COWEN AND COMPANY, LLC

13F filer, CIK 48966, NEW YORK, NY

COWEN AND COMPANY, LLC reported $1,524,593,366 across 588 holdings for the quarter ended 2023-12-31, in a 13F-HR/A filed 2024-02-12. Its ten largest share positions make up 46.4% of the portfolio.

Filed 2024-02-12 (acceptance time not in the bulk data set), ingested 2026-10-07 18:29:43 UTC13F-HR/A 0001085146-24-001035

Period: 2023-12-31
Reported value: $1.52B
Holdings: 588
Top 10 weight: 46.4%
New: 179
Sold out: 233

Largest buys vs the previous quarter

Security	Shares change	Approx. value
PTCTadded	+2,926,115	$80.6M
COINadded	+206,395	$35.9M
SAGE THERAPEUTICS INCnew	+1,339,971	$29M
IMOnew	+433,016	$24.7M
ANSCUnew	+2,135,000	$21.7M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

Security	Shares change	Approx. value
MSOSexited	-6,139,280	-$48.7M
ARES ACQUISITION CORPORATIONexited	-3,385,401	-$36.4M
PTGXexited	-1,657,551	-$27.6M
HENNESSY CAPITAL INVST CORPexited	-1,501,275	-$17.4M
NABORS ENERGY TRANSITION CORreduced	-1,648,925	-$17.1M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q4 2023

Share positions as resolved from 13F-HR/A 0001085146-24-001035, largest first. % of portfolio is the value over $1,524,593,339, the sum of the share positions whose value is usable for ratios (method).

