MondegarAI
ADAR1 Capital Management, LLC

Q2 2025 · 13F-HR

ADAR1 Capital Management, LLCholdings as filed

Filed 2025-08-14 · accession 0001940272-25-000005

$652.1M
Reported value
210
Positions
2025-06-30
Period end
View analyzed profile →PRO

Holdings as filed

CUSIPTickerIssuerValue% port.SharesClassVoting
492327101KROSKEROS THERAPEUTICS INC$71.9M11.0%5,389,264CommonSOLE
74366E102PTGXPROTAGONIST THERAPEUTICS INC$52.4M8.04%948,069CommonSOLE
02072L565BOXXEA SERIES TRUST$38.0M5.83%337,125CommonSOLE
98887Q104ZLABZAI LAB LTD$29.7M4.56%850,437CommonSOLE
78462F103SPYSPDR S&P 500 ETF TR$25.0M3.84%40,500PUTSOLE
00370M103ABVXABIVAX SA$23.5M3.60%3,071,340CommonSOLE
G76279101ROIVROIVANT SCIENCES LTD$21.9M3.35%1,940,797CommonSOLE
G72800108PRTAPROTHENA CORP PLC$20.5M3.14%3,375,009CommonSOLE
23282W605CYTKCYTOKINETICS INC$19.2M2.95%582,147CommonSOLE
78462F103SPYSPDR S&P 500 ETF TR$14.0M2.15%22,684CommonSOLE
156944100CGONCG ONCOLOGY INC$13.6M2.09%523,216CommonSOLE
78468R663BILSPDR SERIES TRUST$12.4M1.91%135,585CommonSOLE
10806X102BBIOBRIDGEBIO PHARMA INC$11.2M1.72%259,659CommonSOLE
45719W205IKTINHIBIKASE THERAPEUTICS INC$10.0M1.53%5,122,105CommonSOLE
81734D104SEPNSEPTERNA INC$9.0M1.37%847,227CommonSOLE
03879J100ABUSARBUTUS BIOPHARMA CORP$8.7M1.34%2,825,773CommonSOLE
282559103ETNBGBP89BIO INC$8.6M1.32%875,983CommonSOLE
45258J102IMVTIMMUNOVANT INC$8.6M1.31%535,066CommonSOLE
805111101SVRASAVARA INC$8.2M1.26%3,600,670CommonSOLE
98420N105XENEXENON PHARMACEUTICALS INC$8.1M1.25%259,503CommonSOLE
09077V100BIOABIOAGE LABS INC$8.0M1.23%1,937,123CommonSOLE
G70077105PCSCPERCEPTIVE CAP SOLUTIONS COR$8.0M1.22%750,000CommonSOLE
03237H101AMLXAMYLYX PHARMACEUTICALS INC$7.7M1.18%1,205,101CommonSOLE
23284F105CTMXCYTOMX THERAPEUTICS INC$7.0M1.07%3,081,414CommonSOLE
877619106TSHATAYSHA GENE THERAPIES INC$7.0M1.07%3,009,870CommonSOLE
78667J108SG7SAGE THERAPEUTICS INC$6.6M1.01%721,599CommonSOLE
75382E208RAPTRAPT THERAPEUTICS INC$6.3M0.96%783,217CommonSOLE
47103J105JANXJANUX THERAPEUTICS INC$6.1M0.94%264,900CALLSOLE
G1000R101AAMAA MISSION ACQUISITION CORP$6.0M0.92%578,359CommonSOLE
462222100IONSIONIS PHARMACEUTICALS INC$5.9M0.90%148,461CommonSOLE
881624209TEVATEVA PHARMACEUTICAL INDS LTD$5.8M0.89%345,878CommonSOLE
G6717R120OACCUOAKTREE ACQUISITION CORP III$5.5M0.84%516,482CommonSOLE
92539P101VERVE THERAPEUTICS INC$5.3M0.81%469,018CommonSOLE
76155X100RVMDREVOLUTION MEDICINES INC$4.9M0.76%134,136CommonSOLE
G4444H101BBOTHELIX ACQUISITION CORP II$4.7M0.72%442,615CommonSOLE
464287457SHYISHARES TR$4.4M0.68%53,337CommonSOLE
76200L309RZLTREZOLUTE INC$4.4M0.68%989,297CommonSOLE
