Optimizerx Corp

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Optimizerx Corp
TickerOPRX
CIK #0001448431
CUSIP68401U105
SectorTrade & Services - Services-Business Services, Nec
Address407 Sixth Street, Rochester, MI 48307
Source [EDGAR]
CIK Filing 2011 - 2024
[0001448431] 10-K
[0001448431] 10-Q
[0001448431] 3
[0001448431] 4
[0001448431] 8-K
[0001448431] D
[0001448431] SC 13D
[0001448431] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
First Light Asset Management LLC Optimizerx Corp [2023-06-09] 10.28
Vanguard Group Inc Optimizerx Corp [2022-02-10] 6.09
Poppel Harvey L Optimizerx Corp [2021-03-17] 4.6
Blair William & Co/IL Optimizerx Corp [2021-02-11] 5.2
Poppel Harvey L Optimizerx Corp [2021-01-12] 5.76
Avenir Corp Optimizerx Corp [2020-02-27] 5.06
BlackRock Inc Optimizerx Corp [2020-02-07] 6.6
Poppel Harvey L Optimizerx Corp [2020-01-13] 7.3
Poppel Harvey L Optimizerx Corp [2019-01-10] 8.26
AWM Investment Company Inc Optimizerx Corp [2018-06-08] 11.8
Park West Asset Management LLC Optimizerx Corp [2018-05-14] 5.9
Poppel Harvey L Optimizerx Corp [2018-01-08] 0.27
Poppel Harvey L Optimizerx Corp [2016-01-13] 7.34
WPP PLC Optimizerx Corp [2015-10-02] 20.8
CHEZ Ronald L Optimizerx Corp [2015-02-05] 6.8
Poppel Harvey L Optimizerx Corp [2015-01-12] 8.96
Goldman Capital Management Inc Optimizerx Corp [2014-10-24] 6.5
Poppel Harvey L Optimizerx Corp [2014-04-29] 5.42
Wolverine Asset Management LLC Optimizerx Corp [2014-03-21] 0.0
Radoff Bradley Louis Optimizerx Corp [2014-03-20] 13.9
Vicis Capital LLC Optimizerx Corp [2012-01-24] 6.3
Form 3/4/5 Filer 2011 - 2024
Febbo William J
OptimizeRx Corp
Lang James Paul
Halas GUS D
Vos Ellen O'Connor
Wasson Gregory D
Spangler Patrick D
Stelmakh Edward
Silvestro Stephen L
Odence-Ford Marion
Inman Todd
Besch Doug
Paramore Miriam J
Baker Douglas P
AWM Investment Company, Inc.
Hamilton Terrence
WPP plc
WPP Luxembourg Gamma Three S.a.r.l.
Archambault Bryan
Pinney Jack T
Harrell David
Dillon Brian J
Brooks James M
Radoff Bradley Louis
Lester David
Stastney Shadron L.
Form 13F Holdings
Firm Period DFND Voting Shares
BlackRock Inc. [2023-03-31] SOLE 1,034,726.0 1,041,738.0
First Light Asset Management LLC [2023-03-31] SOLE 1,010,931.0 1,010,931.0
Blair William & Co/IL [2023-03-31] SOLE 780,122.0 843,412.0
Vanguard Group Inc [2023-03-31] SOLE 0.0 835,801.0
G2 Investment Partners Management LLC [2023-03-31] SOLE 536,409.0 536,409.0
Casdin Capital LLC [2023-03-31] SOLE 500,000.0 500,000.0
Point72 Asset Management LP [2023-03-31] DFND 0.0 476,192.0
D. E. Shaw & Co., Inc. [2023-03-31] DFND 466,805.0 471,232.0
Wasatch Advisors LP [2023-03-31] SOLE 432,625.0 469,201.0
State Street Corp [2023-03-31] DFND 397,648.0 422,902.0
Avenir Corp [2023-03-31] SOLE 414,573.0 414,573.0
AWM Investment Company Inc [2023-03-31] SOLE 398,243.0 398,243.0
Susquehanna International Group LLP [2023-03-31] DFND 201,916.0 379,116.0
Citadel Advisors LLC [2023-03-31] DFND 368,685.0 368,685.0
Rice Hall James & Associates LLC [2023-03-31] SOLE 334,013.0 363,291.0
Federated Hermes Inc [2023-03-31] DFND 355,829.0 355,829.0
Kornitzer Capital Management Inc /KS [2023-03-31] SOLE 352,994.0 352,994.0
Millennium Management LLC [2023-03-31] SOLE 330,363.0 330,363.0
Geode Capital Management LLC [2023-03-31] DFND 323,590.0 323,590.0
Credit Suisse AG [2023-03-31] DFND 317,996.0 320,496.0
Jacob Asset Management of New York LLC [2023-03-31] SOLE 284,470.0 284,470.0
Two Sigma Advisers LP [2023-03-31] SOLE 172,700.0 191,500.0
Renaissance Technologies LLC [2023-03-31] SOLE 140,808.0 184,400.0
HRT Financial LP [2023-03-31] DFND 171,079.0 171,079.0
Dimensional Fund Advisors LP [2023-03-31] SOLE 151,143.0 167,016.0
PEAK6 Investments LLC [2023-03-31] DFND 160,871.0 160,871.0
Northern Trust Corp [2023-03-31] DFND 5,198.0 156,811.0
JPMorgan Chase & Co [2023-03-31] DFND 111,015.0 140,978.0
Morgan Stanley [2023-03-31] DFND 125,492.0 127,337.0
Jane Street Group LLC [2023-03-31] DFND 126,652.0 126,652.0
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