Ticker · CUSIP 42222N103
Holders (tracked)
8
Combined shares
1,265,304
Combined value
$28.61M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
Flat over the last 8 quarters.
SEC event timeline
15 events
- Ken Griffin (Citadel Advisors) trimmed2026-02-17−115,934 shares · 2025Q413F
- D.E. Shaw & Co. trimmed2026-02-17−400 shares · 2025Q413F
- Two Sigma Investments added2026-02-17+57,128 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) added2026-02-17+42,124 shares · 2025Q413F
- T. Rowe Price added2026-02-17+3,067 shares · 2025Q413F
- AQR Capital Management added2026-02-17+2,736 shares · 2025Q413F
- Renaissance Technologies trimmed2026-02-12−171,732 shares · 2025Q413F
- First Eagle Investment Management added2026-02-04+4,300 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−145,099 shares · 2025Q313F
- T. Rowe Price added2025-11-14+566 shares · 2025Q313F
- D.E. Shaw & Co. trimmed2025-11-14−13,209 shares · 2025Q313F
- Two Sigma Investments added2025-11-14+10,924 shares · 2025Q313F
- AQR Capital Management trimmed2025-11-14−10,092 shares · 2025Q313F
- Renaissance Technologies trimmed2025-11-13−9,700 shares · 2025Q313F
- First Eagle Investment Management added2025-11-12+2,900 shares · 2025Q313F
Insider activity
No insider transactions in the last 30 days.
Who moved on this name in 2025Q4
13F transactions reported for the latest quarter, grouped by direction.
New positions0
—
Added to5
- Two Sigma Investments+57,128$1.3M
- Izzy Englander (Millennium Mgmt)+42,124$972K
- First Eagle Investment Management+4,300$99K
- AQR Capital Management+2,736$63K
- T. Rowe Price+3,067$71
Trimmed3
- Renaissance Technologies−171,732$4.0M
- Ken Griffin (Citadel Advisors)−115,934$2.7M
- D.E. Shaw & Co.−400$9K
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 11 | $106.0M |
| 2022Q2 | 12 | $115.1M |
| 2022Q3 | 10 | $114K |
| 2022Q4 | 13 | $116.8M |
| 2023Q1 | 12 | $128.2M |
| 2023Q2 | 12 | $121.2M |
| 2023Q3 | 13 | $108.8M |
| 2023Q4 | 10 | $131.8M |
| 2024Q1 | 10 | $135.0M |
| 2024Q2 | 12 | $170.2M |
| 2024Q3 | 10 | $52.1M |
| 2024Q4 | 12 | $48.6M |
| 2025Q1 | 11 | $40.1M |
| 2025Q2 | 8 | $44.1M |
| 2025Q3 | 8 | $40.2M |
| 2025Q4 | 8 | $28.6M |
Who owns HSTM
8 super-investors · 2025Q4
Tracked stake
1.27M
shares
Combined value
$29M
% of shares outstanding
—
shares-out unknown
Quarter action mix
Added5Trim3
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Renaissance Technologies | 475.5K | $11M |
| 2 | First Eagle Investment Management | 413.7K | $10M |
| 3 | Two Sigma Investments | 219.6K | $5M |
| 4 | Izzy Englander Millennium Mgmt | 64.5K | $1M |
| 5 | AQR Capital Management | 31.1K | $717K |
| 6 | Ken Griffin Citadel Advisors | 25.8K | $595K |
| 7 | D.E. Shaw & Co. | 9.9K | $228K |
| 8 | T. Rowe Price | 25.3K | $584 |
Recent moves
20 transactions
- TRIMD.E. Shaw & Co.−400 · 2025Q4
- +3,067 · 2025Q4
- +2,736 · 2025Q4
- −115,934 · 2025Q4
- +42,124 · 2025Q4
- +57,128 · 2025Q4
- −171,732 · 2025Q4
- +4,300 · 2025Q4
- +10,924 · 2025Q3
- −145,099 · 2025Q3
- −10,092 · 2025Q3
- +566 · 2025Q3
- TRIMD.E. Shaw & Co.−13,209 · 2025Q3
- −9,700 · 2025Q3
- +2,900 · 2025Q3
- TRIMD.E. Shaw & Co.−16,211 · 2025Q2
- −13,896 · 2025Q2
- +96,982 · 2025Q2
- +92,848 · 2025Q2
- +1,612 · 2025Q2
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