Ticker · CUSIP 44842L103
Holders (tracked)
3
Combined shares
198,320
Combined value
$2.64M
Last close
$15.74
Quarter
2025Q4
Price · 1Y$15.74+1.98 (+14.39%)H $19.21 · L $13.09 · Avg Vol 49K
Position opened
Tracked holders · last 8 quarters
Flat over the last 8 quarters.
Price is +18.1% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
7 events
- Ken Griffin (Citadel Advisors) added2026-02-17+13,854 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−44,656 shares · 2025Q4Position
- Renaissance Technologies added2026-02-12+3,900 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−12,923 shares · 2025Q3Position
- Two Sigma Investments exited2025-11-14−27,641 shares · 2025Q3Position
- D.E. Shaw & Co. exited2025-11-14−11,373 shares · 2025Q3Position
- Renaissance Technologies added2025-11-13+2,000 shares · 2025Q3Position
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of HCM…
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 |
|---|---|---|---|---|
| Ken Griffin (Citadel Advisors) | 2019Q3 | $14.14 | +11.4% | $406K |
| Izzy Englander (Millennium Mgmt) | 2016Q1 | $14.27 | +10.3% | $593K |
| Renaissance Technologies | 2017Q1 | $16.17 | -2.7% | $2.1M |
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions0
—
Added to2
- Ken Griffin (Citadel Advisors)+13,854$185K
- Renaissance Technologies+3,900$52K
Trimmed1
- Izzy Englander (Millennium Mgmt)−44,656$595K
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 7 | $6.04B |
| 2022Q2 | 5 | $62.8M |
| 2022Q3 | 6 | $44.3M |
| 2022Q4 | 11 | $29.6M |
| 2023Q1 | 11 | $22.9M |
| 2023Q2 | 11 | $15.9M |
| 2023Q3 | 9 | $22.5M |
| 2023Q4 | 8 | $13.0M |
| 2024Q1 | 7 | $8.4M |
| 2024Q2 | 9 | $12.7M |
| 2024Q3 | 7 | $12.9M |
| 2024Q4 | 7 | $8.0M |
| 2025Q1 | 6 | $4.8M |
| 2025Q2 | 5 | $4.5M |
| 2025Q3 | 3 | $3.5M |
| 2025Q4 | 3 | $2.6M |
Who owns HCM
3 super-investors · 2025Q4
Tracked stake
198.3K
shares
Combined value
$3M
% of shares outstanding
—
shares-out unknown
Quarter action mix
Added2Trim1
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Renaissance Technologies | 134.9K | $2M |
| 2 | Izzy Englander Millennium Mgmt | 37.7K | $502K |
| 3 | Ken Griffin Citadel Advisors | 25.8K | $343K |
Recent moves
20 transactions
- +13,854 · 2025Q4
- −44,656 · 2025Q4
- +3,900 · 2025Q4
- SOLDD.E. Shaw & Co.−11,373 · 2025Q3
- −27,641 · 2025Q3
- −12,923 · 2025Q3
- +2,000 · 2025Q3
- −15,321 · 2025Q2
- −19,621 · 2025Q2
- +11,373 · 2025Q2
- −6,200 · 2025Q2
- −99,058 · 2025Q1
- SOLDD.E. Shaw & Co.−41,543 · 2025Q1
- −11,254 · 2025Q1
- −53,339 · 2025Q1
- TRIMD.E. Shaw & Co.−51,734 · 2024Q4
- −12,471 · 2024Q4
- −100,366 · 2024Q4
- +29,239 · 2024Q4
- −16,300 · 2024Q3
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