Ticker · CUSIP 44862P208
Holders (tracked)
7
Combined shares
1,664,544
Combined value
$39.57M
Last close
$44.17
Quarter
2025Q4
Price · 1Y$44.17+40.50 (+1103.54%)H $55.74 · L $2.76 · Avg Vol 2.2M
Insider buyPosition opened
Tracked holders · last 8 quarters
+1 vs previous quarter over the last 8.
Price is +85.8% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
10 events
- Sprott Eric2026-04-09Bought $3.91M @ $39.06Insider buy
- Sprott Eric2026-04-09Bought $3.83M @ $38.28Insider buy
- Ken Griffin (Citadel Advisors) trimmed2026-02-17−105,539 shares · 2025Q4Position
- Two Sigma Investments trimmed2026-02-17−347,363 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) added2026-02-17+217,866 shares · 2025Q4Position
- Steve Cohen (Point72) opened position2026-02-17+128,519 shares · 2025Q4Position
- Renaissance Technologies trimmed2026-02-12−714,815 shares · 2025Q4Position
- +353,660 shares · 2025Q3Position
- Two Sigma Investments added2025-11-14+297,007 shares · 2025Q3Position
- Renaissance Technologies added2025-11-13+781,300 shares · 2025Q3Position
Insider activity
Last 30 days
Net (open-market)
$7.73M
Buys
2 · $7.73M
Sells
0 · $0
Unique insiders
1
| Date | Insider | Code | Shares | Price | Value |
|---|---|---|---|---|---|
| 04-09 | Sprott Eric 10%+ | P | 100,000 | $39.06 | $3.91M |
| 04-09 | Sprott Eric 10%+ | P | 100,000 | $38.28 | $3.83M |
Follow-the-investor returns
If you'd copied each holder of HYMC…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
| Investor | First in | Cost basis | Return | Position value today |
|---|---|---|---|---|
| Renaissance Technologies | 2023Q4 | $5.46 | +709.1% | $12.7M |
| Two Sigma Investments | 2024Q2 | $5.47 | +707.7% | $1.8M |
| Izzy Englander (Millennium Mgmt) | 2023Q4 | $12.76 | +246.2% | $25.2M |
| Ken Griffin (Citadel Advisors) | 2023Q4 | $18.97 | +132.8% | $3.3M |
| Ken Griffin (Citadel Advisors) | 2023Q4 | $18.97 | +132.8% | $3.3M |
| Ken Griffin (Citadel Advisors) | 2023Q4 | $18.97 | +132.8% | $3.3M |
| Steve Cohen (Point72) | 2025Q4 | $23.77 | +85.8% | $5.7M |
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions1
- Steve Cohen (Point72)+128,519$3.1M
Added to1
- Izzy Englander (Millennium Mgmt)+217,866$5.2M
Trimmed3
- Renaissance Technologies−714,815$17.0M
- Two Sigma Investments−347,363$8.3M
- Ken Griffin (Citadel Advisors)−105,539$2.5M
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2023Q4 | 5 | $608K |
| 2024Q1 | 6 | $563K |
| 2024Q2 | 5 | $860K |
| 2024Q3 | 5 | $440K |
| 2024Q4 | 4 | $335K |
| 2025Q1 | 5 | $890K |
| 2025Q2 | 4 | $1.3M |
| 2025Q3 | 6 | $13.1M |
| 2025Q4 | 7 | $39.6M |
Who owns HYMC
7 super-investors · 2025Q4
Tracked stake
1.66M
shares
Combined value
$40M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New1Added1Trim5
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Izzy Englander Millennium Mgmt | 571.5K | $14M |
| 2 | Ken Griffin Citadel Advisors | 361.4K | $9M |
| 3 | Renaissance Technologies | 287.1K | $7M |
| 4 | Ken Griffin Citadel Advisors | 200.8K | $5M |
| 5 | Steve Cohen Point72 | 128.5K | $3M |
| 6 | Ken Griffin Citadel Advisors | 75.2K | $2M |
| 7 | Two Sigma Investments | 40.0K | $951K |
Recent moves
20 transactions
- −105,539 · 2025Q4
- −347,363 · 2025Q4
- +217,866 · 2025Q4
- +128,519 · 2025Q4
- −714,815 · 2025Q4
- +297,007 · 2025Q3
- +353,660 · 2025Q3
- +781,300 · 2025Q3
- +50,703 · 2025Q2
- +119,900 · 2025Q2
- +27,259 · 2025Q1
- +14,000 · 2025Q1
- −14,415 · 2024Q4
- +11,200 · 2024Q4
- +4,648 · 2024Q3
- +1,200 · 2024Q3
- +22,173 · 2024Q2
- −20,942 · 2024Q2
- ADDBlackRock+44,884 · 2024Q2
- +36,200 · 2024Q2
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