Ticker · CUSIP 444144109
Holders (tracked)
9
Combined shares
3,240,132
Combined value
$21.69M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
Flat over the last 8 quarters.
SEC event timeline
15 events
- Ken Griffin (Citadel Advisors) trimmed2026-02-17−34,303 shares · 2025Q413F
- D.E. Shaw & Co. trimmed2026-02-17−239,029 shares · 2025Q413F
- Two Sigma Investments trimmed2026-02-17−54,821 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−166,897 shares · 2025Q413F
- Steve Cohen (Point72) added2026-02-17+108,963 shares · 2025Q413F
- +29,237 shares · 2025Q413F
- AQR Capital Management trimmed2026-02-17−5,932 shares · 2025Q413F
- Renaissance Technologies trimmed2026-02-12−99,600 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−110,767 shares · 2025Q313F
- Steve Cohen (Point72) opened position2025-11-14+4,300 shares · 2025Q313F
- Two Sigma Investments trimmed2025-11-14−163,058 shares · 2025Q313F
- AQR Capital Management added2025-11-14+14,333 shares · 2025Q313F
- D.E. Shaw & Co. added2025-11-14+30,146 shares · 2025Q313F
- Howard Marks (Oaktree Capital) exited2025-11-13−562,662 shares · 2025Q313F
- Renaissance Technologies added2025-11-13+125,000 shares · 2025Q313F
Insider activity
Last 30 days
Net (open-market)
$0
Buys
0 · $0
Sells
0 · $0
Unique insiders
2
| Date | Insider | Code | Shares | Price | Value |
|---|---|---|---|---|---|
| 04-10 | Feeler Jeffrey R Director | A | 4,065 | — | $0 |
| 04-10 | Sheriff Alan Director | A | 4,065 | — | $0 |
Who moved on this name in 2025Q4
13F transactions reported for the latest quarter, grouped by direction.
New positions1
- Paul Tudor Jones (Tudor Investment)+29,237$200K
Added to1
- Steve Cohen (Point72)+108,963$746K
Trimmed6
- D.E. Shaw & Co.−239,029$1.6M
- Izzy Englander (Millennium Mgmt)−166,897$1.1M
- Renaissance Technologies−99,600$682K
- Two Sigma Investments−54,821$376K
- Ken Griffin (Citadel Advisors)−34,303$235K
- AQR Capital Management−5,932$41K
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 8 | $1.19B |
| 2022Q2 | 8 | $175.1M |
| 2022Q3 | 9 | $669K |
| 2022Q4 | 11 | $32.3M |
| 2023Q1 | 10 | $27.1M |
| 2023Q2 | 8 | $32.4M |
| 2023Q3 | 10 | $46.8M |
| 2023Q4 | 8 | $50.0M |
| 2024Q1 | 9 | $42.1M |
| 2024Q2 | 10 | $49.6M |
| 2024Q3 | 9 | $18.2M |
| 2024Q4 | 9 | $25.2M |
| 2025Q1 | 10 | $28.0M |
| 2025Q2 | 9 | $35.4M |
| 2025Q3 | 9 | $36.4M |
| 2025Q4 | 9 | $21.7M |
Who owns HDSN
9 super-investors · 2025Q4
Tracked stake
3.24M
shares
Combined value
$22M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New1Added1Trim6Held1
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Renaissance Technologies | 1.70M | $12M |
| 2 | D.E. Shaw & Co. | 582.8K | $4M |
| 3 | AQR Capital Management | 339.4K | $2M |
| 4 | Izzy Englander Millennium Mgmt | 189.1K | $1M |
| 5 | Two Sigma Investments | 135.4K | $927K |
| 6 | Steve Cohen Point72 | 113.3K | $776K |
| 7 | Ken Griffin Citadel Advisors | 80.1K | $549K |
| 8 | Paul Tudor Jones Tudor Investment | 29.2K | $200K |
| 9 | T. Rowe Price | 73.7K | $505 |
Recent moves
20 transactions
- TRIMD.E. Shaw & Co.−239,029 · 2025Q4
- −5,932 · 2025Q4
- −34,303 · 2025Q4
- +108,963 · 2025Q4
- −166,897 · 2025Q4
- −54,821 · 2025Q4
- +29,237 · 2025Q4
- −99,600 · 2025Q4
- −163,058 · 2025Q3
- −110,767 · 2025Q3
- +4,300 · 2025Q3
- +14,333 · 2025Q3
- +30,146 · 2025Q3
- +125,000 · 2025Q3
- −562,662 · 2025Q3
- TRIMD.E. Shaw & Co.−499,562 · 2025Q2
- −11,000 · 2025Q2
- +510 · 2025Q2
- +125,322 · 2025Q2
- −193,817 · 2025Q2
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