$19.57
-1.85 (-8.66%)
Market Cap
$2.9B
Shares Outstanding
137,019,000
Institutional Holders
98
Total Inst. Value
$26.8B
% of Float Held
16.5%
QoQ Holder Change
+55
Institutional data as of Q1 2025
New Positions
31
Closed Positions
21
Increased
35
Decreased
15
Institutional Ownership Trend
Top 10 Institutional Holders(Q1 2025)
| # | Fund | Value | Shares |
|---|---|---|---|
| 1 | CLEAR STREET LLC | $26.8B | 10,000 |
| 2 | VANGUARD GROUP INC | $13.0M | 4,861,137 |
| 3 | Invesco Ltd. | $3.1M | 1,166,556 |
| 4 | UBS Group AG | $3.0M | 1,110,121 |
| 5 | BlackRock, Inc. | $2.9M | 1,074,052 |
| 6 | ESSEX INVESTMENT MANAGEMENT CO LLCNew | $2.5M | 935,815 |
| 7 | STIFEL FINANCIAL CORP | $2.4M | 900,783 |
| 8 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $2.2M | 823,160 |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | $1.6M | 594,958 |
| 10 | Baird Financial Group, Inc.New | $1.3M | 500,499 |
Biggest Buyers & Sellers This Quarter
Top Buyers
| Fund | Shares Added | Value |
|---|---|---|
| VANGUARD GROUP INC | +683K | $13.0M |
| UBS Group AG | +935K | $3.0M |
| BlackRock, Inc. | +502K | $2.9M |
| ESSEX INVESTMENT MANAGEMENT CO LLCNew | +936K | $2.5M |
| STIFEL FINANCIAL CORP | +5K | $2.4M |
Top Sellers
| Fund | Shares Removed | Value |
|---|---|---|
| Invesco Ltd. | -1.3M | $3.1M |
| RENAISSANCE TECHNOLOGIES LLC | -751K | $39K |
| JANE STREET GROUP, LLC | -153K | $284K |
| GROUP ONE TRADING LLC | -59K | $241K |
| TWO SIGMA INVESTMENTS, LP | -32K | $1K |
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Frequently Asked Questions
How many institutional investors hold AMPX?
As of Q1 2025, 98 institutional investors report holding AMPX (Amprius Technologies, Inc.) in their 13F filings.
What percentage of Amprius Technologies, Inc. is owned by institutions?
Institutional investors hold approximately 16.5% of Amprius Technologies, Inc.'s float as reported in SEC 13F filings.
Which hedge fund owns the most AMPX?
The largest institutional holder of AMPX is CLEAR STREET LLC with $26.8B in shares.
Are institutions buying or selling AMPX?
This quarter, 31 institutions opened new positions in AMPX and 21 closed their positions.
What is 13F institutional ownership?
SEC Form 13F is a quarterly report filed by institutional investment managers with over $100M in qualifying assets. It discloses their US equity holdings, providing transparency into what the largest investors are buying and selling.
How often is institutional ownership data updated?
13F filings are due 45 days after each calendar quarter end (May 15, Aug 14, Nov 14, Feb 14). Data is updated on HedgeTrace as new filings are processed.