DIADEMA PARTNERS LP

Name: DIADEMA PARTNERS LP: Form 13F holdings for the quarter ended 2026-06-30
Creator: Listed

An institutional investment manager in MORRISTOWN, NJ. Its Form 13F for the quarter ended Jun 30, 2026, filed Aug 14, 2026. SEC CIK 2026172.

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Reported value$791.3m
Positions149

Holdings: 149 positions

The filing on sec.gov

As filed, largest first. Reported value is what the manager stated for each position at the quarter end, in US dollars; it is filing data, not a price. Weight is the position's share of the total reported value. Changes compare with the 13F for the quarter ended 2026-03-31.

DIADEMA PARTNERS LP, holdings
Issuer	Class	CUSIP	Reported value$m	Weight	Shares	Put or call	Change on the quarter before
Viking Therapeutics IncVKTX	COM	92686J106	47.6	6.0%	1,220,800	Call	Added+561,600
Abivax SAABVX	SPONSORED ADS	00370M103	46.5	5.9%	349,200	Call	Added+249,200
Bristol-Myers Squibb CoBMY	COM	110122108	34.6	4.4%	600,000	Call	New+600,000
Abivax SAABVX	SPONSORED ADS	00370M103	33.6	4.3%	252,400	Put	Added+152,400
United Therapeutics Corp DelUTHR	COM	91307C102	28.7	3.6%	52,989		Added+25,686
Revolution Medicines IncRVMD	COM	76155X100	26.1	3.3%	139,218		Added+58,346
Abivax SAABVX	SPONSORED ADS	00370M103	21.6	2.7%	163,644		Added+87,700
Cogent Biosciences IncCOGT	COM	19240Q201	19.1	2.4%	493,664		Added+170,900
Bristol-Myers Squibb CoBMY	COM	110122108	19.0	2.4%	330,600	Put	New+330,600
Bridgebio Pharma Inc	NOTE 1.750% 3/0	10806XAJ1	18.6	2.4%	$250,000 principal		New+250,000
Corcept Therapeutics IncCORT	COM	218352102	17.9	2.3%	206,300	Call	Added+47,800
Biomarin Pharmaceutical IncBMRN	COM	09061G101	17.9	2.3%	312,846		Added+164,617
Viking Therapeutics IncVKTX	COM	92686J106	17.2	2.2%	441,808		Reduced−83,373
Kymera Therapeutics IncKYMR	COM	501575104	17.2	2.2%	149,700	Call	New+149,700
Novartis AGNVS	SPONSORED ADR	66987V109	15.7	2.0%	100,000	Put	New+100,000
Uniqure NV	SHS	N90064101	13.8	1.7%	299,000	Put	Unchanged
Viking Therapeutics IncVKTX	COM	92686J106	13.7	1.7%	350,500	Put	New+350,500
Biogen IncBIIB	COM	09062X103	13.0	1.6%	60,000	Call	New+60,000
Capricor Therapeutics IncCAPR	COM NEW	14070B309	12.9	1.6%	534,400	Put	Reduced−89,000
Summit Therapeutics IncSMMT	COM	86627T108	12.5	1.6%	860,200	Call	New+860,200
ELI Lilly & CoLLY	COM	532457108	12.0	1.5%	10,000	Put	New+10,000
Incyte CorpINCY	COM	45337C102	11.9	1.5%	105,400	Put	Unchanged
Edgewise Therapeutics IncEWTX	COM	28036F105	11.1	1.4%	272,214		New+272,214
Uniqure NV	SHS	N90064101	10.8	1.4%	235,400	Call	Reduced−14,600
Biontech SEBNTX	SPONSORED ADS	09075V102	9.3	1.2%	100,000	Call	New+100,000
Kodiak Sciences IncKOD	COM	50015M109	8.5	1.1%	218,117		Added+25,155
Immunocore Holdings plcIMCR	ADS	45258D105	8.1	1.0%	254,863		Added+61,674
Capricor Therapeutics IncCAPR	COM NEW	14070B309	7.9	1.0%	329,300	Call	Unchanged