Security	Shares	Value	% of portfolio	Change	Latest event	Timeline
ClimateRockClimateRock	100,000	$3K	<0.01%	0
PLUTONIAN ACQUISITION CORPPLUTONIAN ACQUISITION CORP	100,100	$2.99K	<0.01%	+300
MNYWWMONEYHERO LIMITED	40,760	$2.86K	<0.01%	new		Timeline
STONEBRIDGE ACQUISITION CORPSTONEBRIDGE ACQUISITION CORP	89,764	$2.76K	<0.01%	-20,846
TLGY ACQUISITION CORPORATIO…TLGY ACQUISITION CORPORATION W	171,711	$2.66K	<0.01%	-70,233
Northern Star Investment Co…Northern Star Investment Corp II	38,000	$2.66K	<0.01%	0
NOVA VISION ACQUISITION CORPNOVA VISION ACQUISITION CORP	175,400	$2.63K	<0.01%	-200
SEP ACQUISITION CORPSEP ACQUISITION CORP	35,000	$2.62K	<0.01%	-113,030
Distoken Acquisition CorpDistoken Acquisition Corp	129,399	$2.59K	<0.01%	-58
EQUITY UNCOVERED AMERICAN C…EQUITY UNCOVERED AMERICAN CALL	139,803	$2.59K	<0.01%	+20,254
ADVENT TECHNOLOGIES HOLDNG IADVENT TECHNOLOGIES HOLDNG I	93,517	$2.56K	<0.01%	new
CORNER GROWTH ACQUISITION COCORNER GROWTH ACQUISITION CO	40,000	$2.48K	<0.01%	-39,661
SMXWWSMX SEC MATTERS PLC	258,760	$2.46K	<0.01%	new		Timeline
COCHWENVOY MEDICAL INC	117,349	$2.35K	<0.01%	new		Timeline
AMERICAN ONCOLOGY NETWORK INAMERICAN ONCOLOGY NETWORK IN	10,100	$2.32K	<0.01%	0
Goal Acquisitions CorpGoal Acquisitions Corp	600,036	$2.22K	<0.01%	+499,195
BROOGE ENERGY LTDBROOGE ENERGY LTD	149,225	$2.21K	<0.01%	new
Thunder Power Holdings IncThunder Power Holdings Inc	181,977	$2.18K	<0.01%	+22,513
Horizon Space Acquisition I…Horizon Space Acquisition I Corp	103,303	$2.07K	<0.01%	-1,747
SPWRWSUNPOWER INC	105,100	$2.04K	<0.01%	new		Timeline
ARBEWARBE ROBOTICS LTD	11,653	$2.04K	<0.01%	0		Timeline
PROJECT ENERGY REIMAGINED ACPROJECT ENERGY REIMAGINED AC	79,411	$1.99K	<0.01%	+19,411
EMCWFEMBRACE CHANGE ACQUISITION COR	149,541	$1.94K	<0.01%	-10,100		Timeline
HORIZON SPACE ACQUSTN I CORPHORIZON SPACE ACQUSTN I CORP	17,648	$1.94K	<0.01%	new
VISION SENSING ACQUISITION CVISION SENSING ACQUISITION C	320,153	$1.92K	<0.01%	+800
ORGNWORIGIN MATERIALS INC	50,100	$1.89K	<0.01%	+100		Timeline
Northern Revival Acquisitio…Northern Revival Acquisition Corp	183,556	$1.87K	<0.01%	+43,725
ATLANTIC COASTAL AQSTN CORPATLANTIC COASTAL AQSTN CORP	89,127	$1.79K	<0.01%	-52,073
WTS/CIIG CAPITAL PARTNERS I…WTS/CIIG CAPITAL PARTNERS II INC …	241,304	$1.78K	<0.01%	+211,304
