HDRN Institutional Ownership
Top institutional (13F) holders of HDRN and activist (13D/G) positions, sourced from SEC EDGAR.
Institutional owners
10
Institutional value
$89.07M
Top holder
CITADEL ADVISORS LLC
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Top holders
| Holder | Filed | Value |
|---|---|---|
| CITADEL ADVISORS LLCinvestment advisor | Sep 1, 2026 | $54.27M |
| D. E. Shaw & Co., Inc.investment advisor | Aug 14, 2026 | $28.35M |
| GOLDMAN SACHS GROUP INCinvestment advisor | May 15, 2026 | $3.06M |
| MILLENNIUM MANAGEMENT LLCinvestment advisor | May 15, 2026 | $2.66M |
| SUSQUEHANNA INTERNATIONAL GROUP, LLPinvestment advisor | May 15, 2026 | $508.2K |
| JPMORGAN CHASE & COinvestment advisor | Aug 12, 2026 | $103.9K |
| GEODE CAPITAL MANAGEMENT, LLCinvestment advisor | Aug 12, 2026 | $59.3K |
| UBS Group AGinvestment advisor | Aug 13, 2026 | $49.5K |
| WELLS FARGO & COMPANY/MNinvestment advisor | Aug 14, 2026 | $203 |
| MORGAN STANLEYinvestment advisor | Aug 13, 2026 | $93 |
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Source: SEC EDGAR Schedule 13D / 13G and 13F filings.