Novartis AGNVS	SPONSORED ADR	66987V109	7.8	1.0%	50,000	Call	New+50,000
Replimune Group IncREPL	COM	76029N106	7.7	1.0%	696,300	Call	Added+490,800
Kodiak Sciences IncKOD	COM	50015M109	7.7	1.0%	196,700	Call	Added+196,500
4D Molecular Therapeutics inFDMT	COM	35104E100	7.6	1.0%	571,107		New+571,107
Moderna IncMRNA	COM	60770K107	7.0	0.9%	100,000	Put	Reduced−59,400
Hims & Hers Health IncHIMS	COM CL A	433000106	6.9	0.9%	200,000	Call	New+200,000
Arcus Biosciences IncRCUS	COM	03969F109	6.9	0.9%	223,810		Reduced−14,332
Hims & Hers Health IncHIMS	COM CL A	433000106	6.7	0.8%	193,700	Put	New+193,700
Corbus Pharmaceuticals HoldingsCRBP	COM NEW	21833P301	5.9	0.8%	633,800	Call	Added+518,500
Sellas Life Sciences Group ISLS	COM NEW	81642T209	5.9	0.7%	400,000	Call	Added+100,000
Kodiak Sciences IncKOD	COM	50015M109	5.7	0.7%	146,900	Put	Reduced−100,000
Alumis IncALMS	COM	022307102	5.6	0.7%	200,000	Call	Added+100,000
Royalty Pharma plc	SHS CLASS A	G7709Q104	5.6	0.7%	100,000	Call	New+100,000
Johnson & JohnsonJNJ	COM	478160104	5.6	0.7%	22,000		Reduced−31,771
Replimune Group IncREPL	COM	76029N106	5.6	0.7%	502,500	Put	Added+42,600
Bioage Labs IncBIOA	COM	09077V100	4.9	0.6%	200,100	Call	New+200,100
Novo-Nordisk a SNVO	ADR	670100205	4.8	0.6%	100,000		Added+85,423
Biohaven Ltd	COM	G1110E107	4.7	0.6%	317,000	Call	Unchanged
Tenax Therapeutics IncTENX	COM NEW	88032L605	4.5	0.6%	307,000	Call	New+307,000
Corvus Pharmaceuticals IncCRVS	COM	221015100	4.4	0.6%	294,811		Added+50,000
Relay Therapeutics IncRLAY	COM	75943R102	4.3	0.5%	230,677		New+230,677
TG Therapeutics IncTGTX	COM	88322Q108	4.2	0.5%	75,700	Call	New+75,700
Monte Rosa Therapeutics IncGLUE	COM	61225M102	4.1	0.5%	170,100	Call	New+170,100
Arcus Biosciences IncRCUS	COM	03969F109	3.8	0.5%	124,000	Call	New+124,000
Unicycive Therapeutics IncUNCY	COM NEW	90466Y202	3.7	0.5%	792,600	Call	New+792,600
Zymeworks IncZYME	COM	98985Y108	3.7	0.5%	142,132		Unchanged
Amgen IncAMGN	COM	031162100	3.6	0.5%	10,000	Call	New+10,000
Bioage Labs IncBIOA	COM	09077V100	3.6	0.5%	146,334		Added+86,334
Taysha Gene Therapies IncTSHA	COM SHS	877619106	3.6	0.4%	522,619		New+522,619
Intellia Therapeutics IncNTLA	COM	45826J105	3.4	0.4%	200,000	Call	Unchanged
Celldex Therapeutics Inc NewCLDX	COM NEW	15117B202	3.2	0.4%	86,000	Put	New+86,000
Vaxcyte IncPCVX	COM	92243G108	3.1	0.4%	53,100	Call	Unchanged
Nurix Therapeutics IncNRIX	COM	67080M103	2.9	0.4%	121,539		New+121,539
Summit Therapeutics IncSMMT	COM	86627T108	2.9	0.4%	200,000	Put	New+200,000
Vaxcyte IncPCVX	COM	92243G108	2.8	0.4%	48,900	Put	New+48,900
Corbus Pharmaceuticals HoldingsCRBP	COM NEW	21833P301	2.8	0.4%	301,264		Reduced−138,693
Indivior Pharmaceuticals IncINDV	COM	45579U109	2.8	0.4%	67,512		Reduced−3,864
Inventiva SAIVA	ADS	46124U107	2.7	0.3%	740,786		Added+388,387
Novo-Nordisk a SNVO	ADR	670100205	2.7	0.3%	55,900	Put	Unchanged
Oruka Therapeutics IncORKA	COM	687604108	2.6	0.3%	27,799		New+27,799
