OptimizeRx Corp OPRX
CIK 0001448431 · CUSIP 68401U204
Quarter-end disclosures, not live holdings.
Top 20 institutions
Weight means this stock's share of the manager's own portfolio.
| # | Manager | Value | Manager weight | Change vs prior | Source | |
|---|---|---|---|---|---|---|
| 01 | Whetstone Capital Advisors, LLC CIK 1607278 · View history | $20.36M 1,508,303 shares | 5.75% | 0(0.0%)Unchanged | SEC filing ↗ Aug 14, 2025 | ▾ |
| 02 | BlackRock, Inc. CIK 2012383 · View history | $16.49M 1,221,833 shares | 0.00% | -99.31K(-7.5%)Reduced | SEC filing ↗ Aug 12, 2025 | ▾ |
| 03 | VANGUARD GROUP INC CIK 102909 · View history | $12.43M 920,885 shares | 0.00% | -963(-0.1%)Reduced | SEC filing ↗ Aug 11, 2025 | ▾ |
| 04 | ROYCE & ASSOCIATES LP CIK 906304 · View history | $10.67M 790,640 shares | 0.11% | -203.66K(-20.5%)Reduced | SEC filing ↗ Aug 11, 2025 | ▾ |
| 05 | BLAIR WILLIAM & CO/IL CIK 902367 · View history | $8.49M 628,926 shares | 0.02% | -2.10K(-0.3%)Reduced | SEC filing ↗ Jul 24, 2025 | ▾ |
| 06 | RICE HALL JAMES & ASSOCIATES, LLC CIK 1230765 · View history | $8.20M 607,560 shares | 0.44% | +31.39K(+5.4%)Added | SEC filing ↗ Aug 11, 2025 | ▾ |
| 07 | Parkman Healthcare Partners LLC CIK 1777015 · View history | $6.85M 507,423 shares | 0.79% | +32.42K(+6.8%)Added | SEC filing ↗ Aug 14, 2025 | ▾ |
| 08 | KENNEDY CAPITAL MANAGEMENT LLC CIK 884589 · View history | $6.38M 472,472 shares | 0.15% | -5.93K(-1.2%)Reduced | SEC filing ↗ Aug 13, 2025 | ▾ |
| 09 | Manatuck Hill Partners, LLC CIK 1467902 · View history | $6.14M 455,000 shares | 2.31% | +265.00K(+139.5%)Added | SEC filing ↗ Aug 14, 2025 | ▾ |
| 10 | D. E. Shaw & Co., Inc. CIK 1009207 · View history | $5.57M 412,896 shares | 0.01% | +62.98K(+18.0%)Added | SEC filing ↗ Aug 14, 2025 | ▾ |
| 11 | GEODE CAPITAL MANAGEMENT, LLC CIK 1214717 · View history | $5.39M 399,548 shares | 0.00% | -8.13K(-2.0%)Reduced | SEC filing ↗ Aug 8, 2025 | ▾ |
| 12 | STATE STREET CORP CIK 93751 · View history | $5.25M 389,032 shares | 0.00% | +29.51K(+8.2%)Added | SEC filing ↗ Aug 14, 2025 | ▾ |
| 13 | DIMENSIONAL FUND ADVISORS LP CIK 354204 · View history | $5.19M 384,747 shares | 0.00% | -47.31K(-11.0%)Reduced | SEC filing ↗ Aug 12, 2025 | ▾ |
| 14 | MORGAN STANLEY CIK 895421 · View history | $3.57M 264,722 shares | 0.00% | +48.56K(+22.5%)Added | SEC filing ↗ Aug 14, 2025 | ▾ |
| 15 | AWM Investment Company, Inc. CIK 1535264 · View history | $3.45M 255,421 shares | 0.39% | 0(0.0%)Unchanged | SEC filing ↗ Aug 14, 2025 | ▾ |
| 16 | Schonfeld Strategic Advisors LLC CIK 1665241 · View history | $3.29M 243,643 shares | 0.02% | +121.62K(+99.7%)Added | SEC filing ↗ Aug 14, 2025 | ▾ |
| 17 | NORTHERN TRUST CORP CIK 73124 · View history | $3.14M 232,229 shares | 0.00% | +53.04K(+29.6%)Added | SEC filing ↗ Aug 13, 2025 | ▾ |
| 18 | Bullseye Asset Management LLC CIK 1513779 · View history | $2.79M 206,527 shares | 1.39% | 0(0.0%)Unchanged | SEC filing ↗ Aug 12, 2025 | ▾ |
| 19 | CITADEL ADVISORS LLC CIK 1423053 · View history | $2.46M 182,346 shares | 0.00% | +110.47K(+153.7%)Added | SEC filing ↗ Aug 14, 2025 | ▾ |
| 20 | Balyasny Asset Management L.P. CIK 1218710 · View history | $2.11M 156,338 shares | 0.00% | +156.34KNew | SEC filing ↗ Aug 14, 2025 | ▾ |
Showing 20 / 112 institutions. The complete set is available through the API.
Coverage & totals by quarter
Reporting institutions by quarter
Counts also change with data coverage and reporting entities; they do not measure net buying. Distinct managers with a live stock row in this CUSIP; totals may include overlapping filings and are not a share of the company.
Explore all 112 reporting institutions.
This page includes 20 of 112 reporting institutions. Sign in to look up the full history beyond 3 years, use advanced screening & filtering, download CSV, and get the complete set through the Akkru API.
- Download CSV
- Earlier quarters
- Advanced screening & filtering
- API & AI access
+ New accounts get free API credits to explore data beyond ownership filings.
For AI agents & developers
The initial HTML of this page carries its exact data as script#research-data (JSON): values, units, scope, preview limits and SEC sources. Read it directly, no script or API key needed; script#research-access says what needs an account. This page lists 20 of 112 reporting institutions; totals use the complete disclosed data.
Without an account: the last 3 years, with the row caps stated on the page. A free account opens all history on file on these pages and the CSV of what a page shows. Rows beyond the caps and bulk retrieval go through the authenticated API / MCP.
MCP https://api.akkrudata.ai/mcp
get_institutional_security_holders
{"cusip":"68401U204","quarter":"2025Q2","type":"positions","page_size":100}Connect to MCP with OAuth and follow the returned pagination. Credits and usage limits depend on the account.
- MCP endpoint
- https://api.akkrudata.ai/mcp
- API / MCP documentation
- /documents
- llms.txt
- /llms.txt
Sources, coverage & how to read this data
Figures are as reported to the SEC and merged with later amendments where Akkru could match them. Preview limits apply to what is listed, not to the totals, which come from the complete reported data. Nothing is zero-filled: a missing quarter or month is shown as missing.