OPRX · OptimizeRx Corp · Holdings

$8.61 +0.04 (+0.41%)

Customer concentration — top 5 customers 47% of revenue

5 customers — 47% of revenue (the year ended December 31, 2025)

“Our top five customers represented approximately 47% and 49% of our revenue for the years ended December 31, 2025 and 2024, respectively.”

One customer — 10% of revenue (fiscal 2025)

“one customer that accounted for approximately 10% of total revenue in fiscal 2025 did not generate revenue during the current period, and future revenue from this customer is uncertain.”

3 customers — 10% of revenue (2025)

“In 2025 and 2024, we had three customers and two customers, respectively, that represented more than 10% of our revenues.”

5 customers — 49% of revenue (the year ended December 31, 2024)

“Our top five customers represented approximately 47% and 49% of our revenue for the years ended December 31, 2025 and 2024, respectively.”

2 customers — 10% of revenue (2024)

“In 2025 and 2024, we had three customers and two customers, respectively, that represented more than 10% of our revenues.”

View the 10-Q filed Aug 13, 2026

Market Cap

$151.44M

18.84M

Volume · Oct 5 50.82K Avg daily vol (3M) 216.21K

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Use institutional holdings through the 13F API or MCP →

Some SEC filings for this period have not finished importing. Holder totals and changes may be incomplete; these filings remain queued for recovery.

The Sep 30, 2026 filing window is still open — showing the latest known positions. Funds that have not filed yet carry their prior-quarter positions; a fund that filed without this stock counts as sold out. Each fund's Change is measured against its own previous reported quarter, shown in the Reported column. Pick a completed quarter in the Quarter selector below to put every fund on one quarter and see the stock-wide activity breakdown.

Quarter:

Holders: 112

Total Value: $64,947,725

Total Shares: 11,354,021

Showing 1–100 of 116 holdings by value · page 1 of 2

Institutional Ownership Trend

27 quarters

Holder Concentration

Across 112 13F filers

Top Holder

13.3%

of institutional value

Top 5

40.3%

of institutional value

Top 10

62.0%

of institutional value

HHI

510

Broadly held

Showing 100 of 116

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

Whetstone Capital Advisors, LLC

$8,627,493

13.28%

1,508,303

ROYCE & ASSOCIATES LP

$6,231,356

9.59%

1,089,398

VANGUARD CAPITAL MANAGEMENT LLC

$4,001,734

6.16%

699,604

KENNEDY CAPITAL MANAGEMENT LLC

$3,684,538

5.67%

644,150

RICE HALL JAMES & ASSOCIATES, LLC

$3,625,576

5.58%

633,842

BLAIR WILLIAM & CO/IL

$3,477,331

5.35%

607,925

AQR CAPITAL MANAGEMENT LLC

$3,340,225

5.14%

583,956

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
KEB ASSET MANAGEMENT, LLC	16	$91	0.0%	Other
RF&L WEALTH MANAGEMENT, LLC	8	$45	0.0%	Other
Arax Advisory Partners	2,234	$12,778	0.4%	Other
HALBERT HARGROVE GLOBAL ADVISORS, LLC	782	$4,473	0.1%	Other
Stokes Family Office, LLC	176	$1,006	0.0%	Other
Held directly	580,740	$3,321,832	99.4%	Defined

DIMENSIONAL FUND ADVISORS LP

$2,732,368

4.21%

477,687

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Dimensional Fund Advisors Ltd.	3,143	$17,977	0.7%	Defined
DFA Australia Ltd.	4,075	$23,309	0.9%	Defined
Dimensional Ireland Ltd	18,881	$107,999	4.0%	Defined
Held directly	451,588	$2,583,083	94.5%	Sole

BlackRock, Inc.

$2,547,582

3.92%

445,382

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BLACKROCK FINANCIAL MANAGEMENT INC/DE	54,956	$314,348	12.3%	Sole
BlackRock Investment Management, LLC	3,822	$21,861	0.9%	Sole
BlackRock Fund Advisors	100,688	$575,935	22.6%	Sole
BlackRock Institutional Trust Company, N.A.	285,511	$1,633,122	64.1%	Sole
Aperio Group, LLC	405	$2,316	0.1%	Sole

Parkman Healthcare Partners LLC

$2,003,984

3.09%

350,347

Bullseye Asset Management LLC

$1,477,538

2.27%

258,311

AWM Investment Company, Inc.