10806XAD4BBIO 2.25 02/01/29BRIDGEBIO PHARMA INC$4.2M0.64%4,500,000CommonSOLE
603170101MLYSMINERALYS THERAPEUTICS INC$4.1M0.63%302,125CommonSOLE
152309100CNTACENTESSA PHARMACEUTICALS PLC$3.9M0.60%296,766CommonSOLE
61023L207MNPRMONOPAR THERAPEUTICS INC$3.6M0.55%100,974CommonSOLE
803607100SRPTSAREPTA THERAPEUTICS INC$3.6M0.55%210,313CommonSOLE
039697107ARDXARDELYX INC$3.6M0.55%915,130CommonSOLE
88427A107THIRD HARMONIC BIO INC$3.4M0.52%622,873CommonSOLE
92243G108PCVXVAXCYTE INC$3.2M0.49%98,032CommonSOLE
76243J105RYTMRHYTHM PHARMACEUTICALS INC$2.9M0.44%45,390CommonSOLE
925050106VRNAVERONA PHARMA PLC$2.7M0.41%28,450CommonSOLE
10806XAB8BBIO 2.5 03/15/27BRIDGEBIO PHARMA INC$2.5M0.38%2,000,000CommonSOLE
014442107ALECALECTOR INC$2.4M0.37%1,723,526CommonSOLE
92790C104VRDNVIRIDIAN THERAPEUTICS INC$2.4M0.37%170,598CommonSOLE
G0544A103ASPCA SPAC III ACQUISITION CORP$2.2M0.34%215,000CommonSOLE
21900C308CRMDCORMEDIX INC$2.2M0.33%175,000CommonSOLE
86627T108SMMTSUMMIT THERAPEUTICS INC$2.1M0.33%100,000CALLSOLE
N62509109NAMSNEWAMSTERDAM PHARMA COMPANY$2.0M0.31%112,359CommonSOLE
24661P807DCTHDELCATH SYS INC$2.0M0.31%149,385CommonSOLE
03675P102AVRANTERIS TECHNOLOGIES GLOBAL$2.0M0.31%531,515CommonSOLE
09627Y1092655787DBLUEPRINT MEDICINES CORP$1.9M0.29%15,000CommonSOLE
92686J106VKTXVIKING THERAPEUTICS INC$1.8M0.28%67,813CommonSOLE
00973Y108AKROAKERO THERAPEUTICS INC$1.8M0.27%33,143CommonSOLE
75886F107REGNREGENERON PHARMACEUTICALS$1.8M0.27%3,361CommonSOLE
75901B107RGNXREGENXBIO INC$1.7M0.26%207,818CommonSOLE
268158201DVAXDYNAVAX TECHNOLOGIES CORP$1.7M0.26%170,000CommonSOLE
61559X104MLTXMOONLAKE IMMUNOTHERAPEUTICS$1.6M0.25%34,314CommonSOLE
687604108ORKAORUKA THERAPEUTICS INC$1.6M0.25%142,780CommonSOLE
G52694109KNSAKINIKSA PHARMACEUTICALS INTL$1.6M0.24%56,540CommonSOLE
22663K107CRNXCRINETICS PHARMACEUTICALS IN$1.5M0.23%53,125CommonSOLE
878972108TECXTECTONIC THERAPEUTIC INC$1.5M0.22%73,505CommonSOLE
834203309SLNOSOLENO THERAPEUTICS INC$1.5M0.22%17,330CommonSOLE
47103J105JANXJANUX THERAPEUTICS INC$1.4M0.22%62,088CommonSOLE
80706P103SRRKSCHOLAR ROCK HLDG CORP$1.4M0.22%39,677CommonSOLE
04635X102CATBUSDASTRIA THERAPEUTICS INC$1.3M0.21%249,646CommonSOLE
G01767105ALKSALKERMES PLC$1.3M0.20%45,000CommonSOLE
92764N102VIRVIR BIOTECHNOLOGY INC$1.3M0.19%250,000CommonSOLE
00847X104AGIOAGIOS PHARMACEUTICALS INC$1.2M0.18%35,900CommonSOLE
15117B202CLDXCELLDEX THERAPEUTICS INC NEW$1.2M0.18%57,466CommonSOLE
85205L107SWTXUSDSPRINGWORKS THERAPEUTICS INC$1.1M0.17%24,082CommonSOLE
G31249108ESTAESTABLISHMENT LABS HLDGS INC$1.1M0.16%25,000CommonSOLE