PONO CAP THREE INCPONO CAP THREE INC	25,300	$1.77K	<0.01%	-100
QUADRO ACQUISITION ONE CORPQUADRO ACQUISITION ONE CORP	99,122	$1.74K	<0.01%	+95
ZALATORIS ACQUISITION CORPZALATORIS ACQUISITION CORP	43,614	$1.73K	<0.01%	-5,986
WTS/BELLEVUE LIFE SCNCS AQS…WTS/BELLEVUE LIFE SCNCS AQSTN CORP	85,750	$1.71K	<0.01%	0
FINTECH ECOSYSTEM DEVEFINTECH ECOSYSTEM DEVE	182,580	$1.7K	<0.01%	+132,580
TWIN RIDGE CAPITAL ACQUISIT…TWIN RIDGE CAPITAL ACQUISITION	30,000	$1.65K	<0.01%	new
SDCL EDGE ACQUISITION CORPSDCL EDGE ACQUISITION CORP	50,000	$1.57K	<0.01%	0
Roth CH Acquisition CoRoth CH Acquisition Co	61,850	$1.55K	<0.01%	+50
SWVLWSWVL HOLDINGS CORP	232,903	$1.54K	<0.01%	+200		Timeline
IRIS ACQUISITION CORPIRIS ACQUISITION CORP	50,000	$1.5K	<0.01%	-4,000
WTS/CLEVER LEAVES HOLDINGS …WTS/CLEVER LEAVES HOLDINGS INC 11…	84,333	$1.49K	<0.01%	new
WTS-LEAFLY HLDGS 4FEB27WTS-LEAFLY HLDGS 4FEB27	94,146	$1.49K	<0.01%	new
SHAPEWAYS HOLDINGS INC 11.5…SHAPEWAYS HOLDINGS INC 11.5000EXP…	474,736	$1.42K	<0.01%	+121,615
SBCWWSBC MED GROUP HLDGS INC	50,000	$1.41K	<0.01%	-10,093		Timeline
COEPWCOEPTIS THERAPEUTICS HLDGS I	45,400	$1.41K	<0.01%	new		Timeline
LIBERTY RES ACQUISITION CORPLIBERTY RES ACQUISITION CORP	280,171	$1.4K	<0.01%	+33,437
ALPHA STAR ACQUISITION CORPALPHA STAR ACQUISITION CORP	13,000	$1.3K	<0.01%	-600
INTEGRATED RAIL AND RE -CW23INTEGRATED RAIL AND RE -CW23	13,000	$1.3K	<0.01%	-29,992
Futuretech II Acquisition C…Futuretech II Acquisition Corp	87,000	$1.3K	<0.01%	+42,537
GLOBAL BLK-CW27 EQUITYGLOBAL BLK-CW27 EQUITY	84,913	$1.27K	<0.01%	-100
OCA ACQUISITION CORPOCA ACQUISITION CORP	20,000	$1.26K	<0.01%	0
KEYARCH ACQUISITION CORPKEYARCH ACQUISITION CORP	19,700	$1.24K	<0.01%	0
ATHENA TECHNOLOGY ACQUISITI…ATHENA TECHNOLOGY ACQUISITION	47,143	$1.18K	<0.01%	-100
COMPASS DIGITAL ACQUISITION…COMPASS DIGITAL ACQUISITION CO	22,833	$1.13K	<0.01%	-9,900
Aura FAT Projects Acquisiti…Aura FAT Projects Acquisition Corp	75,000	$1.12K	<0.01%	-103,630
A SPAC I ACQUISITION CORPA SPAC I ACQUISITION CORP	71,050	$1.06K	<0.01%	-28,950
REVBWREVELATION BIOSCIENCES INC	100,100	$1.06K	<0.01%	0		Timeline
LAKESHORE ACQUISITION II CORLAKESHORE ACQUISITION II COR	101,912	$1.06K	<0.01%	-100
