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Of the 11 tracked institutions holding AMPX, 6 have a 3-year clone track record — 6 of them beat the S&P. Average holder's clone alpha: +6.3pt. It's a gauge of who owns the name, not just how many.
Among the 11 tracked institutional investors we monitor, AMPX (AMPRIUS TECHNOLOGIES INC) is held with a combined value of $343.06M across 24,140,255 shares. The largest holder is BlackRock, Inc. with a position worth $155.54M. Gotham Asset Management, LLC opened a new position in the most recent quarter. 9 funds increased their holdings. 1 fund reduced its position.
Total Institutional Value
$343.06M
Total Shares Held
24,140,255
Institutional Holders
11
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | BlackRock, Inc. | $155.54M | 0.00% | +4.6% |
| 2 | VANGUARD GROUP INC | $56.25M | 0.00% | +9.5% |
| 3 | STATE STREET CORP | $45.73M | 0.00% | +6.2% |
| 4 | PRICE T ROWE ASSOCIATES INC /MD/ | $31.99M | 0.00% | +2254.8% |
| 5 | CITADEL ADVISORS LLC | $24.26M | 0.02% | +216.3% |
| 6 | MILLENNIUM MANAGEMENT LLC | $19.56M | 0.01% | +6.9% |
| 7 | RENAISSANCE TECHNOLOGIES LLC | $6.06M | 0.01% | +218.7% |
| 8 | AQR CAPITAL MANAGEMENT LLC | $2.32M | 0.00% | +1.2% |
| 9 | Gotham Asset Management, LLC | $666.26K | 0.00% | New |
| 10 | Point72 Asset Management, L.P. | $470.75K | 0.00% | -94.3% |
As of the latest SEC 13F filings, BlackRock, Inc. is the largest institutional holder of AMPX with a position worth $155.54M, representing 0.00% of their portfolio. In total, 11 institutional investors hold AMPX with a combined value of $343.06M.
In the most recent quarter, 1 fund opened a new position in AMPX. Additionally, 9 increased their holdings and 1 reduced their positions.
Institutional investors hold $343.06M worth of AMPX stock across 11 positions. The largest institutional holder is BlackRock, Inc. with $155.54M 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 AMPX, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their AMPX 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 →
Last Close
$9.24
2026-07-24
YTD
+5.7%
17% of 52-week range