$1,375,208

2.12%

240,421

GEODE CAPITAL MANAGEMENT, LLC

$1,186,012

1.83%

207,345

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GEODE CAPITAL MANAGEMENT TRUST COMPANY, LLC	37,144	$212,463	17.9%	Defined
Held directly	170,201	$973,549	82.1%	Defined

VANGUARD PORTFOLIO MANAGEMENT LLC

$969,757

1.49%

169,538

RENAISSANCE TECHNOLOGIES LLC

$959,244

1.48%

167,700

MARSHALL WACE, LLP

$927,703

1.43%

162,186

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Marshall Wace North America L.P. joint	162,186	$927,703	100.0%	Other

P.A.W. CAPITAL CORP

$915,200

1.41%

160,000

CITADEL ADVISORS LLC

$903,713

1.39%

157,992

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	45,305	$259,144	28.7%	Defined
Held directly	112,687	$644,569	71.3%	Defined

MORGAN STANLEY

$894,113

1.38%

156,314

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MORGAN STANLEY & CO INTERNATIONAL PLC	1,134	$6,486	0.7%	Defined
MORGAN STANLEY & CO. LLC	349	$1,996	0.2%	Defined
MORGAN STANLEY CAPITAL SERVICES, LLC	143,737	$822,175	92.0%	Defined
MORGAN STANLEY SMITH BARNEY LLC	1,783	$10,198	1.1%	Defined
PARAMETRIC PORTFOLIO ASSOCIATES LLC	9,311	$53,258	6.0%	Defined

Mink Brook Asset Management LLC

$807,864

1.24%

141,235

D. E. Shaw & Co., Inc.

$789,840

1.22%

138,084

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
D. E. SHAW & CO, L.P.	138,084	$789,840	100.0%	Defined

Janney Montgomery Scott LLC

$777,742

1.20%

135,969

JANE STREET GROUP, LLC

$698,331

1.08%

122,086

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	79	$451	0.1%	Defined
Jane Street Global Trading, LLC	122,007	$697,880	99.9%	Defined

GOLDMAN SACHS GROUP INC

$600,811

0.93%

105,037

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GOLDMAN SACHS & CO. LLC	86,225	$493,207	82.1%	Defined
GOLDMAN SACHS ASSET MANAGEMENT, L.P.	18,812	$107,604	17.9%	Defined

Quantinno Capital Management LP

$566,989

0.87%

99,124

VANGUARD FIDUCIARY TRUST CO

$560,554

0.86%

97,999

Trexquant Investment LP

$512,889

0.79%

89,666

CREDIT AGRICOLE S A

$510,224

0.79%

89,200

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Credit Agricole Corporate & Investment Bank joint	89,200	$510,224	100.0%	Defined

STATE STREET CORP

$461,043

0.71%

80,602

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SSGA FUNDS MANAGEMENT, INC. joint	80,602	$461,043	100.0%	Defined

MILLENNIUM MANAGEMENT LLC

$450,684

0.69%

78,791

AVENIR CORP

$422,479

0.65%

73,860

Man Group plc

$413,824

0.64%

72,347

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Numeric Investors LLC	72,347	$413,824	100.0%	Defined

PRINCIPAL FINANCIAL GROUP INC

$389,755

0.60%

68,139

Qube Research & Technologies Ltd

$384,772

0.59%

67,268

Bank of New York Mellon Corp

$370,122

0.57%

64,707

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Mellon Investments Corporation	13,600	$77,792	21.0%	Defined
The Bank of New York Mellon	1,681	$9,615	2.6%	Defined
BNY Mellon, NA joint	2,480	$14,185	3.8%	Defined
Newton Investment Management North America, LLC	46,943	$268,513	72.5%	Defined
Held directly	3	$17	0.0%	Defined

HSBC HOLDINGS PLC

$337,188

0.52%

58,949

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
HSBC BANK PLC	58,949	$337,188	100.0%	Defined

Point72 Asset Management, L.P.

$318,140

0.49%

55,619

UBS Group AG

$317,596

0.49%

55,524

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS Financial Services Inc	4,840	$27,684	8.7%	Defined
UBS AG	50,684	$289,912	91.3%	Defined

Jain Global LLC

$295,621

0.46%

51,682

Campbell & CO Investment Adviser LLC

$292,463

0.45%

51,130

XTX Topco Ltd

$265,962

0.41%

46,497

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
XTX EXECUTION SERVICES LLC joint	46,497	$265,962	100.0%	Defined

Squarepoint Ops LLC

$257,766

0.40%

45,064

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Squarepoint Capital LLP	45,064	$257,766	100.0%	Defined

SEI INVESTMENTS CO

$236,945

0.36%

41,424

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SEI TRUST CO	41,424	$236,945	100.0%	Sole

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$223,097

0.34%

39,003

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	39,003	$223,097	100.0%	Other

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$218,504

0.34%

38,200

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	38,200	$218,504	100.0%	Other

JANE STREET GROUP, LLC

$216,788

0.33%

37,900

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	37,900	$216,788	100.0%	Defined

NORTHERN TRUST CORP

$211,639

0.33%

37,000

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
NORTHERN TRUST CO joint	37,000	$211,639	100.0%	Defined

HRT FINANCIAL LP

$204,181

0.31%

35,696

CITADEL ADVISORS LLC

$184,184

0.28%

32,200

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	32,200	$184,184	100.0%	Defined

Samjo Management, LLC

$183,040

0.28%

32,000

BANK OF AMERICA CORP /DE/

$151,866

0.23%

26,550

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BANK OF AMERICA NA	26,550	$151,866	100.0%	Defined

Quadrature Capital Ltd

$146,677

0.23%

25,643

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Quadrature US Inc.	25,643	$146,677	100.0%	Other

FRANKLIN RESOURCES INC

$143,885

0.22%

25,155

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
FRANKLIN ADVISERS INC	23,683	$135,466	94.1%	Defined
FRANKLIN ADVISORY SERVICES LLC	1,472	$8,419	5.9%	Defined

9823 Capital, L.P.

$140,660

0.22%

24,591

CITADEL ADVISORS LLC

$136,136

0.21%

23,800

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	23,800	$136,136	100.0%	Defined

FMR LLC

$133,727

0.21%

23,379

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Fidelity Management & Research Co LLC	23,351	$133,567	99.9%	Defined
STRATEGIC ADVISERS LLC	28	$160	0.1%	Defined

Hillsdale Investment Management Inc.

