OptimizerxOPRX

13F holders, Q4 2024 (December 31)
87holders +2
17new positions
17sold out
2famous investors
$4.86avg. 13F price*

At the end of Q4 2024, 87 institutions reported holding Optimizerx Corp. (OPRX) in their 13F filings, up 2 from Q3 2024. 17 opened new positions and 17 sold out. The largest holders were Whetstone Capital Advisors, LLC ($6.6M), BlackRock, Inc. ($6.5M) and Royce & Associates LP ($5.2M). 2 famous investors held it, including David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).

Company
Optimizerx Corp.
CUSIP
68401U204
Latest filing quarter
Q2 2026

History

Number of 13F holders

050100150 Q1 2024: 97Q1 2024Q2 2024: 92Q2 2024Q3 2024: 85Q3 2024Q4 2024: 87Q4 2024Q1 2025: 87Q1 2025Q2 2025: 110Q2 2025Q3 2025: 125Q3 2025Q4 2025: 129Q4 2025Q1 2026: 128Q1 2026Q2 2026: 112Q2 2026

Total Exit/New Position Q3 2024 → Q4 2024

InstitutionsTotal Value
New Positions17$15.6M
Exits17$28.9M

All 13F filers, Q3 2024 → Q4 2024: 3,981,948 shares bought and 4,994,692 shares sold, net −1,012,744 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 87 holders

