The near-unanimous buying by active managers, led by Assenagon's massive $410M addition, suggests a shared catalyst thesis (likely pipeline data readout or regulatory milestone). Monitor upcoming RVMD clinical trial results and any SEC filings (8-K, press releases) for the catalyst that drove this cluster.
Executive Summary
A strong institutional cluster formed in RVMD during 2026-Q3, with 9 buyers accumulating $421.5M in net new positions versus just 1 seller trimming $217K. The dominant move was Assenagon Asset Management nearly 10x-ing its stake to $447.7M, accounting for the vast majority of the buying. All participants are active asset managers, not passive index funds, giving the cluster conviction weight.
Key Financial Metrics
Institutional Positions
Net institutional flow: $421.5M
▲ Buyers (9)
| Institution | Action | Change | Position Value | Value Δ |
|---|---|---|---|---|
| Assenagon Asset Management | DOUBLED | +987.9% | $447.7M | $410.2M |
| Robeco Institutional Asset Management B.v. | DOUBLED | +439.1% | $4.6M | $3.8M |
| Concurrent Investment Advisors | DOUBLED | +610.1% | $3.7M | $3.2M |
▼ Sellers (1)
| Institution | Action | Change | Prev Value | Value Δ |
|---|---|---|---|---|
| Nisa Investment Advisors | TRIM | -29.6% | $949.0K | -$217.0K |
Key Facts
- 9 institutional buyers added $421.5M in net new RVMD positions during Q3 2026
- Assenagon Asset Management increased its stake by 987.9% to $447.7M, the largest single move
- Only 1 seller (Nisa Investment Advisors) trimmed $217K, a negligible offset
- All participants are active asset managers; no passive/index funds dominate the cluster
- 13F data is stale (quarter-end positions disclosed with 45-day lag); cluster may have been partially unwound
Financial Impact
9 institutions accumulated $421.5M in net new positions, with total buyer holdings reaching $467.7M. The sole seller reduced holdings by $217K.
Risk Factors
- 13F data is 45+ days stale; the cluster may have already been unwound
- No insider buying corroboration is present in this cluster data
- Assenagon's position dominates the cluster — a single manager's thesis may not be representative
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-RVMD-2026-Q3 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 23, 2026 2d ago | Institutional Cluster | $187.53 | awaiting T+60 | — | — |
Oct 21, 2026 4d ago | Press Release | $187.69 | awaiting T+60 | — | — |
Oct 13, 2026 12d ago | 8-K | $193.52 | awaiting T+60 | — | — |
Oct 12, 2026 14d ago | Institutional Cluster | $193.95 | awaiting T+60 | — | — |
Oct 1, 2026 24d ago | Insider Cluster | $206.64 | awaiting T+60 | — | — |
Sep 29, 2026 26d ago | Insider Cluster | $205.26 | awaiting T+60 | — | — |
Sep 28, 2026 27d ago | Insider Cluster | $204.48 | awaiting T+60 | — | — |
Sep 24, 2026 4w ago | Insider Cluster | $204.97 | awaiting T+60 | — | — |
Sep 22, 2026 4w ago | Insider Cluster | $190.74 | awaiting T+60 | — | — |
Sep 18, 2026 5w ago | Insider Cluster | $192.76 | awaiting T+60 | — | — |
US Market Status
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