$116,116

0.18%

20,300

CANADA PENSION PLAN INVESTMENT BOARD

$110,396

0.17%

19,300

Engineers Gate Manager LP

$100,374

0.15%

17,548

Centiva Capital, LP

$97,257

0.15%

17,003

McAdam, LLC

$94,711

0.15%

16,558

IEQ CAPITAL, LLC

$87,172

0.13%

15,240

BARCLAYS PLC

$85,713

0.13%

14,985

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BARCLAYS BANK PLC	13,830	$79,107	92.3%	Defined
BARCLAYS CAPITAL INC.	1,155	$6,606	7.7%	Defined

PERKINS CAPITAL MANAGEMENT INC

$84,701

0.13%

14,808

Schonfeld Strategic Advisors LLC

$81,378

0.13%

14,227

MERCER GLOBAL ADVISORS INC /ADV

$79,467

0.12%

13,893

Corient Private Wealth LLC

$76,567

0.12%

13,386

PharVision Advisers, LLC

$73,810

0.11%

12,904

ACADIAN ASSET MANAGEMENT LLC

$73,519

0.11%

12,853

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Acadian Inc	12,853	$73,519	100.0%	Defined

WEALTH ENHANCEMENT ADVISORY SERVICES, LLC

$70,373

0.11%

12,303

WELLS FARGO & COMPANY/MN

$66,700

0.10%

11,661

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
WELLS FARGO CLEARING SERVICES, LLC	11,661	$66,700	100.0%	Defined

STATE OF WISCONSIN INVESTMENT BOARD

$65,173

0.10%

11,394

Mariner, LLC

$58,567

0.09%

10,239

State of Alaska, Department of Revenue

$57,583

0.09%

10,067

RHUMBLINE ADVISERS

$45,845

0.07%

8,015

CITIGROUP INC

$44,850

0.07%

7,841

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citigroup Financial Products Inc. joint	7,841	$44,850	100.0%	Defined

Vanguard Global Advisers, LLC

$39,450

0.06%

6,897

Arax Advisory Partners

$12,789

0.02%

2,236

PNC FINANCIAL SERVICES GROUP, INC.

$11,617

0.02%

2,031

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
PNC Bank, National Association	2,031	$11,617	100.0%	Defined

Avalon Trust Co

$11,440

0.02%

2,000

HUNTINGTON NATIONAL BANK

$10,170

0.02%

1,778

Versant Capital Management, Inc

$8,859

0.01%

1,061

BARD ASSOCIATES INC

$8,465

0.01%

1,480

OSAIC HOLDINGS, INC.

$6,652

0.01%

1,163

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
OSAIC WEALTH, INC.	1,163	$6,652	100.0%	Defined

Steward Partners Investment Advisory, LLC

$5,720

0.01%

1,000

UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC

$5,376

0.01%

940

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS Group AG	940	$5,376	100.0%	Defined

GAMMA Investing LLC

$5,205

0.01%

910

Russell Investments Group, Ltd.

$5,062

0.01%

885

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Russell Investment Management, LLC	885	$5,062	100.0%	Defined

AdvisorNet Financial, Inc

$3,432

0.01%

600

IFP Advisors, Inc

$3,186

0.00%

557

EverSource Wealth Advisors, LLC

$2,509

0.00%

439

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BMSS Wesson Wealth Solutions, LLC	32	$182	7.3%	Sole
Held directly	407	$2,327	92.7%	Sole

Compagnie Lombard Odier SCmA

$2,345

0.00%

410

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Bank Lombard Odier & Co Ltd	410	$2,345	100.0%	Defined

Allworth Financial LP

$2,225

0.00%

389

Global Retirement Partners, LLC

$2,127

0.00%

372

SBI Securities Co., Ltd.

$2,076

0.00%

363

NISA INVESTMENT ADVISORS, LLC

$1,733

0.00%

303

Bogart Wealth, LLC

$1,630

0.00%

285

ROYAL BANK OF CANADA

$1,561

0.00%

273

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
RBC Capital Markets, LLC	250	$1,430	91.6%	Defined
Held directly	23	$131	8.4%	Sole

ROTHSCHILD INVESTMENT LLC

$1,458

0.00%

255

JPMORGAN CHASE & CO

$1,206

0.00%

211

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
J.P. Morgan Securities LLC	1	$5	0.4%	Defined
J.P. Morgan Securities plc	210	$1,201	99.6%	Defined

Key facts CIK 1448431 CUSIP 68401U204 13F (30d) 2 filings 2 filers Visit website Investor relations