United States Antimony
UAMY • AMEX
United States Antimony is a industrial materials company in the basic materials sector on AMEX, led by Gary C. Evans, with a market cap of $784.2M. As of Q3 2025, 38% of shares are held by 161 institutional investors, with BlackRock, Inc. as the largest holder at 5.61%.
Co-CEOGary C. Evans
Market Cap$784.2M
Industrial Materials
Basic Materials
Employees83.0
Websiteusantimony.com
Country
United States of America
Overview
Overview of institutional ownership in UAMY as of Q3 2025 with a market cap of $798.1M
All Institutions
- Institutions
- 161
- Value Held
- $302.3M
- Shares Held
- 48.7M
- Avg Position
- $1.9M
- Median Position
- $210.8K
Hedge Funds
- Hedge Funds
- 15
- Value Held
- $61.9M
- Shares Held
- 10.0M
- Avg Position
- $4.1M
- Median Position
- $1.7M
Ownership Breakdown
Based on market cap of $798.1M as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.
Biggest Investors
Institutions with the largest positions in UAMY as of Q3 2025
| Institution | Position Value |
|---|---|
B BlackRock, Inc. Institution | $44.8M 0.00% of portfolio |
 STATE STREET CORP Institution | $36.4M 0.00% of portfolio |
 VANGUARD GROUP INC Institution | $34.7M 0.00% of portfolio |
 CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | $20.5M 0.02% of portfolio |
 DRIEHAUS CAPITAL MANAGEMENT LLC Hedge Fund•Event Driven | $17.5M 0.13% of portfolio |
 SEGALL BRYANT & HAMILL Long Only Manager | $15.4M 0.21% of portfolio |
 GEODE CAPITAL MANAGEMENT LLC ETF Provider | $13.5M 0.00% of portfolio |
 BB&T CORP Institution | $13.3M 0.02% of portfolio |
 MORGAN STANLEY RIA/Wealth | $5.9M 0.00% of portfolio |
J JANE STREET GROUP, LLC Institution | $5.6M 0.01% of portfolio |
Net Capital Flow
Institutional buying and selling activity for UAMY in Q3 2025
- Traded
- +$113.6M
- Buyers
- 113
- Sellers
- 45
- Total Bought
- +$141.0M
- Total Sold
- −$27.4M
- Avg Position
- $1.7M
Biggest Buyers
| Institution | Net Bought |
|---|---|
STATE STREET CORP Institution | +$29.5M +4.8M shares |
DRIEHAUS CAPITAL MANAGEMENT LLC Hedge Fund•Event Driven | +$17.5M +2.8M shares |
SEGALL BRYANT & HAMILL Long Only Manager | +$15.4M +2.5M shares |
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | +$12.3M +2.0M shares |
VANGUARD GROUP INC Institution | +$6.4M +1.0M shares |
J JANE STREET GROUP, LLC Institution | +$5.6M +900.8K shares |
 TANAKA CAPITAL MANAGEMENT INC RIA/Wealth | +$5.1M +827.0K shares |
J Jump Financial, LLC Institution | +$4.3M +694.4K shares |
B BlackRock, Inc. Institution | +$4.1M +663.7K shares |
 BALYASNY ASSET MANAGEMENT LLC Hedge Fund•Multi-Strategy | +$3.3M +533.6K shares |
Biggest Sellers
| Institution | Net Sold |
|---|---|
MORGAN STANLEY RIA/Wealth | −$9.2M −1.5M shares |
P Prospect Capital Advisors, LLC Hedge Fund•Long/Short | −$3.7M −601.6K shares |
N Nuveen, LLC Institution | −$3.1M −494.7K shares |
 GOLDMAN SACHS GROUP INC Institution | −$2.1M −331.9K shares |
 BARCLAYS PLC Institution | −$1.3M −214.4K shares |
 Marshall Wace LLP Institution | −$1.3M −598.8K shares |
H HEARTLAND ADVISORS INC Long Only Manager | −$907.3K −416.2K shares |
−$846.2K −136.5K shares | |
 GSA CAPITAL PARTNERS LLP Hedge Fund•Quant | −$747.6K −120.6K shares |
 Miracle Mile Advisors, LLC RIA/Wealth | −$520.8K −84.0K shares |
Entry and Exit Activity
Institutions that initiated new positions or completely exited UAMY in Q3 2025
- New Positions
- 55
- New Value
- $62.2M
- Exited Positions
- 15
- Exited Value
- $3.9M
New Positions
| Institution | Position Value |
|---|---|
DRIEHAUS CAPITAL MANAGEMENT LLC Hedge Fund•Event Driven | $17.5M 2.8M shares |
SEGALL BRYANT & HAMILL Long Only Manager | $15.4M 2.5M shares |
TANAKA CAPITAL MANAGEMENT INC RIA/Wealth | $5.1M 827.0K shares |
J Jump Financial, LLC Institution | $4.3M 694.4K shares |
 Intrinsic Edge Capital Management LLC Hedge Fund•Multi-Strategy | $3.1M 500.1K shares |
