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Of the 9 tracked institutions holding AMBA, 4 have a 3-year clone track record — 4 of them beat the S&P. Average holder's clone alpha: +6.2pt. It's a gauge of who owns the name, not just how many.
Among the 9 tracked institutional investors we monitor, AMBA (AMBARELLA INC) is held with a combined value of $1.26B across 15,667,743 shares. The largest holder is VANGUARD GROUP INC with a position worth $388.22M. 5 funds increased their holdings. 4 funds reduced their position.
Total Institutional Value
$1.26B
Total Shares Held
15,667,743
Institutional Holders
9
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | VANGUARD GROUP INC | $388.22M | 0.01% | +6.0% |
| 2 | BlackRock, Inc. | $338.45M | 0.01% | +4.1% |
| 3 | PRICE T ROWE ASSOCIATES INC /MD/ | $222.99M | 0.02% | +172.9% |
| 4 | STATE STREET CORP | $219.88M | 0.01% | +29.7% |
| 5 | AQR CAPITAL MANAGEMENT LLC | $42.52M | 0.01% | -0.0% |
| 6 | FMR LLC | $27.11M | 0.00% | +4.5% |
| 7 | Point72 Asset Management, L.P. | $10.12M | 0.02% | -77.4% |
| 8 | RENAISSANCE TECHNOLOGIES LLC | $9.46M | 0.01% | -44.7% |
| 9 | MILLENNIUM MANAGEMENT LLC | $3.55M | 0.00% | -97.3% |
As of the latest SEC 13F filings, VANGUARD GROUP INC is the largest institutional holder of AMBA with a position worth $388.22M, representing 0.01% of their portfolio. In total, 9 institutional investors hold AMBA with a combined value of $1.26B.
Institutional investors hold $1.26B worth of AMBA stock across 9 positions. The largest institutional holder is VANGUARD GROUP INC with $388.22M in holdings.
A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For AMBA, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their AMBA positions.
Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →
| 2026-08-07 |
| 5.0% | 2026-07-31 |
SEC Schedule 13D (activist) and 13G (passive) filings for AMBA. Filed when an investor acquires 5%+ ownership.
Last Close
$61.70
2026-10-16
YTD
-17.9%
28% of 52-week range