Ticker · CUSIP 43114Q105
Holders (tracked)
6
Combined shares
495,197
Combined value
$2.35M
Last close
$5.34
Quarter
2025Q4
Price · 1Y$5.34-3.95 (-42.51%)H $11.77 · L $3.89 · Avg Vol 642K
Position opened
Tracked holders · last 8 quarters
+2 vs previous quarter over the last 8.
Price is +12.7% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
11 events
- AQR Capital Management added2026-02-17+12,107 shares · 2025Q4Position
- Ken Griffin (Citadel Advisors) exited2026-02-17−48,500 shares · 2025Q4Position
- Two Sigma Investments opened position2026-02-17+102,173 shares · 2025Q4Position
- D.E. Shaw & Co. added2026-02-17+112,366 shares · 2025Q4Position
- +14,481 shares · 2025Q4Position
- T. Rowe Price opened position2026-02-17+41,863 shares · 2025Q4Position
- Renaissance Technologies opened position2026-02-12+121,500 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) exited2025-11-14−140,728 shares · 2025Q3Position
- D.E. Shaw & Co. opened position2025-11-14+69,011 shares · 2025Q3Position
- AQR Capital Management trimmed2025-11-14−3,046 shares · 2025Q3Position
- Renaissance Technologies exited2025-11-13−13,700 shares · 2025Q3Position
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of HPK…
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 |
|---|---|---|---|---|
| T. Rowe Price | 2025Q4 | $4.75 | +12.4% | $224K |
| Renaissance Technologies | 2021Q1 | $6.08 | -12.0% | $649K |
| Two Sigma Investments | 2021Q4 | $7.26 | -26.4% | $546K |
| D.E. Shaw & Co. | 2024Q2 | $8.18 | -34.6% | $969K |
| Izzy Englander (Millennium Mgmt) | 2021Q1 | $9.96 | -46.4% | $77K |
| AQR Capital Management | 2022Q2 | $11.66 | -54.2% | $181K |
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions4
- Renaissance Technologies+121,500$576K
- Two Sigma Investments+102,173$484K
- Izzy Englander (Millennium Mgmt)+14,481$69K
- T. Rowe Price+41,863$199
Added to2
- D.E. Shaw & Co.+112,366$533K
- AQR Capital Management+12,107$57K
Trimmed0
—
Exited1
- Ken Griffin (Citadel Advisors)−48,500$343K
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 3 | $6.6M |
| 2022Q2 | 5 | $12.2M |
| 2022Q3 | 4 | $14.3M |
| 2022Q4 | 3 | $15.3M |
| 2023Q1 | 3 | $15.2M |
| 2023Q2 | 7 | $16.4M |
| 2023Q3 | 7 | $19.6M |
| 2023Q4 | 7 | $19.0M |
| 2024Q1 | 7 | $23.1M |
| 2024Q2 | 8 | $20.5M |
| 2024Q3 | 8 | $5.1M |
| 2024Q4 | 6 | $3.5M |
| 2025Q1 | 7 | $3.4M |
| 2025Q2 | 5 | $2.4M |
| 2025Q3 | 4 | $984K |
| 2025Q4 | 6 | $2.3M |
Who owns HPK
6 super-investors · 2025Q4
Tracked stake
495.2K
shares
Combined value
$2M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New4Added2
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | D.E. Shaw & Co. | 181.4K | $860K |
| 2 | Renaissance Technologies | 121.5K | $576K |
| 3 | Two Sigma Investments | 102.2K | $484K |
| 4 | T. Rowe Price | 41.9K | $199K |
| 5 | AQR Capital Management | 33.8K | $160K |
| 6 | Izzy Englander Millennium Mgmt | 14.5K | $69K |
Recent moves
20 transactions
- +12,107 · 2025Q4
- +112,366 · 2025Q4
- −48,500 · 2025Q4
- +41,863 · 2025Q4
- +102,173 · 2025Q4
- +14,481 · 2025Q4
- +121,500 · 2025Q4
- +69,011 · 2025Q3
- −140,728 · 2025Q3
- −3,046 · 2025Q3
- −13,700 · 2025Q3
- −11,442 · 2025Q2
- +130,416 · 2025Q2
- −23,091 · 2025Q2
- SOLDD.E. Shaw & Co.−68,494 · 2025Q2
- +13,700 · 2025Q2
- −35,786 · 2025Q1
- +10,312 · 2025Q1
- +17,052 · 2025Q1
- −5,107 · 2025Q1
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