The cluster is directionally mixed with no insider buying support, suggesting no strong shared catalyst. Monitor Q4 13F filings to see if the Robeco exit and Sumitomo Mitsui addition persist or reverse.
Executive Summary
A mixed institutional cluster in PTC shows two asset managers adding $81.9M in positions while three others reduce by $74.0M, with no insider buying corroboration. The largest seller, Robeco, exited 81.9% of its stake, while Sumitomo Mitsui added 52.5%.
Key Financial Metrics
Institutional Positions
Net institutional flow: $7.9M
▲ Buyers (2)
| Institution | Action | Change | Position Value | Value Δ |
|---|---|---|---|---|
| Sumitomo Mitsui Trust Group | ADD | +52.5% | $172.4M | $80.9M |
| Wealth Enhancement Advisory Services | ADD | +57.6% | $1.9M | $986.0K |
▼ Sellers (3)
| Institution | Action | Change | Prev Value | Value Δ |
|---|---|---|---|---|
| Robeco Institutional Asset Management B.v. | NEAR_EXIT | -81.9% | $89.6M | -$69.5M |
| Assenagon Asset Management | TRIM | -31.2% | $25.6M | -$3.8M |
| Proshare Advisors | TRIM | -31.8% | $3.7M | -$591.0K |
Key Facts
- 2 institutional buyers added $81.9M in aggregate (Sumitomo Mitsui +$80.9M, Wealth Enhancement +$986K)
- 3 institutional sellers reduced by $74.0M in aggregate (Robeco -$69.5M, Assenagon -$3.8M, Proshare -$591K)
- Robeco Institutional Asset Management executed a near-exit, cutting 81.9% of its PTC position
- Sumitomo Mitsui Trust Group increased its stake by 52.5%, adding $80.9M in value
- 13F × Form 4 confluence score is 3/100 (divergent), with zero open-market insider buyers
- Top holders BlackRock, Vanguard, and State Street held $2.9B combined as of Q2 2026
Financial Impact
Net institutional activity of +$7.9M ($81.9M buying vs $74.0M selling) over the quarter, representing a small fraction of PTC's $21.1B market cap
Risk Factors
- 13F data is 45+ days stale; positions may have been unwound since quarter-end
- No insider buying to corroborate the buying thesis
- All participants are asset managers (no activist or event-driven funds), reducing signal intensity
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-PTC-2026-Q3 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 29, 2026 3d ago | Institutional Cluster | $194.80 | awaiting T+5 | awaiting T+5 | No price |
Oct 27, 2026 5d ago | Institutional Cluster | $194.97 | awaiting T+5 | awaiting T+5 | No price |
Oct 19, 2026 13d ago | Press Release | $193.06 $194.25 | ▲ +0.62% | ▲ +0.76% | No price |
Oct 5, 2026 27d ago | DEFA14A | $193.00 $193.96 | ▲ +0.50% | ▲ +0.64% | No price |
Oct 5, 2026 27d ago | DEFA14A | $192.26 $194.39 | ▲ +1.11% | ▲ +0.69% | No price |
Oct 5, 2026 27d ago | 8-K | $192.26 $194.39 | ▲ +1.11% | ▲ +0.69% | No price |
Sep 24, 2026 5w ago | Court Ruling | $138.12 $144.03 | ▲ +4.28% | ▲ +4.50% | No price |
Sep 11, 2026 7w ago | Court Ruling | $136.65 $135.28 | ▼ −1.00% | ▼ −2.66% | No price |
Jun 11, 2026 20w ago | Institutional Cluster | $118.39 $116.94 | ▼ −1.22% | ▼ −1.66% | No price |
May 6, 2026 25w ago | 8-K | $147.01 $140.81 | ▼ −4.22% | ▼ −5.72% | No price |
US Market Status
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