The cluster is too small and mixed to signal a strong thesis. Artemis's doubling is notable but isolated — monitor next 13F for whether Assenagon's large trim continues or reverses. No immediate trading catalyst.
Executive Summary
A mixed institutional cluster in TMO shows two active managers (Artemis, Davenport) adding $40.1M in new positions while three asset managers (Assenagon, Congress, Pictet) trimmed $28.0M. The net buying of $12.1M is modest relative to TMO's $200B+ market cap, and the 45-day reporting lag limits signal strength. The cluster lacks a clear shared catalyst or insider corroboration.
Key Financial Metrics
Institutional Positions
Net institutional flow: $12.1M
▲ Buyers (2)
| Institution | Action | Change | Position Value | Value Δ |
|---|---|---|---|---|
| Artemis Investment Management | DOUBLED | +105.5% | $57.2M | $36.5M |
| Davenport & Co | ADD | +63% | $6.4M | $3.5M |
▼ Sellers (3)
| Institution | Action | Change | Prev Value | Value Δ |
|---|---|---|---|---|
| Congress Asset Management | TRIM | -46.8% | $4.2M | -$1.2M |
| Assenagon Asset Management | TRIM | -37.3% | $171.4M | -$26.8M |
| Banque Pictet & Cie | TRIM | -26.1% | $12.7M | -$69.0K |
Key Facts
- 2 buyers added $40.1M in new positions; 3 sellers trimmed $28.0M; net +$12.1M
- Artemis Investment Management doubled its stake (+105.5%), adding $36.5M to reach $57.2M
- Assenagon Asset Management was the largest seller, trimming 37.3% (-$26.8M) to $144.6M
- All five institutions are active asset managers — no passive/index funds in the cluster
- No insider buying or selling was reported alongside this 13F cluster
Financial Impact
Net institutional accumulation of $12.1M (2 buyers adding $40.1M vs 3 sellers trimming $28.0M), representing a negligible fraction of TMO's float
Risk Factors
- 13F data is 45+ days stale; positions may have already been unwound
- Net buying of $12.1M is immaterial for a $200B+ market cap company
- No insider buying to corroborate the accumulation signal
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-TMO-2026-Q3 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 21, 2026 6d ago | 8-K | $694.02 | awaiting T+60 | — | — |
Oct 16, 2026 11d ago | Institutional Cluster | $690.00 | awaiting T+60 | — | — |
Sep 1, 2026 8w ago | Insider Cluster | $608.54 | awaiting T+60 | — | — |
Aug 26, 2026 8w ago | Insider Cluster | $630.70 | awaiting T+60 | — | — |
Aug 24, 2026 9w ago | Insider Cluster | $628.15 | awaiting T+60 | — | — |
Aug 18, 2026 10w ago | Court Ruling | $613.07 | awaiting T+60 | — | — |
Aug 13, 2026 10w ago | Insider Cluster | $588.29 | awaiting T+60 | — | — |
Aug 10, 2026 11w ago | Insider Cluster | $605.00 | awaiting T+60 | — | — |
Aug 7, 2026 11w ago | Insider Cluster | $599.23 | awaiting T+60 | — | — |
Jul 23, 2026 13w ago | 8-K | $572.32 $696.49 | ▲ +21.70% | ▲ +17.14% | — |
US Market Status
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