00509G209ABOSACUMEN PHARMACEUTICALS INC$1.1M0.16%916,183CommonSOLE
171757206CDTXCIDARA THERAPEUTICS INC$1.0M0.16%21,522CommonSOLE
G9TY5A101ZURAZURA BIO LTD$1.0M0.16%997,547CommonSOLE
G1069P137BSAAUBEST SPAC I ACQUISITION CORP$1.0M0.15%100,000CommonSOLE
04016X101ARGXARGENX SE$969,5960.15%1,759CommonSOLE
N5749R1002GHMERUS N V$963,2640.15%18,313CommonSOLE
01438T106ALDXALDEYRA THERAPEUTICS INC$957,1940.15%249,920CommonSOLE
717081103PFEPFIZER INC$955,0560.15%39,400CommonSOLE
04335A105ARVNARVINAS INC$947,7250.15%128,767CommonSOLE
803607100SRPTSAREPTA THERAPEUTICS INC$940,5000.14%55,000CALLSOLE
03940C100ACLXGBXARCELLX INC$919,3980.14%13,962CommonSOLE
640268306NKTRNEKTAR THERAPEUTICS$904,4000.14%35,000PUTSOLE
670703107NUVLNUVALENT INC$903,5450.14%11,842CommonSOLE
88032L605TENXTENAX THERAPEUTICS INC$896,0080.14%155,557CommonSOLE
86881A100SGRYSURGERY PARTNERS INC$889,2000.14%40,000CommonSOLE
04280A100ARWRARROWHEAD PHARMACEUTICALS IN$872,1600.13%55,200CommonSOLE
500946108KRROKORRO BIO INC$859,4990.13%68,815CommonSOLE
G52443119KVACKEEN VISION ACQUISITION CORP$852,7500.13%75,000CommonSOLE
92840H400VTGNVISTAGEN THERAPEUTICS INC$841,5300.13%420,765CommonSOLE
03770N101APGEAPOGEE THERAPEUTICS INC$784,7800.12%18,070CommonSOLE
Y95308105WVEWAVE LIFE SCIENCES LTD$746,2910.11%114,814CommonSOLE
483119202KALAEURKALA BIO INC$713,1910.11%149,830CommonSOLE
517125100LRMRLARIMAR THERAPEUTICS INC$686,6780.11%237,605CommonSOLE
77313F106RCKTROCKET PHARMACEUTICALS INC$675,7100.10%275,800CommonSOLE
49372L2092KZ0KEZAR LIFE SCIENCES INC$675,1100.10%147,404CommonSOLE
98401F105XNCRXENCOR INC$674,5920.10%85,826CommonSOLE
21217B100CTNMCONTINEUM THERAPEUTICS INC$662,1920.10%166,799CommonSOLE
09062X103BIIBBIOGEN INC$640,5090.10%5,100CommonSOLE
374163103GERNGERON CORP$622,0580.10%441,176CommonSOLE
71722W107PHATPHATHOM PHARMACEUTICALS INC$608,2360.09%63,424CommonSOLE
N69605108PHVSPHARVARIS N V$600,5820.09%34,124CommonSOLE
52886X107LXEOLEXEO THERAPEUTICS INC$583,3380.09%145,109CommonSOLE
501575104KYMRKYMERA THERAPEUTICS INC$583,2920.09%13,366CommonSOLE
68218J103OABIOMNIAB INC$567,4280.09%326,108CommonSOLE
58933Y105MRKMERCK & CO INC$557,2860.09%7,040CommonSOLE
745848101LUNGPULMONX CORP$529,6470.08%204,497CommonSOLE
00439U104GRCEGRACE THERAPEUTICS INC$524,5820.08%176,627CommonSOLE
28036F105EWTXEDGEWISE THERAPEUTICS INC$524,4000.08%40,000CommonSOLE
05338F306AVTXAVALO THERAPEUTICS INC$522,6030.08%104,730CommonSOLE
00773J202SYRESPYRE THERAPEUTICS INC$509,7430.08%34,051CommonSOLE
97717Y527USFRWISDOMTREE TR$503,1000.08%10,000CommonSOLE
