The institutional cluster strongly validates the Q2 earnings beat and raised guidance, suggesting the edge AI thesis is gaining broad conviction. However, the 45-day 13F reporting lag means these positions reflect June 30 holdings — monitor for any insider selling (currently absent) and next quarter's 13F for signs of continuation or reversal.
Executive Summary
A powerful institutional cluster emerged in AMBQ during 2026-Q2, with 13 buyers accumulating $126.1M in net new positions versus just 1 seller trimming $740K. The buying is dominated by mega-passive managers (State Street, JPMorgan, Morgan Stanley) and active asset managers (Walleye Capital, Citigroup) all doubling or more their stakes, strongly corroborating the record Q2 earnings beat and raised guidance filed 4 days ago. This is a rare, high-conviction signal of institutional alignment behind Ambiq's accelerating edge AI revenue trajectory, though the 45-day reporting lag means some positions may have been adjusted since quarter-end.
Key Financial Metrics
Institutional Positions
Net institutional flow: $126.1M
▲ Buyers (13)
| Institution | Action | Change | Position Value | Value Δ |
|---|---|---|---|---|
| State Street | DOUBLED | +231.2% | $76.1M | $69.5M |
| Walleye Capital | DOUBLED | +1777% | $18.9M | $18.7M |
| JPMorgan | DOUBLED | +162.4% | $17.1M | $15.3M |
| Morgan Stanley | DOUBLED | +479.5% | $16.1M | $15.3M |
| Citigroup | DOUBLED | +389.1% | $1.9M | $1.7M |
▼ Sellers (1)
| Institution | Action | Change | Prev Value | Value Δ |
|---|---|---|---|---|
| Wasatch Advisors | TRIM | -67.9% | $6.5M | -$740.0K |
Key Facts
- 13 institutional buyers vs 1 seller in 2026-Q2
- Net institutional accumulation of $126.1M, with total buyer holdings reaching $135.8M
- State Street doubled its stake to $76.1M, the largest single position
- Walleye Capital increased holdings 1,777% to $18.9M, the largest percentage increase among active managers
- JPMorgan and Morgan Stanley each added ~$15.3M, doubling their positions
- Only Wasatch Advisors trimmed, reducing by 67.9% but still holding $7.2M
- Cluster follows record Q2 net sales of $33.9M (+90% YoY) and raised Q3 guidance to $36-37M
- No insider open-market buying accompanies the institutional cluster (confluence score 23/100, divergent)
Financial Impact
13 institutions accumulated $126.1M in net new AMBQ positions during Q2 2026, while 1 seller reduced by $740K. Total buyer holdings reached $135.8M.
Risk Factors
- 13F data is 45+ days stale; positions may have been reduced since quarter-end
- No insider buying to corroborate the institutional thesis
- Company flagged industry-wide supply constraints in its earnings release
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-AMBQ-2026-Q2 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 27, 2026 today | SC 13G/A | $54.67 | awaiting T+20 | awaiting T+20 | No price |
Oct 16, 2026 11d ago | Insider Cluster | $49.62 | awaiting T+20 | awaiting T+20 | No price |
Sep 17, 2026 5w ago | Insider Cluster | $65.46 $49.88 | ▲ +23.80% | ▲ +24.01% | No price |
Sep 15, 2026 6w ago | Insider Cluster | $59.90 $51.55 | ▲ +13.94% | ▲ +16.00% | No price |
Sep 9, 2026 6w ago | Insider Cluster | $60.66 $58.90 | ▼ −2.90% | ▼ −5.28% | No price |
Sep 2, 2026 7w ago | Insider Cluster | $56.43 $68.18 | ▲ +20.82% | ▲ +22.01% | No price |
Aug 18, 2026 10w ago | Insider Cluster | $59.19 $62.35 | ▲ +5.34% | ▲ +6.18% | No price |
Aug 15, 2026 10w ago | Institutional Cluster | $67.86 $60.85 | ▼ −10.33% | ▼ −8.35% | No price |
Aug 11, 2026 11w ago | 8-K | $65.29 $63.77 | ▼ −2.33% | ▼ −1.27% | No price |
Jul 30, 2026 12w ago | 8-K | $63.23 $60.09 | ▼ −4.97% | ▼ −8.93% | No price |
US Market Status
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