Vaxcyte IncPCVX	COM	92243G108	2.6	0.3%	45,071		Added+20,000
Cytokinetics IncCYTK	COM NEW	23282W605	2.6	0.3%	30,000	Put	Reduced−170,000
Relmada Therapeutics IncRLMD	COM	75955J402	2.5	0.3%	361,367		Added+160,525
Vera Therapeutics IncVERA	CL A	92337R101	2.5	0.3%	57,608		New+57,608
Vera Therapeutics IncVERA	CL A	92337R101	2.1	0.3%	50,000	Put	New+50,000
Celcuity IncCELC	COM	15102K100	2.1	0.3%	20,000	Call	Added+2,300
Annexon IncANNX	COM	03589W102	2.0	0.3%	353,200	Call	Unchanged
Septerna IncSEPN	COM	81734D104	2.0	0.3%	59,700	Put	New+59,700
Corvus Pharmaceuticals IncCRVS	COM	221015100	2.0	0.3%	133,400	Call	Added+27,100
Contineum Therapeutics IncCTNM	CL A	21217B100	2.0	0.2%	119,733		New+119,733
Bicycle Therapeutics plcBCYC	SPONSORED ADS	088786108	2.0	0.2%	462,724		Reduced−13,700
Monte Rosa Therapeutics IncGLUE	COM	61225M102	1.9	0.2%	78,391		Reduced−108,916
Celldex Therapeutics Inc NewCLDX	COM NEW	15117B202	1.9	0.2%	50,900	Call	New+50,900
Viridian Therapeutics IncVRDN	COM	92790C104	1.8	0.2%	100,000		New+100,000
Macrogenics IncMGNX	COM	556099109	1.7	0.2%	374,403		Reduced−225,597
Proqr Thrapeutics N V	SHS EURO	N71542109	1.7	0.2%	926,016		Added+745,933
Adma Biologics IncADMA	COM	000899104	1.7	0.2%	200,000	Call	New+200,000
Spruce Biosciences IncSPRB	COM NEW	85209E208	1.6	0.2%	30,000		Added+20,000
Ardelyx IncARDX	COM	039697107	1.5	0.2%	303,025		New+303,025
CUE Biopharma IncCUE	COM	22978P205	1.5	0.2%	48,369		New+48,369
Mineralys Therapeutics IncMLYS	COM	603170101	1.5	0.2%	56,347		Added+30,000
Eyepoint IncEYPT	COM NEW	30233G209	1.5	0.2%	106,300	Call	Unchanged
Sellas Life Sciences Group ISLS	COM NEW	81642T209	1.5	0.2%	100,000	Put	New+100,000
Prothena Corp plc	SHS	G72800108	1.5	0.2%	149,482		New+149,482
Voyager Therapeutics IncVYGR	COM	92915B106	1.4	0.2%	413,642		Reduced−10,000
Unicycive Therapeutics IncUNCY	COM NEW	90466Y202	1.4	0.2%	303,676		Added+197,593
Phathom Pharmaceuticals IncPHAT	COM	71722W107	1.4	0.2%	129,950		Added+75,300
Evolus IncEOLS	COM	30052C107	1.4	0.2%	200,000	Call	Added+74,800
Spyre Therapeutics IncSYRE	COM NEW	00773J202	1.3	0.2%	15,000		New+15,000
Cybin Inc	COM NEW	23256X407	1.3	0.2%	200,000		New+200,000
Cormedix IncCRMD	COM	21900C308	1.3	0.2%	167,500	Put	Unchanged
Editas Medicine IncEDIT	COM	28106W103	1.3	0.2%	400,000	Call	New+400,000
Equillium IncEQ	COM	29446K106	1.3	0.2%	400,282		Reduced−33,562
Pyxis Oncology IncPYXS	COMMON STOCK	747324101	1.2	0.1%	388,200	Call	New+388,200
Xeris Biopharma Holdings IncXERS	COM	98422E103	1.1	0.1%	132,746		Unchanged
Pharvaris N V	COM	N69605108	1.0	0.1%	29,321		Unchanged
Harmony Biosciences Holdings inHRMY	COM	413197104	1.0	0.1%	26,864		Reduced−66,000
Cartesian Therapeutics IncRNAC	COM NEW	816212302	0.9	0.1%	87,057		New+87,057
Aquestive Therapeutics IncAQST	COM	03843E104	0.9	0.1%	214,600	Call	New+214,600
Rigel Pharmaceuticals IncRIGL	COM	766559702	0.9	0.1%	22,816		New+22,816
