AMPRIUS TECHNOLOGIES INC

$AMPX
← All companies Sign in to track
Smart money positioned

8 of the Top-200 alpha managers hold $AMPX as of the latest 13F snapshot.

13F holders
9
Insider buys · 90d
0
Congress · 90d
0

Smart Money · top-200 alpha cohort

8 holders · Q1 2026

$AMPX is held by 8 managers from the Top-Performer cohort as of Q1 2026. Position weights range from 0.00% to 0.19%, with an average of 0.03% of portfolio. Largest holder: Hel Ved Capital Management Ltd at 0.19%. A weekly Smart-Money commentary for this ticker has not been generated yet this batch — the table below shows the full cohort positioning.

01
Hel Ved Capital Management Ltd
0.19% NEW
α +36.9pts
02
Voloridge Investment Management, LLC
0.04% held
α +15.5pts
03
Caption Management, LLC
0.01% held
α +15.5pts
04
Quarry LP
0.00% held
α +10.6pts
05
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
0.00% held
α +27.5pts

Smart Money shows holdings from our Top-Performer cohort — the 200 highest-alpha manager_13f funds in our universe. Position weight (current quarter) and QoQ delta versus prior quarter. α is the manager's annual alpha vs benchmark.

Institutional holders

Top 9 of 9 · Source: 13F-HR
01
Vanguard Group Inc.
—
7,128,657 sh
02
Two Sigma
0.05% of portfolio
4,318,630 sh
03
State Street
—
3,240,285 sh
04
Citadel
0.01% of portfolio
1,676,344 sh
05
Renaissance Technologies
0.03% of portfolio
1,408,925 sh
06
Tudor Investment Corp. Et Al
0.05% of portfolio
747,428 sh
07
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
—
220,103 sh
08
Citigroup Inc.
—
101,096 sh
09
Hel Ved Capital Management Ltd
0.15% of portfolio
71,850 sh

Insider activity · last 90 days

50 transactions · 9 filers
25 Aug 2026
Unknown —
▼ SOLD
—
—
S
25 Aug 2026
Unknown —
· GRANT
—
—
A
25 Aug 2026
Unknown —
· G
—
—
G
25 Aug 2026
Unknown —
· G
—
—
G
25 Aug 2026
Unknown —
· G
—
—
G
25 Aug 2026
Unknown —
· G
—
—
G
25 Aug 2026
Unknown —
▼ SOLD
—
—
S
25 Aug 2026
Unknown —
▼ SOLD
—
—
S
25 Aug 2026
Unknown —
▼ SOLD
—
—
S
12 Jun 2026
Satterthwaite Livingston —
· GRANT
10,423
—
A
12 Jun 2026
Chu Steven —
· GRANT
10,423
—
A
15 Jun 2026
Dixon Donald R —
▼ SOLD
85,000
$17.16
S

Transaction codes: P open-market purchase · S sale · M option exercise · A grant · F tax-withhold sale. Insider names link to each individual's expert page.

Congress trades · last 90 days

No Congress trades

No STOCK Act filings reference $AMPX in the recent window.

Convergence · $AMPX

Pattern cards reflect public SEC EDGAR and Congressional filing data only. Detection uses filing dates; trade execution dates may differ. Past convergence patterns do not predict future returns. Nothing here is investment advice.

Source data: SEC EDGAR · 13F-HR · Form 4 · U.S. House Clerk PTR (disclosures-clerk.house.gov) · Senate eFD (senate.gov) · Last refreshed 17:09 UTC.