The divergence between Assenagon's aggressive accumulation and three other managers' trimming suggests no consensus catalyst. Monitor upcoming ADP earnings for any fundamental inflection that could explain the split. The 45-day reporting lag means these positions may already be unwound.
Executive Summary
A small institutional cluster in ADP shows one active manager (Assenagon) more than doubling its position to $124.9M, while three other asset managers trimmed holdings by a combined $10.5M. The net conviction is bearish by count but mixed in dollar terms, as the single buyer's $81.3M increase far outweighs the sellers' total reductions. The cluster is dominated by active managers, suggesting idiosyncratic thesis divergence rather than index rebalancing.
Key Financial Metrics
Institutional Positions
Net institutional flow: $70.8B
▲ Buyers (1)
| Institution | Action | Change | Position Value | Value Δ |
|---|---|---|---|---|
| Assenagon Asset Management | DOUBLED | +148.6% | $124.9M | $81.3M |
▼ Sellers (3)
| Institution | Action | Change | Prev Value | Value Δ |
|---|---|---|---|---|
| Vontobel Holding | TRIM | -48.5% | $18.4M | -$7.5M |
| Davenport & Co | TRIM | -30.3% | $13.4M | -$2.6M |
| Atwood & Palmer | TRIM | -53.7% | $793.0K | -$370.0K |
Key Facts
- 1 buyer (Assenagon Asset Management) doubled its ADP stake to $124.9M, adding $81.3M in value
- 3 sellers trimmed aggregate positions by $10.5M, led by Vontobel Holding (-$7.5M) and Davenport & Co (-$2.6M)
- Net dollar flow is strongly positive (+$70.8M) due to Assenagon's large accumulation
- All four institutions are active asset managers; no passive/index funds are involved
- 13F data reflects Q3 2026 quarter-end positions, reported with a 45-day lag
Financial Impact
One institution accumulated $81.3M in new ADP shares while three institutions reduced holdings by $10.5M, resulting in a net institutional inflow of $70.8M
Risk Factors
- 13F data is stale (45-day lag); current positioning may differ materially
- Small sample size (4 institutions) limits signal reliability
- No passive/index fund participation means the cluster is not driven by rebalancing
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-ADP-2026-Q3 |
Track record builds as more directional reports settle.
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 16, 2026 10d ago | Institutional Cluster | $287.03 | awaiting T+60 | — | — |
Oct 7, 2026 20d ago | Court Ruling | $270.73 | awaiting T+60 | — | — |
Sep 4, 2026 7w ago | Insider Cluster | $267.96 | awaiting T+60 | — | — |
Sep 4, 2026 7w ago | Insider Cluster | $267.96 | awaiting T+60 | — | — |
Sep 3, 2026 7w ago | Insider Cluster | $277.62 | awaiting T+60 | — | — |
Aug 24, 2026 9w ago | Insider Cluster | $282.78 | awaiting T+60 | — | — |
Jul 29, 2026 12w ago | 8-K | $273.37 $307.94 | ▲ +12.65% | ▲ +7.92% | — |
Jul 20, 2026 14w ago | Institutional Cluster | $246.22 $275.90 | ▲ +12.05% | ▲ +8.08% | — |
Jun 21, 2026 18w ago | Institutional Cluster | $214.60 $276.53 | ▲ +28.86% | ▲ +27.11% | — |
Mar 30, 2026 30w ago | Court Ruling | $205.41 $219.86 | ▲ +7.03% | ▼ −8.99% | — |
US Market Status
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