Summit Therapeutics IncSMMT	COM	86627T108	0.9	0.1%	60,000		New+60,000
Precigen IncPGEN	COM	74017N105	0.8	<0.1%	135,293		Added+80,000
Definium Therapeutics IncDFTX	COM SHS	24477V105	0.7	<0.1%	15,451		New+15,451
Pelthos Therapeutics IncPTHS	COM SHS	171126204	0.7	<0.1%	24,773		Unchanged
Pepgen IncPEPG	COM	713317105	0.7	<0.1%	373,284		Added+222,359
Cybin Inc	COM NEW	23256X407	0.7	<0.1%	100,000	Call	New+100,000
Voyager Therapeutics IncVYGR	COM	92915B106	0.5	<0.1%	150,000	Call	Unchanged
CG Oncology IncCGON	COM	156944100	0.5	<0.1%	7,300	Call	New+7,300
Enliven Therapeutics IncELVN	COM	29337E102	0.5	<0.1%	10,000		Added+9,755
Connect Biopharma Holdings Ltd	SHS	G23549101	0.5	<0.1%	196,985		Reduced−3,705
Larimar Therapeutics IncLRMR	COM	517125100	0.4	<0.1%	146,637		Reduced−20,000
Elicio Therapeutics IncELTX	COM	28657F103	0.4	<0.1%	112,100	Call	New+112,100
Elicio Therapeutics IncELTX	COM	28657F103	0.4	<0.1%	100,000	Put	New+100,000
Cellectar Biosciences IncCLRB	COM NEW	15117F880	0.4	<0.1%	138,341		New+138,341
Foghorn Therapeutics IncFHTX	COM	344174107	0.3	<0.1%	66,908		Reduced−13,036
Aytu Biopharma IncAYTU	COM	054754858	0.3	<0.1%	148,546		Reduced−204,531
Ocugen IncOCGN	COM	67577C105	0.3	<0.1%	200,000		Unchanged
Inovio Pharmaceuticals IncINO	COM SHS	45773H409	0.3	<0.1%	275,200	Call	Added+200,000
Urogen Pharma Ltd	COM	M96088105	0.3	<0.1%	7,137		Reduced−16,018
Amgen IncAMGN	COM	031162100	0.2	<0.1%	102,701		New+102,701
Heron Therapeutics IncHRTX	COM	427746102	0.2	<0.1%	458,723		New+458,723
Talphera IncTLPH	COM NEW	00444T209	0.2	<0.1%	153,563		Unchanged
Annexon IncANNX	COM	03589W102	0.2	<0.1%	27,516		Reduced−105,400
Monopar Therapeutics IncMNPR	COM NEW	61023L207	0.2	<0.1%	1,630		Unchanged
Lakeland Inds IncLAKE	COM	511795106	0.2	<0.1%	14,108		New+14,108
Upstream Bio IncUPB	COM	91678A107	0.1	<0.1%	19,093		Reduced−2,516
Meiragtx Holdings plc	COM	G59665102	0.1	<0.1%	8,368		New+8,368
Jatt II Acquisition Corp	ORD SHS	G50765109	0.1	<0.1%	9,021		New+9,021
Kailera Therapeutics IncKLRA	COMMON STOCK	482931102	0.1	<0.1%	3,621		New+3,621
Mannkind CorpMNKD	COM NEW	56400P706	0.1	<0.1%	16,003		Reduced−170,600
Entera Bio Ltd	SHS	M40527109	0.0	<0.1%	23,260		Unchanged
ARS Pharmaceuticals IncSPRY	COM	82835W108	0.0	<0.1%	4,860		New+4,860
Aprea Therapeutics IncAPRE	COM NEW	03836J201	0.0	<0.1%	44,907		New+44,907
Tvardi Therapeutics IncTVRD	COM	140755307	0.0	<0.1%	16,607		New+16,607
Vistagen Therapeutics IncVTGN	COM	92840H400	0.0	<0.1%	57,700	Call	New+57,700
Nextcure IncNXTC	COM NEW	65343E207	0.0	<0.1%	7,742		New+7,742
Atyr Pharma IncATYR	COM NEW	002120202	0.0	<0.1%	12,500	Put	Unchanged
Meiragtx Holdings plc	COM	G59665102	0.0	<0.1%	500	Call	New+500
Jade Biosciences IncJBIO	COM NEW	008064206	0.0	<0.1%	1,046	Put	Unchanged
Erasca IncERAS	COM	29479A108	0.0	<0.1%	100	Call	New+100
CUE Biopharma IncCUE	COM	22978P205	0.0	<0.1%	6	Call	New+6