OSIRIS ACQUISITION CORPOSIRIS ACQUISITION CORP	34,500	$1.03K	<0.01%	+100
DP CAP ACQUISITION I CORPDP CAP ACQUISITION I CORP	51,467	$1.03K	<0.01%	-20,300
TNL MediageneTNL Mediagene	51,200	$1.02K	<0.01%	+100
CAREMAX INCCAREMAX INC	135,178	$1.01K	<0.01%	new
PONO CAP -CW22 EQUITYPONO CAP -CW22 EQUITY	70,592	$960	<0.01%	+200
EDOC ACQUISITION CORPEDOC ACQUISITION CORP	72,700	$937	<0.01%	-25,300
MONTEREY CAP ACQUISITION CORMONTEREY CAP ACQUISITION COR	100,000	$900	<0.01%	-65,893
ATMCWALPHATIME ACQUISITION CORP RED	30,000	$888	<0.01%	-13,007		Timeline
NEWCOURT ACQUISITION CORPNEWCOURT ACQUISITION CORP	53,900	$862	<0.01%	-100
GLOBAL STAR ACQUISITION INCGLOBAL STAR ACQUISITION INC	86,055	$860	<0.01%	-14,700
ESLAWESTRELLA IMMUNOPHARMA INC	28,597	$857	<0.01%	new		Timeline
SPECTAIRE HOLDINGS INCSPECTAIRE HOLDINGS INC	141,677	$850	<0.01%	new
INSIGHT ACQUISITION CORPINSIGHT ACQUISITION CORP	19,800	$792	<0.01%	0
ICUCWSEASTAR MEDICAL HOLDING CORP	23,900	$726	<0.01%	-1,000		Timeline
VINTAGE WINE ESTATES INCVINTAGE WINE ESTATES INC	69,724	$718	<0.01%	new
HUBCWHUB CYBER SECURITY LTD	49,456	$692	<0.01%	-344		Timeline
NOCO NOCO INCNOCO NOCO INC	87,909	$624	<0.01%	-100
APX ACQUISITION CORP IAPX ACQUISITION CORP I	11,949	$597	<0.01%	-17,751
Constellation Acquisition C…Constellation Acquisition Corp I	28,900	$549	<0.01%	0
GLOBALINK INVESTMENT -CW23GLOBALINK INVESTMENT -CW23	160,361	$529	<0.01%	+109,245
EXCELFIN ACQUISITION CORPEXCELFIN ACQUISITION CORP	25,947	$526	<0.01%	-2,400
FINNOVATE ACQUISITION CORPFINNOVATE ACQUISITION CORP	75,000	$525	<0.01%	new
MOOLEC SCIENCE SAMOOLEC SCIENCE SA	20,174	$443	<0.01%	-29,826
SRZNWSURROZEN INC	18,190	$352	<0.01%	new		Timeline
PDYNWPALLADYNE AI CORP	59,800	$322	<0.01%	+200		Timeline
KERNEL GROUP HOLDINGS INCKERNEL GROUP HOLDINGS INC	13,020	$276	<0.01%	-6,980
GLOBAL SYSTEMS DYNAMICS INCGLOBAL SYSTEMS DYNAMICS INC	46,782	$219	<0.01%	+300
ACE GLOBAL BUSINESS ACQU LTDACE GLOBAL BUSINESS ACQU LTD	11,584	$199	<0.01%	-23,216
AENTWALLIANCE ENTERTAINMENT HOLDI	25,000	$187	<0.01%	0		Timeline
BANNIX ACQUISITION CORPBANNIX ACQUISITION CORP	10,582	$132	<0.01%	-100
Relativity Acquisition CorpRelativity Acquisition Corp	279,989	$27		0	Value about 1/1,000 of the price other filers imply, kept as filed and left out of ratios.