 Baird Financial Group, Inc. Private Equity | $2.0M 323.6K shares |
 WEXFORD CAPITAL LP Hedge Fund•Multi-Strategy | $2.0M 319.2K shares |
 Lighthouse Investment Partners, LLC Fund of Funds | $1.9M 300.0K shares |
 AQR CAPITAL MANAGEMENT LLC Hedge Fund•Multi-Strategy | $1.2M 187.1K shares |
 AMERIPRISE FINANCIAL INC Institution | $1.2M 186.9K shares |
Exited Positions
| Institution | Previous Position |
|---|---|
Marshall Wace LLP Institution | $1.3M 598.8K shares |
H HEARTLAND ADVISORS INC Long Only Manager | $907.3K 416.2K shares |
P PEAK6 LLC Institution | $404.5K 185.6K shares |
V Virtu Financial LLC Institution | $265.1K 121.6K shares |
M Man Group plc Institution | $236.7K 108.6K shares |
 CAPTRUST FINANCIAL ADVISORS RIA/Wealth | $194.0K 89.0K shares |
 ARROWSTREET CAPITAL LIMITED PARTNERSHIP Hedge Fund•Quant | $145.2K 66.6K shares |
 ExodusPoint Capital Management, LP Hedge Fund•Multi-Strategy | $135.2K 62.0K shares |
W Winton Capital Group Ltd Institution | $76.5K 35.1K shares |
 Ridgewood Investments LLC RIA/Wealth | $76.3K 35.0K shares |
Options Activity
Institutions with the largest Call and Put options positions in UAMY as of Q3 2025
- Call Positions
- 11
- Call Value
- $23.2M
- Put Positions
- 6
- Put Value
- $17.2M
Call Positions
| Institution | Position Value |
|---|---|
 SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | $12.0M 19.4K contracts |
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | $4.0M 6.4K contracts |
G GRATIA CAPITAL, LLC Hedge Fund•Multi-Strategy | $2.6M 4.2K contracts |
P PEAK6 LLC Institution | $1.5M 2.5K contracts |
W WOLVERINE TRADING, LLC Institution | $1.2M 1.9K contracts |
 DLD Asset Management, LP Hedge Fund•Multi-Strategy | $622.5K 1.0K contracts |
J JANE STREET GROUP, LLC Institution | $607.6K 980.0 contracts |
S SIG BROKERAGE, LP Institution | $251.7K 406.0 contracts |
 Brooklands Fund Management Ltd Hedge Fund•Multi-Strategy | $155.0K 250.0 contracts |
L LPL Financial LLC Institution | $93.0K 150.0 contracts |
Put Positions
| Institution | Position Value |
|---|---|
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | $6.1M 9.9K contracts |
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | $4.4M 7.1K contracts |
DLD Asset Management, LP Hedge Fund•Multi-Strategy | $3.3M 5.3K contracts |
J JANE STREET GROUP, LLC Institution | $1.7M 2.7K contracts |
W WOLVERINE TRADING, LLC Institution | $1.4M 2.1K contracts |
 Walleye Trading Advisors, LLC Hedge Fund•Multi-Strategy | $289.5K 467.0 contracts |
Most Committed Institutions
Institutions with UAMY as the highest % of their portfolio as of Q3 2025
| Institution | Portfolio Weight |
|---|---|
TANAKA CAPITAL MANAGEMENT INC RIA/Wealth | 7.46% $5.1M |
S Soviero Asset Management, LP Hedge Fund•Long/Short | 2.99% $4.8M |
P Prospect Capital Advisors, LLC Hedge Fund•Long/Short | 2.24% $4.3M |
WEXFORD CAPITAL LP Hedge Fund•Multi-Strategy | 0.60% $2.0M |
Intrinsic Edge Capital Management LLC Hedge Fund•Multi-Strategy | 0.47% $3.1M |
SEGALL BRYANT & HAMILL Long Only Manager | 0.21% $15.4M |
 AH Lisanti Capital Growth, LLC Long Only Manager | 0.20% $811.1K |
 PERRITT CAPITAL MANAGEMENT INC Long Only Manager | 0.19% $403.0K |
 KIECKHEFER GROUP LLC RIA/Wealth | 0.19% $409.2K |
 Beirne Wealth Consulting Services, LLC RIA/Wealth | 0.18% $744.0K |
Hedge Fund Spotlight
Discover hedge funds investing in UAMY
P
Prospect Capital Advisors, LLC
Hedge Fund • Long/Short
Portfolio ManagerDaniel William Mendoza
- Portfolio Value
- $193.0M
- Positions
- 28
- Last Reported
- Q3 2025
Sector Allocation
Position in United States Antimony
- Market Value
- $4.3M
- Shares Held
- 697.4K
- Portfolio Weight
- 2.24%
- Owned Since
- 2025-Q2
| Top Holding | Sector | Market Value | Weight |
|---|---|---|---|
Financial - Capital Markets Financial Services | $17.1M | 8.84% | |
Education & Training Services Consumer Defensive | $15.4M | 7.98% | |
Hardware, Equipment & Parts Technology | $13.1M | 6.78% |