Sold out: 64 positions

Held at the end of the quarter before and not reported this quarter.

DIADEMA PARTNERS LP, positions sold out
Issuer	Class	CUSIP	Weight	Put or call	Change on the quarter before
Abbvie IncABBV	COM	00287Y109	0.0%		Sold out−24,058
Alkermes plc	SHS	G01767105	0.0%		Sold out−50,000
Alumis IncALMS	COM	022307102	0.0%	Put	Sold out−31,200
Anavex Life Sciences CorpAVXL	COM NEW	032797300	0.0%	Call	Sold out−477,600
Apogee Therapeutics Inc	COM	03770N101	0.0%	Call	Sold out−222,500
Atrium Therapeutics IncRNA	COM	04965N104	0.0%		Sold out−2,512
Atyr Pharma IncATYR	COM NEW	002120202	0.0%	Call	Sold out−12,200
Bridgebio Pharma IncBBIO	COM	10806X102	0.0%		Sold out−85,311
Bridgebio Pharma Inc	NOTE 1.750% 3/0	10806XAJ1	0.0%		Sold out−250,000
Capricor Therapeutics IncCAPR	COM NEW	14070B309	0.0%		Sold out−78,851
Celcuity IncCELC	COM	15102K100	0.0%		Sold out−5,314
Climb Bio IncCLYM	COM	28658R106	0.0%		Sold out−286,126
Compass Pathways plcCMPS	SPONSORED ADS	20451W101	0.0%		Sold out−31,885
Corcept Therapeutics IncCORT	COM	218352102	0.0%		Sold out−10,000
Crispr Therapeutics AG	NAMEN AKT	H17182108	0.0%	Call	Sold out−106,300
CUE Biopharma Inc	COM	22978P106	0.0%		Sold out−131,997
Cytokinetics IncCYTK	COM NEW	23282W605	0.0%	Call	Sold out−50,000
Cytomx Therapeutics Inc.CTMX	COM	23284F105	0.0%	Call	Sold out−316,000
Dianthus Therapeutics IncDNTH	COM	252828108	0.0%		Sold out−10,000
Edgewise Therapeutics IncEWTX	COM	28036F105	0.0%	Call	Sold out−212,500
ELI Lilly & CoLLY	COM	532457108	0.0%		Sold out−6,000
Enanta Pharmaceuticals IncENTA	COM	29251M106	0.0%		Sold out−64,952
Eupraxia Pharmaceuticals IncEPRX	COM	29842P105	0.0%		Sold out−40,000
Eyepoint IncEYPT	COM NEW	30233G209	0.0%		Sold out−178,545
GH Research plc	ORDINARY SHARES	G3855L106	0.0%		Sold out−26,836
Immunitybio IncIBRX	COM	45256X103	0.0%	Put	Sold out−106,300
Incyte CorpINCY	COM	45337C102	0.0%		Sold out−78,029
Inovio Pharmaceuticals IncINO	COM SHS	45773H409	0.0%		Sold out−562,665
Iovance Biotherapeutics IncIOVA	COM	462260100	0.0%	Call	Sold out−300,000
Iovance Biotherapeutics IncIOVA	COM	462260100	0.0%	Put	Sold out−2,900
Janux Therapeutics IncJANX	COM	47103J105	0.0%	Call	Sold out−31,600
Jazz Pharmaceuticals plc	SHS USD	G50871105	0.0%		Sold out−54,755
