% to its position, now valued at $12.5M.
- Farther Finance Advisors trimmed a tiny position by 39.5%, reducing its value from $36K to $19K.
- Net institutional buying totaled approximately $30.8M across three buyers, versus $17K in selling.
- No open-market insider buying was detected in the same window (confluence score 17/100).
Financial Impact
Three asset managers accumulated approximately $30.8M in LMAT shares during Q3 2026, while one small seller reduced holdings by $17K.
Risk Factors
- 13F data is stale by 45+ days; positions may have been unwound.
- No insider buying corroborates the institutional signal.
- Only three buyers with moderate conviction; not a broad consensus.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 institutional 13F filing from SEC EDGAR.
| Document | Accession Number |
|---|---|
| INST-CLUSTER Data (Synthetic) | inst-cluster-LMAT-2026-Q3 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Nov 4, 2026 today | 8-K | $82.44 | awaiting T+60 | awaiting T+60 | No price |
Nov 2, 2026 1d ago | Institutional Cluster | $80.60 | awaiting T+60 | awaiting T+60 | No price |
Oct 15, 2026 20d ago | 8-K | $80.82 | awaiting T+60 | awaiting T+60 | No price |
Aug 27, 2026 9w ago | Press Release | $80.45 | awaiting T+60 | awaiting T+60 | No price |
Jul 14, 2026 16w ago | Press Release | $99.79 | awaiting T+60 | awaiting T+60 | No price |
May 7, 2026 25w ago | Insider Cluster | $107.91 $103.61 | ▲ +3.98% | ▲ +7.82% | No price |
May 7, 2026 25w ago | Insider Cluster | $107.91 $103.61 | ▼ −3.98% | ▼ −7.82% | No price |
May 7, 2026 25w ago | Insider Cluster | $107.91 $103.61 | ▼ −3.98% | ▼ −7.82% | No price |
May 5, 2026 26w ago | 8-K | $110.22 $101.32 | ▼ −8.07% | ▼ −10.14% | No price |
Apr 14, 2026 29w ago | DEFA14A | $117.39 $102.40 | ▼ −12.77% | ▼ −21.29% | No price |
US Market Status
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