The cluster is small in scale ($17.3M vs $3.8B market cap) and driven entirely by active asset managers, but the 45-day reporting lag means these positions may have been adjusted since quarter-end. The absence of insider buying weakens conviction. Monitor upcoming 10-Q for any fundamental catalyst that might explain the accumulation.
Executive Summary
Three institutional asset managers increased their Otter Tail Corp holdings in Q3 2026, with Congress Asset Management initiating a new $14.6M position and Proshare Advisors and Farther Finance Advisors adding to existing stakes. The cluster shows a net bullish conviction of $17.3M in new buying, though the 13F data is 45+ days stale and no insider buying corroborates the signal.
Key Financial Metrics
Institutional Positions
Net institutional flow: $17.3M
▲ Buyers (3)
| Institution | Action | Change | Position Value | Value Δ |
|---|---|---|---|---|
| Congress Asset Management | NEW | +100% | $14.6M | $14.6M |
| Proshare Advisors | ADD | +37.7% | $9.8M | $2.5M |
| Farther Finance Advisors | DOUBLED | +166.5% | $228.0K | $141.0K |
Key Facts
- Three institutional buyers added $17.3M net to OTTR positions in Q3 2026
- Congress Asset Management initiated a new $14.6M position (165.7K shares)
- Proshare Advisors added 30.5K shares (+37.7%), increasing value from $7.3M to $9.8M
- Farther Finance Advisors doubled its tiny position from $87K to $228K
- No institutional sellers were identified in the cluster
- Insider buying score is 1/100, indicating no open-market insider purchases to corroborate the institutional signal
- Top institutional holders are BlackRock ($590M) and Vanguard funds ($440M combined)
Financial Impact
Three asset managers accumulated $17.3M in net new OTTR positions during Q3 2026, with Congress Asset Management accounting for $14.6M of that total via a new position.
Risk Factors
- 13F data is 45+ days stale; positions may have been unwound since quarter-end
- No insider buying corroborates the institutional signal (confluence score 1/100)
- Cluster is small relative to market cap ($17.3M vs $3.8B) and may not reflect a broad thesis shift
- Only 3 buyers with no sellers, limited breadth for a strong directional signal
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-OTTR-2026-Q3 |
Track record builds as more directional reports settle.
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 29, 2026 3d ago | Institutional Cluster | $90.42 | awaiting T+60 | awaiting T+60 | No price |
Sep 1, 2026 8w ago | 8-K | $89.59 | awaiting T+60 | awaiting T+60 | No price |
Aug 4, 2026 12w ago | 8-K | $92.82 $90.47 | ▲ +2.53% | ▲ +2.32% | No price |
Jun 18, 2026 19w ago | 8-K | $87.50 $87.61 | ▼ −0.13% | ▲ +1.77% | No price |
Jun 5, 2026 21w ago | 8-K | $86.77 $90.47 | ▲ +4.26% | ▲ +0.26% | No price |
May 29, 2026 22w ago | 8-K | $86.66 $92.05 | ▲ +6.22% | ▲ +5.04% | No price |
May 15, 2026 24w ago | 8-K | $87.80 $94.28 | ▲ +7.38% | ▲ +2.87% | No price |
May 5, 2026 25w ago | 8-K | $88.74 $89.40 | ▲ +0.74% | ▼ −2.00% | No price |
Apr 14, 2026 28w ago | 8-K | $88.33 $87.85 | ▼ −0.54% | ▼ −9.07% | No price |
Mar 2, 2026 34w ago | DEFA14A | $85.70 $88.30 | ▲ +3.03% | ▼ −6.29% | No price |
US Market Status
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