Manatuck Hill Partners’s OptimizeRx OPRX Stock Holding History

Manatuck Hill 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 Q2	–	Sell	-50,000	Closed	-$314K	–	148
2026 Q1	$314K	Sell	50,000 -372,107	-88%	-$3.46M	0.08%	108
2025 Q4	$5.18M	Sell	422,107 -50,200	-11%	-$820K	1.81%	19
2025 Q3	$9.68M	Buy	472,307 +17,307	+4%	+$275K	3.2%	4
2025 Q2	$6.14M	Buy	455,000 +265,000	+139%	+$2.9M	2.31%	11
2025 Q1	$1.65M	Buy	190,000 +90,000	+90%	+$550K	0.76%	42
2024 Q4	$486K	Buy	+100,000	New	+$559K	0.2%	89
2019 Q4	–	Sell	-160,600	Closed	-$2.33M	–	107
2019 Q3	$2.33M	Sell	160,600 -89,100	-36%	-$1.38M	1.28%	26
2019 Q2	$4.04M	Buy	249,700 +74,200	+42%	+$1M	1.89%	17
2019 Q1	$2.23M	Buy	175,500 +25,300	+17%	+$329K	1.06%	30
2018 Q4	$1.65M	Buy	+150,200	New	+$2.22M	0.85%	39

Other funds holding OPRX

WCA

Whetstone Capital Advisors Shawnee Mission, Kansas $380M AUM 20.01% 1-Year Est. Return

Royce & Associates New York $12.4B AUM 64.17% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

KCM

Kennedy Capital Management St Louis, Missouri $5.65B AUM 61.31% 1-Year Est. Return

RHJA

Rice Hall James & Associates San Diego, California $2.05B AUM 43.16% 1-Year Est. Return

William Blair & Company Chicago, Illinois $38.4B AUM 25.71% 1-Year Est. Return

AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

PHP

Parkman Healthcare Partners Stamford, Connecticut $977M AUM 110.37% 1-Year Est. Return

Manatuck Hill Partners's OPRX Position: Q2 2026 in Review

Manatuck Hill Partners sold out of OptimizeRx (OPRX) in Q2 2026, closing a stake of 50,000 shares — an estimated $314K sold.

Manatuck Hill Partners first reported a position in OPRX in Q4 2018 and held it in 10 quarters. The position peaked at $9.68M in Q3 2025. 113 funds tracked by Wall St. Rank hold OPRX as of Q2 2026.

Manatuck Hill Partners reported no remaining OptimizeRx position as of Q2 2026 after selling out during the quarter.
Manatuck Hill Partners sold 50,000 OptimizeRx shares in Q2 2026, an estimated $314K.
Manatuck Hill Partners first reported a position in OptimizeRx in Q4 2018 and held it in 10 quarters.
Manatuck Hill Partners's OptimizeRx position peaked at $9.68M in Q3 2025.
113 funds tracked by Wall St. Rank held OptimizeRx as of Q2 2026.

Based on Manatuck Hill Partners's 13F filing for Q2 2026, filed 14 Aug 2026.