Whetstone Capital Advisors, LLC 2.50% New 1,350,423 $6.6M
BlackRock, Inc. 0.00% Add +4.8% 1,335,498 $6.5M
Royce & Associates LP 0.05% New 1,069,560 $5.2M
Vanguard Group Inc. 0.00% Reduce -1.8% 935,557 $4.5M
Blair William & Co. 0.01% Reduce -11.2% 601,383 $2.9M
Kennedy Capital Management LLC 0.06% Add +57.8% 594,000 $2.9M
Rice Hall James & Associates, LLC 0.15% Reduce -6.1% 577,738 $2.8M
Dimensional Fund Advisors LP 0.00% Add +9.8% 444,167 $2.2M
Geode Capital Management, LLC 0.00% Add +1.2% 400,621 $1.9M
State Street Corp. 0.00% Add +1.9% 356,863 $1.7M
D. E. Shaw & Co. 0.00% Add +12.2% 295,717 $1.4M
Tang Capital Management LLC 0.07% New 221,200 $1.1M
AWM Investment Company, Inc. 0.13% Reduce -79.9% 215,421 $1.0M
Morgan Stanley 0.00% Add +35.3% 202,605 $985K
Bullseye Asset Management LLC 0.46% Reduce -5.8% 201,527 $980K
Northern Trust Corp. 0.00% Add +3.3% 189,044 $919K
Bridgeway Capital Management, LLC 0.02% No change 154,100 $749K
Walleye Capital LLC 0.01% New 138,575 $673K
Marshall Wace, LLP 0.00% New 134,446 $653K
G2 Investment Partners Management LLC 0.17% Reduce -45.0% 133,167 $647K
AMH Equity Ltd 0.62% Add +25.0% 125,000 $608K
Perkins Capital Management Inc. 0.46% Add +4.4% 105,813 $514K
Manatuck Hill Partners, LLC 0.20% New 100,000 $486K
Credit Agricole S A 0.00% No change 89,200 $434K
Greenwood Capital Associates LLC 0.06% Add +31.5% 88,596 $431K
Bank of New York Mellon Corp 0.00% Reduce -8.8% 87,712 $426K
Janney Montgomery Scott LLC 0.00% Reduce -19.2% 84,782 $412K
Avenir Corp. 0.04% Reduce -12.5% 77,260 $375K
Bank of America Corp. 0.00% Add +54.5% 73,934 $359K
Jane Street Group, LLC 0.00% Add +234.7% 72,454 $352K
Goldman Sachs Group Inc. 0.00% Add +89.7% 63,023 $306K
JPMorgan Chase & Co. 0.00% Add +670.3% 59,952 $291K
Connors Investor Services Inc. 0.03% Add +170.6% 59,000 $287K
Nuveen Asset Management, LLC 0.00% No change 52,563 $255K
Susquehanna International Group, LLP 0.00% New 45,694 $222K
Squarepoint Ops LLC 0.00% Add +298.8% 41,712 $203K
Charles Schwab Investment Management Inc. 0.00% Reduce -14.2% 41,552 $202K
Citadel Advisors 0.00% Reduce -45.8% 41,049 $199K
XTX Topco Ltd 0.01% New 36,674 $178K
Campbell & CO Investment Adviser LLC 0.01% Reduce -30.4% 31,211 $152K
Barclays PLC 0.00% Add +13.5% 30,574 $149K
Delta Investment Management, LLC 0.03% New 30,000 $146K
Boothbay Fund Management, LLC 0.00% Reduce -43.5% 28,875 $140K
Alliancebernstein L.P. 0.00% No change 27,050 $131K
UBS Group AG 0.00% Add +218.9% 26,370 $128K
Rhumbline Advisers 0.00% Add +5.2% 25,149 $122K
Royal Bank of Canada 0.00% Reduce -7.0% 23,544 $115K
Corton Capital Inc. 0.06% New 22,610 $110K
BNP Paribas Financial Markets 0.00% Add +504.6% 22,308 $108K
Gsa Capital Partners LLP 0.01% New 20,661 $100K
Simplex Trading, LLC 0.00% Add +478.1% 17,833 $86K
Graham Capital Management, L.P. 0.00% New 16,632 $81K
Worth Venture Partners, LLC 0.73% New 15,327 $74K
American Century Companies Inc. 0.00% Reduce -1.5% 14,396 $70K
Citigroup Inc. 0.00% Add +11.8% 14,171 $69K
Sherbrooke Park Advisers LLC 0.02% Reduce -62.2% 13,643 $66K
Wells Fargo & Company 0.00% Add +33.3% 11,208 $54K
SG Americas Securities, LLC 0.00% New 10,555 $51K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Add +4.7% 10,192 $50K
Deutsche Bank AG 0.00% No change 9,714 $47K
Corebridge Financial, Inc. 0.00% Reduce -7.0% 8,734 $42K
Group One Trading LLC 0.00% Reduce -28.4% 6,244 $30K
MAI Capital Management 0.00% New 5,700 $28K
SBI Securities Co., Ltd. 0.00% — 5,123 $25K
New York State Common Retirement Fund 0.00% No change 5,034 $24K
Police & Firemen's Retirement System of New Jersey 0.00% — 3,532 $17K
FMR LLC 0.00% Add +158.5% 2,466 $12K
Legal & General Group Plc 0.00% No change 2,181 $11K
Avalon Trust Co 0.00% No change 2,000 $10K
Tower Research Capital LLC (TRC) 0.00% Add +102.9% 1,901 $9K
California State Teachers Retirement System 0.00% No change 1,273 $6K
Ameritas Investment Partners, Inc. 0.00% No change 1,258 $6K
Jones Financial Companies LLLP 0.00% No change 760 $4K
Amalgamated Bank 0.00% No change 592 $3K
Cwm, LLC 0.00% Add +4764.3% 681 $3K
Colonial Trust Co / SC 0.00% Add +30.9% 512 $3K
Compagnie Lombard Odier SCmA 0.00% No change 410 $2K
Nisa Investment Advisors, LLC 0.00% Add +369.6% 324 $2K
Versant Capital Management, Inc 0.00% New 234 $1K
Osaic Holdings, Inc. 0.00% Reduce -0.5% 192 $933
Russell Investments Group, Ltd. 0.00% Add +800.0% 180 $875
Arax Advisory Partners 0.00% New 126 $613
HighMark Wealth Management LLC 0.00% No change 100 $486
AdvisorNet Financial, Inc 0.00% No change 100 $486
Sterling Capital Management LLC 0.00% No change 18 $87
Farmers & Merchants Investments Inc. 0.00% No change 12 $58
Householder Group Estate & Retirement Specialist, LLC 0.00% No change 70 $0

"% of holder's portfolio" is OPRX's weight in each manager's 13F, not the share of Optimizerx Corp. the manager owns.