HDRN Institutional Ownership
Top institutional (13F) holders of HDRN and 5%+ (13D/G) positions, sourced from SEC EDGAR.
Institutional owners
10
Institutional value
$6.62M
Top holder
CITADEL ADVISORS LLC
Top holders
| Holder | Stake | Filed | Value |
|---|---|---|---|
| GOLDMAN SACHS GROUP INCinvestment advisor | 0.4% | May 15, 2026 | $3.06M |
| MILLENNIUM MANAGEMENT LLCinvestment advisor | 0.3% | May 15, 2026 | $2.66M |
| SUSQUEHANNA INTERNATIONAL GROUP, LLPinvestment advisor | 0.1% | May 15, 2026 | $508.2K |
| GEODE CAPITAL MANAGEMENT, LLCinvestment advisor | 0.2% | Nov 6, 2026 | $146.1K |
| JPMORGAN CHASE & COholding company | 0.1% | Aug 12, 2026 | $103.9K |
| CITADEL ADVISORS LLCinvestment advisor | 0.5% | Sep 1, 2026 | $54.3K |
| UBS Group AGbank | 0.0% | Aug 13, 2026 | $49.5K |
| D. E. Shaw & Co., Inc.investment advisor | 0.2% | Aug 14, 2026 | $28.4K |
| WELLS FARGO & COMPANY/MNinvestment advisor | 0.0% | Aug 14, 2026 | $203 |
| MORGAN STANLEYholding company | 0.0% | Aug 13, 2026 | $93 |
5%+ holders
Current stakes of 5% or more from Schedule 13D and 13G filings. A joint filing shows once, under its lead filer.
| Holder | Form | Stake | Filed |
|---|---|---|---|
| Aristeia Capital, L.L.C.investment advisor | SC 13G/A | 6.6% | Aug 14, 2026 |
| Westchester Capital Management, LLCinvestment advisor | SC 13G | 5.0% | May 14, 2025 |
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Source: SEC EDGAR Schedule 13D / 13G and 13F filings.