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CenterBook Partners’s OptimizeRx OPRX Stock Holding History

CenterBook Partners’s Portfolio OPRX Stock Details OPRX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-25,224
Closed -$309K – 740
2025
Q4 		$309K Sell
25,224
-283,585
-92% -$4.63M 0.02% 523
2025
Q3 		$6.33M Buy
+308,809
New +$4.9M 0.31% 77

Other funds holding OPRX

WCA
Whetstone Capital Advisors Shawnee Mission, Kansas $288M AUM 44.06% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
RA
Royce & Associates New York $10.1B AUM 42.88% 1-Year Est. Return
PHP
Parkman Healthcare Partners Stamford, Connecticut $970M AUM 79.46% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
KCM
Kennedy Capital Management St Louis, Missouri $4.72B AUM 36.69% 1-Year Est. Return
William Blair & Company
William Blair & Company Chicago, Illinois $34.9B AUM 18.88% 1-Year Est. Return
RHJA
Rice Hall James & Associates San Diego, California $1.8B AUM 36.16% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

CenterBook Partners's OPRX Position: Q1 2026 in Review

CenterBook Partners sold out of OptimizeRx (OPRX) in Q1 2026, closing a stake of 25,224 shares — an estimated $309K sold.

CenterBook Partners first reported a position in OPRX in Q3 2025 and held it in 2 quarters. The position peaked at $6.33M in Q3 2025. 127 funds tracked by Wall St. Rank hold OPRX as of Q1 2026.

  • CenterBook Partners reported no remaining OptimizeRx position as of Q1 2026 after selling out during the quarter.
  • CenterBook Partners sold 25,224 OptimizeRx shares in Q1 2026, an estimated $309K.
  • CenterBook Partners first reported a position in OptimizeRx in Q3 2025 and held it in 2 quarters.
  • CenterBook Partners's OptimizeRx position peaked at $6.33M in Q3 2025.
  • 127 funds tracked by Wall St. Rank held OptimizeRx as of Q1 2026.

Based on CenterBook Partners's 13F filing for Q1 2026, filed 5 May 2026.