Sold out in Q4 2023

Positions in the previous quarter's report that this quarter's report no longer lists.

The largest 100 of 233. All 233

Security	Shares before	Value before	Type
MSOSADVISORSHARES TR	6,139,280	$48.7M	shares
ARES ACQUISITION CORPORATIONARES ACQUISITION CORPORATION	3,385,401	$36.4M	shares
PTGXPROTAGONIST THERAPEUTICS INC	1,657,551	$27.6M	shares
HENNESSY CAPITAL INVST CORPHENNESSY CAPITAL INVST CORP	1,501,275	$17.4M	shares
SCPHARMACEUTICALS INCSCPHARMACEUTICALS INC	1,795,647	$12.8M	shares
PEARL HOLDINGS ACQUISITN CORPEARL HOLDINGS ACQUISITN COR	1,113,091	$11.9M	shares
GNKGENCO SHIPPING & TRADING LTD	838,641	$11.7M	shares
CHURCHILL CAPITAL CORP VICHURCHILL CAPITAL CORP VI	987,071	$10.3M	shares
CHURCHILL CAPITAL CORP VCHURCHILL CAPITAL CORP V	888,885	$9.24M	shares
FLDFOLD HLDGS INC	836,369	$8.75M	shares
ENGENE HOLDINGS INC COMENGENE HOLDINGS INC COM	739,320	$8.1M	shares
LIVE OAK CRESTVIEW CLIMATE ALIVE OAK CRESTVIEW CLIMATE A	749,474	$7.74M	shares
BIOPLUS ACQUISITION CORPBIOPLUS ACQUISITION CORP	679,393	$7.36M	shares
ACTVISION BLIZZARD INCACTVISION BLIZZARD INC	64,379	$6.02M	shares
EAGLE NUCLEAR ENERGY CORP C…EAGLE NUCLEAR ENERGY CORP COM	552,725	$5.95M	shares
ODPTHE ODP CORP	126,781	$5.85M	shares
JNJJOHNSON & JOHNSON	37,500	$5.84M	shares
INFINITE ACQUISITION CORPINFINITE ACQUISITION CORP	464,815	$5M	shares
GORES HOLDINGS IX INCGORES HOLDINGS IX INC	463,992	$4.82M	shares
SPYSTATE STR SPDR S&P 500 ETF T	10,600	$4.53M	shares
BLACK MOUNTAIN ACQ CORPBLACK MOUNTAIN ACQ CORP	375,000	$4M	shares
CF ACQUISITION CORP IVCF ACQUISITION CORP IV	360,827	$3.85M	shares
JUNIPER II CORPJUNIPER II CORP	331,347	$3.51M	shares
99 ACQUISITION GROUP INC99 ACQUISITION GROUP INC	326,462	$3.38M	shares
KWEBKRANESHARES TRUST	115,000	$3.15M	shares
GRPNGROUPON INC	201,595	$3.09M	shares
WORLDWIDE WEBB ACQUISITION CWORLDWIDE WEBB ACQUISITION C	265,531	$2.81M	shares
TLTISHARES TR	31,600	$2.8M	shares
NULLNULL	255,283	$2.8M	shares
ACROPOLIS INFRASTRUCTURE ACQACROPOLIS INFRASTRUCTURE ACQ	265,758	$2.73M	shares
KNIGHTSWAN ACQUISITION CORPKNIGHTSWAN ACQUISITION CORP	254,644	$2.68M	shares
LOGISTIC PROPERTIES OF THE …LOGISTIC PROPERTIES OF THE AME US…	251,384	$2.63M	shares
M3 BRIGADE ACQUISITION II COM3 BRIGADE ACQUISITION II CO	251,179	$2.61M	shares
TARO PHARMACEUTICAL INDS LTDTARO PHARMACEUTICAL INDS LTD	69,160	$2.61M	shares
FOREST ROAD ACQUISITION CORFOREST ROAD ACQUISITION COR	232,021	$2.4M	shares
7GC & CO HOLDINGS INC7GC & CO HOLDINGS INC	224,719	$2.38M	shares
HORIZON SPACE ACQUSTN I CORPHORIZON SPACE ACQUSTN I CORP	203,217	$2.15M	shares
QUANTUM FINTECH ACQUISTIN COQUANTUM FINTECH ACQUISTIN CO	201,409	$2.15M	shares
SPREE ACQUISITION CORP 1 LTDSPREE ACQUISITION CORP 1 LTD	192,900	$2.11M	shares
DVNDEVON ENERGY CORP NEW	42,684	$2.04M	shares
ACIALBERTSONS COMPANIES INC	79,200	$1.8M	shares
NABORS ENERGY TRANSITION CORNABORS ENERGY TRANSITION COR	150,894	$1.64M	shares
IVCBFINVEST ACQUISITION CORP	149,288	$1.62M	shares
TWIN RIDGE CAPITAL ACQUIS COTWIN RIDGE CAPITAL ACQUIS CO	154,735	$1.58M	shares
ISRLFISRAEL ACQUISITIONS CORP CL A	139,634	$1.47M	shares
SCHMID GROUP N.V. EURO SHS …SCHMID GROUP N.V. EURO SHS CL A	133,481	$1.46M	shares
APOLLO STRATEGIC GRWT CPTL IAPOLLO STRATEGIC GRWT CPTL I	138,750	$1.46M	shares
NEWBURY STREET ACQUISITN CORNEWBURY STREET ACQUISITN COR	135,000	$1.42M	shares
