The cluster shows strong active-manager conviction (Norges Bank, Capital International, Wasatch) but lacks insider corroboration and arrives with a 45-day reporting lag. Monitor ALSN's next earnings for fundamental confirmation — if the thesis is intact, the accumulation suggests upside; if results disappoint, the stale buying could unwind. Given the poor historical T+20 performance on ALSN reports, treat this as a modest positive signal, not a catalyst.
Executive Summary
A mixed institutional cluster in ALSN for 2026-Q2 shows 11 buyers accumulating $353M net vs 9 sellers trimming $34M, dominated by three large new positions from Norges Bank ($141.5M), Capital International ($95.4M), and a doubling by Wasatch Advisors ($84.3M). The buying is concentrated in active asset managers and a sovereign fund, suggesting a fundamental thesis around Allison's commercial-vehicle powertrain leadership, while the selling side is broad but small in aggregate — mostly trims by diversified asset managers. Historical calibration on ALSN reports shows poor T+20 performance (20% win rate, -1.97% avg return), and the 13F data is 45+ days stale, tempering conviction.
Key Financial Metrics
Institutional Positions
Net institutional flow: $319.0M
▲ Buyers (11)
| Institution | Action | Change | Position Value | Value Δ |
|---|---|---|---|---|
| Norges Bank | NEW | +0% | $141.5M | $141.5M |
| Capital International Investors | NEW | +0% | $95.4M | $95.4M |
| Wasatch Advisors | DOUBLED | +105.7% | $170.3M | $84.3M |
| Morgan Stanley | ADD | +29.2% | $96.0M | $18.9M |
| Assenagon Asset Management | NEW | +0% | $11.3M | $11.3M |
▼ Sellers (9)
| Institution | Action | Change | Prev Value | Value Δ |
|---|---|---|---|---|
| Walleye Capital | TRIM | -39.5% | $24.3M | -$10.2M |
| Nuveen | TRIM | -33.2% | $28.1M | -$10.0M |
| Danske Bank A/S | TRIM | -28.8% | $12.7M | -$4.0M |
| American Century Companies | NEAR_EXIT | -85.2% | $4.7M | -$4.0M |
| Russell Investments Group | TRIM | -41.2% | $6.8M | -$3.0M |
Key Facts
- 11 institutional buyers added $353M in net new value; 9 sellers trimmed $34M
- Norges Bank initiated a $141.5M position (1.26M shares) — largest single move
- Capital International Investors opened a $95.4M position (846K shares)
- Wasatch Advisors doubled its stake to $170.3M (1.51M shares), now the largest disclosed holder in the cluster
- Selling was fragmented: Walleye Capital trimmed $10.2M, Nuveen trimmed $10.0M, no full exits
- No insider open-market buying corroborates the institutional accumulation (confluence score 23/100, divergent)
- Historical ALSN reports show 20% win rate at T+20 with -1.97% avg return, suggesting caution on over-weighting this signal
Financial Impact
11 institutions accumulated $519M in current positions (net +$353M) while 9 sellers reduced holdings by $34M — net institutional inflow of ~$319M
Risk Factors
- 13F data is 45+ days stale — positions may have been partially or fully unwound
- No insider buying to corroborate the institutional thesis
- Historical ALSN reports show negative average T+20 returns (-1.97%) and 20% win rate
- Selling is broad (9 sellers) though small in aggregate — could indicate institutional rotation out of the sector
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-ALSN-2026-Q2 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Aug 15, 2026 6w ago | Institutional Cluster | $127.11 $122.40 | ▼ −3.71% | ▼ −1.73% | — |
Aug 13, 2026 7w ago | Insider Cluster | $125.87 $123.49 | ▼ −1.89% | ▲ +0.10% | — |
Jun 16, 2026 15w ago | 8-K | $118.86 $115.49 | ▼ −2.84% | ▼ −4.15% | — |
May 8, 2026 21w ago | 8-K | $123.72 $117.91 | ▼ −4.70% | ▼ −4.39% | — |
May 4, 2026 21w ago | 8-K | $127.37 $116.14 | ▼ −8.82% | ▼ −13.77% | — |
Mar 25, 2026 27w ago | DEFA14A | $116.32 $135.51 | ▲ +16.50% | ▲ +5.83% | — |
US Market Status
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