Ticker · CUSIP 68401U204
Holders (tracked)
8
Combined shares
299,750
Combined value
$3.67M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
+1 vs previous quarter over the last 8.
SEC event timeline
12 events
- Ken Griffin (Citadel Advisors) trimmed2026-02-17−96,815 shares · 2025Q4Position
- D.E. Shaw & Co. trimmed2026-02-17−208,184 shares · 2025Q4Position
- Two Sigma Investments trimmed2026-02-17−17,523 shares · 2025Q4Position
- +43,669 shares · 2025Q4Position
- Steve Cohen (Point72) opened position2026-02-17+11,965 shares · 2025Q4Position
- AQR Capital Management added2026-02-17+2,256 shares · 2025Q4Position
- Renaissance Technologies trimmed2026-02-12−78,322 shares · 2025Q4Position
- AQR Capital Management opened position2025-11-14+12,258 shares · 2025Q3Position
- Izzy Englander (Millennium Mgmt) exited2025-11-14−17,593 shares · 2025Q3Position
- Two Sigma Investments trimmed2025-11-14−39,041 shares · 2025Q3Position
- D.E. Shaw & Co. trimmed2025-11-14−91,845 shares · 2025Q3Position
- Renaissance Technologies added2025-11-13+30,193 shares · 2025Q3Position
Insider activity
No insider transactions in the last 30 days.
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions2
- Izzy Englander (Millennium Mgmt)+43,669$535K
- Steve Cohen (Point72)+11,965$147K
Added to1
- AQR Capital Management+2,256$28K
Trimmed4
- D.E. Shaw & Co.−208,184$2.6M
- Ken Griffin (Citadel Advisors)−96,815$1.2M
- Renaissance Technologies−78,322$960K
- Two Sigma Investments−17,523$215K
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 8 | $116.9M |
| 2022Q2 | 8 | $80.2M |
| 2022Q3 | 11 | $56.3M |
| 2022Q4 | 10 | $57.7M |
| 2023Q1 | 11 | $45.0M |
| 2023Q2 | 11 | $39.2M |
| 2023Q3 | 8 | $15.3M |
| 2023Q4 | 9 | $22.4M |
| 2024Q1 | 7 | $16.1M |
| 2024Q2 | 8 | $18.3M |
| 2024Q3 | 6 | $3.6M |
| 2024Q4 | 4 | $1.8M |
| 2025Q1 | 6 | $5.9M |
| 2025Q2 | 7 | $12.6M |
| 2025Q3 | 7 | $14.3M |
| 2025Q4 | 8 | $3.7M |
Who owns OPRX
8 super-investors · 2025Q4
Tracked stake
299.8K
shares
Combined value
$4M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New2Added1Trim5
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | D.E. Shaw & Co. | 112.9K | $1M |
| 2 | Two Sigma Investments | 46.2K | $566K |
| 3 | Izzy Englander Millennium Mgmt | 43.7K | $535K |
| 4 | Renaissance Technologies | 29.6K | $363K |
| 5 | Ken Griffin Citadel Advisors | 29.0K | $356K |
| 6 | AQR Capital Management | 14.5K | $178K |
| 7 | Ken Griffin Citadel Advisors | 12.0K | $147K |
| 8 | Steve Cohen Point72 | 12.0K | $147K |
Recent moves
20 transactions
- +2,256 · 2025Q4
- +43,669 · 2025Q4
- −96,815 · 2025Q4
- +11,965 · 2025Q4
- TRIMD.E. Shaw & Co.−208,184 · 2025Q4
- −17,523 · 2025Q4
- −78,322 · 2025Q4
- −39,041 · 2025Q3
- −17,593 · 2025Q3
- TRIMD.E. Shaw & Co.−91,845 · 2025Q3
- +12,258 · 2025Q3
- +30,193 · 2025Q3
- −73,013 · 2025Q2
- +53,709 · 2025Q2
- +62,977 · 2025Q2
- +77,707 · 2025Q2
- +90,606 · 2025Q1
- +49,036 · 2025Q1
- +54,202 · 2025Q1
- −45,637 · 2024Q4
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