INVESTCORP AI ACQUISITION COINVESTCORP AI ACQUISITION CO	123,686	$1.34M	shares
Rithm Property Trust IncRithm Property Trust Inc	203,319	$1.31M	shares
OPY ACQUISITION CORP IOPY ACQUISITION CORP I	120,990	$1.26M	shares
CLEAN EARTH ACQUISITIONS CORCLEAN EARTH ACQUISITIONS COR	108,483	$1.15M	shares
ALPHAVEST ACQUISITION CORPALPHAVEST ACQUISITION CORP	108,410	$1.15M	shares
JNJJOHNSON & JOHNSON	126,000	$1.07M	put
OCA ACQUISITION CORPOCA ACQUISITION CORP	100,000	$1.06M	shares
LAMF GLOBAL VENTURES CORP ILAMF GLOBAL VENTURES CORP I	98,796	$1.06M	shares
BLEUACACIA LTDBLEUACACIA LTD	100,000	$1.05M	shares
DISTOKEN ACQUISITION CORPDISTOKEN ACQUISITION CORP	98,669	$1.04M	shares
CUKCARNIVAL PLC	80,529	$986K	shares
TRIUMPH GROUP INC NEWTRIUMPH GROUP INC NEW	115,000	$881K	shares
RCF ACQUISITION CORPRCF ACQUISITION CORP	79,616	$871K	shares
HOME PLATE ACQUISITION CORPHOME PLATE ACQUISITION CORP	74,760	$817K	shares
LF CAPITAL ACQUISITION CORPLF CAPITAL ACQUISITION CORP	74,996	$814K	shares
METAL SKY STAR ACQUISITION CMETAL SKY STAR ACQUISITION C	71,373	$777K	shares
TSEMTOWER SEMICONDUCTOR LTD	26,814	$659K	shares
EUENCORE ENERGY CORP	200,000	$658K	shares
LIBERTY MEDIA CORP DEL COM …LIBERTY MEDIA CORP DEL COM LBTY S…	25,000	$636K	shares
BRIDGETOWN HOLDINGS LTDBRIDGETOWN HOLDINGS LTD	58,161	$603K	shares
EG ACQUISITION CORPEG ACQUISITION CORP	56,244	$600K	shares
BLUESCAPE OPPORTUNITIES ACQUBLUESCAPE OPPORTUNITIES ACQU	58,941	$591K	shares
VALWSVALARIS LTD	40,463	$590K	shares
SHUAA PARTNERS ACQUISTN CORPSHUAA PARTNERS ACQUISTN CORP	50,997	$566K	shares
TLTISHARES TR	98,900	$549K	put
KWEBKRANESHARES TRUST	175,000	$534K	put
INSPINSPIRE MED SYS INC	2,600	$516K	shares
SPYSTATE STR SPDR S&P 500 ETF T	71,900	$483K	put
GLOBALSTAR INCGLOBALSTAR INC	350,000	$458K	shares
QQQINVESCO QQQ TR	53,700	$449K	put
CACTUS ACQUISITION CORP 1 LTCACTUS ACQUISITION CORP 1 LT	39,133	$432K	shares
BTUPEABODY ENGR CORP	275,400	$428K	call
TWELVE SEAS INVESTMENT CO IITWELVE SEAS INVESTMENT CO II	40,385	$421K	shares
EEMISHARES TR	10,500	$398K	shares
DMYYDMY SQUARED TECHNOLOGY GROUP I	35,398	$370K	shares
EMBISHARES TR	4,298	$355K	shares
LEO HLDGS CORP IILEO HLDGS CORP II	31,545	$348K	shares
SOFISOFI TECHNOLOGIES INC	41,400	$331K	shares
BTUPEABODY ENGR CORP	12,500	$325K	shares
PNSTQPINSTRIPES HOLDINGS, INC CL A	29,233	$308K	shares
DENALI CAPITAL ACQUISITN CORDENALI CAPITAL ACQUISITN COR	27,793	$304K	shares
IWMISHARES TR	1,250	$221K	shares
KEEN VISION ACQUISITION CORPKEEN VISION ACQUISITION CORP	20,200	$207K	shares
LUCID GROUP INCLUCID GROUP INC	5,100	$201K	put
QQQINVESCO QQQ TR	550	$197K	shares
CLEAN EARTH ACQUISITIONS CORCLEAN EARTH ACQUISITIONS COR	1,147,213	$150K	shares
OTONOMO TECHNOLOGIES LTDOTONOMO TECHNOLOGIES LTD	36,746	$147K	shares
JAGUAR GLOBAL GROWTH CORP IJAGUAR GLOBAL GROWTH CORP I	702,197	$143K	shares
TGTTARGET CORP	27,500	$142K	put
TGTTARGET CORP	1,250	$138K	shares
CDAQFCOMPASS DIGITAL ACQ.CORP ORD S	12,595	$133K	shares
ALPHAVEST ACQUISITION CORPALPHAVEST ACQUISITION CORP	11,934	$129K	shares

How Q4 2023 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

Filing	Role	Amendment	Filed	Accepted	Ingested
13F-HR 0001085146-24-000862	superseded		2024-02-08	acceptance time not in the bulk data set	2026-10-07 18:29:43 UTC
13F-HR/A 0001085146-24-001035	base	restatement	2024-02-12	acceptance time not in the bulk data set	2026-10-07 18:29:43 UTC