OPEN Institutional Ownership
Top institutional (13F) holders of OPEN and activist (13D/G) positions, sourced from SEC EDGAR.
Institutional owners
9
Institutional value
$246.01M
Top holder
Dimensional Fund Advisors LP
Activist holders
10
Top holders
| Holder | Filed | Value |
|---|---|---|
| JANE STREET GROUP, LLCholding company | Aug 14, 2026 | $107.31M |
| Dimensional Fund Advisors LPhedge fund | Aug 11, 2026 | $58.11M |
| NORTHERN TRUST CORPinvestment advisor | Aug 13, 2026 | $38.94M |
| Bank of New York Mellon Corpholding company | Aug 6, 2026 | $13.30M |
| SUSQUEHANNA INTERNATIONAL GROUP, LLPinvestment advisor | Aug 14, 2026 | $10.40M |
| SOROS FUND MANAGEMENT LLCinvestment advisor | Aug 14, 2026 | $9.44M |
| BALYASNY ASSET MANAGEMENT L.P.investment advisor | Aug 14, 2026 | $5.92M |
| CITIGROUP INCinvestment advisor | Aug 3, 2026 | $2.58M |
| PRICE T ROWE ASSOCIATES INC /MD/investment advisor | Aug 14, 2026 | $3.0K |
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Source: SEC EDGAR Schedule 13D / 13G and 13F filings.