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Who owns OptimizeRx (OPRX) stock

101 funds reported OptimizeRx (OPRX) shares in their latest 13F filings, worth $75.2M in all. The largest holder is Vanguard Group ($13.9M). Last quarter 50 funds added to their stakes and 71 cut them.

Largest holders of OPRX (13F)Largest holders of OPRX (13F)Vanguard Group$13.9MWhetstone Capital Advisors, LLC$8.6MRoyce & Associates LP$6.2MVanguard Capital Management LLC$4.0MKennedy Capital Management LLC$3.7MRice Hall James & Associates, LLC$3.6MBlair William$3.5MAQR Capital Management LLC$3.3MDimensional Fund Advisors LP$2.7MBlackRock$2.5M

Largest holders (13F)

FundSharesValueChangeQuarter
Vanguard Group1,136,933$13.9Mincrease2025-12-31
Whetstone Capital Advisors, LLC1,508,303$8.6Munchanged2026-06-30
Royce & Associates LP1,089,398$6.2Mincrease2026-06-30
Vanguard Capital Management LLC699,604$4.0Mincrease2026-06-30
Kennedy Capital Management LLC644,150$3.7Mdecrease2026-06-30
Rice Hall James & Associates, LLC633,842$3.6Mincrease2026-06-30
Blair William607,925$3.5Mdecrease2026-06-30
AQR Capital Management LLC583,956$3.3Mincrease2026-06-30
Dimensional Fund Advisors LP477,687$2.7Mdecrease2026-06-30
BlackRock445,382$2.5Mdecrease2026-06-30
Parkman Healthcare Partners LLC350,347$2.0Mdecrease2026-06-30
Bullseye Asset Management LLC258,311$1.5Mincrease2026-06-30
Geode Capital Management, LLC207,345$1.2Mdecrease2026-06-30
Vanguard Portfolio Management LLC169,538$970Kdecrease2026-06-30
Renaissance Technologies LLC167,700$959Kdecrease2026-06-30

OptimizeRx's latest quarter

OptimizeRx, Q2 2026: revenue $20.5M (-30% year over year), operating margin -0.4%, net loss $703K, operating cash flow $8.6M. The chart follows the revenue to costs, profit and cash.

Questions

Who owns the most OPRX stock?

By the latest 13F filings: Vanguard Group ($13.9M); Whetstone Capital Advisors, LLC ($8.6M); Royce & Associates LP ($6.2M); Vanguard Capital Management LLC ($4.0M); Kennedy Capital Management LLC ($3.7M).

What is the short interest in OPRX?

1,078,297 shares were sold short at the 2026-10-15 settlement, -3.39% of the float.

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Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.