Karyopharm Therapeutics IncKPTI	COM NEW	48576U205	0.0%	Call	Sold out−241,300
Lipocine Inc NewLPCN	COM NEW	53630X203	0.0%		Sold out−50,000
Liquidia CorporationLQDA	COM NEW	53635D202	0.0%	Call	Sold out−662,100
Liquidia CorporationLQDA	COM NEW	53635D202	0.0%	Put	Sold out−50,000
Lyell Immunopharma IncLYEL	COM NEW	55083R203	0.0%	Put	Sold out−4,100
Maze Therapeutics IncMAZE	COM	578784100	0.0%		Sold out−15,000
Merck & Co IncMRK	COM	58933Y105	0.0%	Put	Sold out−100,000
Ocugen IncOCGN	COM	67577C105	0.0%	Call	Sold out−300,000
Olema Pharmaceuticals IncOLMA	COM	68062P106	0.0%	Call	Sold out−84,000
Passage Bio IncPASG	COM NEW	702712209	0.0%		Sold out−19,530
Puretech Health plcPTCHF	ADS	746237106	0.0%		Sold out−7,924
Replimune Group IncREPL	COM	76029N106	0.0%		Sold out−100,660
Revolution Medicines IncRVMD	COM	76155X100	0.0%	Put	Sold out−125,500
Rocket Pharmaceuticals IncRCKT	COM	77313F106	0.0%		Sold out−30,579
Roivant Sciences Ltd	SHS	G76279101	0.0%	Put	Sold out−335,800
Septerna IncSEPN	COM	81734D104	0.0%		Sold out−202
Shattuck Labs IncSTTK	COM	82024L103	0.0%		Sold out−293,664
Structure Therapeutics IncGPCR	SPONSORED ADS	86366E106	0.0%	Put	Sold out−127,500
Structure Therapeutics IncGPCR	SPONSORED ADS	86366E106	0.0%		Sold out−72,234
Tarsus Pharmaceuticals IncTARS	COM	87650L103	0.0%		Sold out−25,942
Tenax Therapeutics IncTENX	COM NEW	88032L605	0.0%		Sold out−179,738
Terns Pharmaceuticals Inc	COM	880881107	0.0%		Sold out−181,752
TG Therapeutics IncTGTX	COM	88322Q108	0.0%		Sold out−206,928
Trevi Therapeutics IncTRVI	COM	89532M101	0.0%		Sold out−21,663
Ultragenyx Pharmaceutical inRARE	COM	90400D108	0.0%		Sold out−35,144
Uniqure NV	SHS	N90064101	0.0%		Sold out−31,200
United Therapeutics Corp DelUTHR	COM	91307C102	0.0%	Put	Sold out−20,000
United Therapeutics Corp DelUTHR	COM	91307C102	0.0%	Call	Sold out−40,200
Vertex Pharmaceuticals IncVRTX	COM	92532F100	0.0%	Call	Sold out−93,100
Vertex Pharmaceuticals IncVRTX	COM	92532F100	0.0%		Sold out−3,840
VIR Biotechnology IncVIR	COM	92764N102	0.0%	Call	Sold out−88,800
Vistagen Therapeutics IncVTGN	COM	92840H400	0.0%		Sold out−105,428

Source: SEC EDGAR, Form 13F-HR, accession 0001892688-26-000119 (on sec.gov). Last ingested by Listed: Oct 22, 2026, 05:26 ET. Listed shows no prices and gives no investment advice.