United States Antimony Corporation
United States Antimony Corporation (UAMY) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · UAMY · as of Sep 30, 2025
Ownership Breakdown
181
Institutional Holders
▲ 53 vs Q2
$303.52M
Total Inst. Value
▲ $233.13M vs Q2
148.19M
Shares Outstanding
freeFloat 87.89%
48.81M
13F Shares Held
▲ 16.53M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
UAMY largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BLACKROCK, INC. primary smelting & refining of nonferrous metals | 7.22M | 6.11% | 6.11% | $44.79B | Nov 12, 2025 | ▲ 663.7K |
STATE STREET CORP primary smelting & refining of nonferrous metals | 5.87M | 4.97% | 4.97% | $36.42B | Nov 14, 2025 | ▲ 4.76M |
VANGUARD GROUP INC primary smelting & refining of nonferrous metals | 5.60M | 4.73% | 4.73% | $34.71B | Nov 7, 2025 | ▲ 1.03M |
CITADEL ADVISORS LLC primary smelting & refining of nonferrous metals | 3.31M | 2.80% | 2.80% | $20.53B | Nov 14, 2025 | ▲ 1.98M |
DRIEHAUS CAPITAL MANAGEMENT LLC primary smelting & refining of nonferrous metals | 2.82M | 2.39% | 2.39% | $17.50B | Nov 14, 2025 | NEW |
SEGALL BRYANT & HAMILL, LLC primary smelting & refining of nonferrous metals | 2.48M | 2.10% | 2.10% | $15.38B | Nov 12, 2025 | NEW |
GEODE CAPITAL MANAGEMENT, LLC primary smelting & refining of nonferrous metals | 2.17M | 1.84% | 1.84% | $13.47B | Nov 12, 2025 | ▲ 216.3K |
TRUIST FINANCIAL CORP primary smelting & refining of nonferrous metals | 2.15M | 1.82% | 1.82% | $13.34B | Nov 3, 2025 | ▲ 122.5K |
SUSQUEHANNA INTERNATIONAL GROUP, LLP primary smelting & refining of nonferrous metals | 1.94M | 1.64% | 1.64% | $12.04B | Nov 14, 2025 | ▲ 1.50M |
SUSQUEHANNA INTERNATIONAL GROUP, LLP primary smelting & refining of nonferrous metals | 991.0K | 83.80% | 83.80% | $6.14B | Nov 14, 2025 | ▲ 800.4K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
30
Increased
+15.83M shares13
New Positions
first time holders6
Decreased
−3.12M shares0
Sold Out
fully exitedNet shares change (top 50)
+12.71M
+15.83M / −3.12M
Net new holders
+37
13 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
UAMY insider trading · insider activity
Source: SEC Form 4
0
Buy transactions
1
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Pagen Melissa President & COO of BRZ | Mar 23, 2026 | D-Return | 89,004 | $9.14 | $813.5K | 44.8K | Form 4 ↗ |
Bardswich Lloyd Dir, EVP & Chief Mining Eng | Apr 2, 2026 | D-Return | 59,872 | $8.98 | $537.7K | 877.5K | Form 4 ↗ |
Aguirre Blaise A. director | Mar 31, 2026 | D-Return | 5,000 | $8.20 | $41.0K | 867.8K | Form 4 ↗ |
Aguirre Blaise A. director | Mar 31, 2026 | D-Return | 1,000 | $8.22 | $8.2K | 866.8K | Form 4 ↗ |
Aguirre Blaise A. director | Mar 31, 2026 | D-Return | 8,400 | $8.23 | $69.1K | 858.4K | Form 4 ↗ |
Aguirre Blaise A. director | Mar 31, 2026 | D-Return | 9,600 | $8.24 | $79.1K | 848.8K | Form 4 ↗ |
Aguirre Blaise A. director | Mar 31, 2026 | D-Return | 3,000 | $8.26 | $24.8K | 845.8K | Form 4 ↗ |
Bardswich Lloyd Dir, EVP & Chief Mining Eng | Mar 26, 2026 | D-Return | 46,674 | $9.34 | $435.9K | 973.5K | Form 4 ↗ |
Bardswich Lloyd Dir, EVP & Chief Mining Eng | Mar 27, 2026 | D-Return | 36,181 | $9.05 | $327.4K | 937.4K | Form 4 ↗ |
Aguirre Blaise A. director | Mar 24, 2026 | D-Return | 20,000 | $9.16 | $183.2K | 884.5K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
United States Antimony Corporation (UAMY) is primarily owned by institutional investors, who hold approximately 32.9% of total shares outstanding. Company insiders own approximately 12.11%, while retail and public investors account for the remaining 54.95%.
The largest institutional shareholder of United States Antimony Corporation is BLACKROCK, INC., holding approximately 7.22 million shares — equal to 6.11% of outstanding shares — as of September 30, 2025.
A total of 181 institutional investors currently hold UAMY stock, with a combined institutional value of approximately $303,516,678 as of the most recent 13F filing period.
Frequently asked questions
UAMY ownershipUnited States Antimony Corporation (UAMY) is primarily owned by institutional investors, who hold approximately 32.9% of shares. The largest shareholder is BLACKROCK, INC. with a 6.11% stake. Company insiders hold 12.11%. Data sourced from SEC Form 13F as of September 30, 2025.