24823R105DNLIDENALI THERAPEUTICS INC$499,6670.08%35,716CommonSOLE
80105N105SNYSANOFI$483,1000.07%10,000CommonSOLE
49721T507KPRXKIORA PHARMACEUTICALS INC$481,2800.07%167,111CommonSOLE
G1110E107BHVNBIOHAVEN LTD$456,3320.07%32,341CommonSOLE
64135M105NGNENEUROGENE INC$442,8940.07%29,625CommonSOLE
G6363K106NABORS ENERGY TRANSITION COR$442,8900.07%39,900CommonSOLE
632307104NTRANATERA INC$422,3500.06%2,500CommonSOLE
84833T103SPROSPERO THERAPEUTICS INC$417,3590.06%143,917CommonSOLE
640268306NKTRNEKTAR THERAPEUTICS$408,1690.06%15,796CommonSOLE
532457108LLYELI LILLY & CO$389,7650.06%500CommonSOLE
74365U107TARAPROTARA THERAPEUTICS INC$371,7510.06%122,690CommonSOLE
359616109FULCFULCRUM THERAPEUTICS INC$367,0410.06%53,349CommonSOLE
M8001Q126PYPDPOLYPID LTD$366,9440.06%103,950CommonSOLE
92332V107VTYXUSDVENTYX BIOSCIENCES INC$360,8040.06%168,600CommonSOLE
67080M103NRIXNURIX THERAPEUTICS INC$355,3680.05%31,200CommonSOLE
G1110E107BHVNBIOHAVEN LTD$352,7500.05%25,000CALLSOLE
558868105MDGLMADRIGAL PHARMACEUTICALS INC$318,9830.05%1,054CommonSOLE
86366E106GPCRSTRUCTURE THERAPEUTICS INC$311,1000.05%15,000CommonSOLE
86150R107STOKSTOKE THERAPEUTICS INC$309,6850.05%27,285CommonSOLE
45782T105INMBINMUNE BIO INC$300,7620.05%130,200PUTSOLE
03753U106APLSUSDAPELLIS PHARMACEUTICALS INC$294,2700.05%17,000CommonSOLE
G0131Y100ANSCAGRICULTURE & NAT SOL ACQ CO$293,6230.05%27,062CommonSOLE
G50871105JAZZJAZZ PHARMACEUTICALS PLC$291,8300.04%2,750CommonSOLE
38341P102GOSSGOSSAMER BIO INC$279,4900.04%227,228CommonSOLE
09061G101BMRNBIOMARIN PHARMACEUTICAL INC$269,3530.04%4,900CommonSOLE
46565G1045E7ITEOS THERAPEUTICS INC$268,5620.04%26,937CommonSOLE
462837105UCFIIRON HORSE ACQUISITIONS CORP$258,1250.04%25,000CommonSOLE
86627T108SMMTSUMMIT THERAPEUTICS INC$255,3600.04%12,000CommonSOLE
002120202ATYRATYR PHARMA INC$253,5000.04%50,000PUTSOLE
92915B106VYGRVOYAGER THERAPEUTICS INC$248,6290.04%79,945CommonSOLE
88338N206TXMDTHERAPEUTICSMD INC$242,6840.04%209,210CommonSOLE
04351P101ASNDUSDASCENDIS PHARMA A/S$241,9850.04%1,402CommonSOLE
22053A107QUINCE THERAPEUTICS INC$235,8810.04%142,958CommonSOLE
21077P108CNTXCONTEXT THERAPEUTICS INC$230,0370.04%351,094CommonSOLE
26818M108DYNDYNE THERAPEUTICS INC$219,5600.03%23,063CommonSOLE
055477103BCAXBICARA THERAPEUTICS INC$212,5090.03%22,875CommonSOLE
50127T109KURAKURA ONCOLOGY INC$197,9110.03%34,300CommonSOLE
26818M108DYNDYNE THERAPEUTICS INC$190,4000.03%20,000CALLSOLE
23954D109DAWNGBXDAY ONE BIOPHARMACEUTICALS I$182,1500.03%28,023CommonSOLE
75629V104RXRXRECURSION PHARMACEUTICALS IN$177,1000.03%35,000CommonSOLE
89532M101TRVITREVI THERAPEUTICS INC$164,1000.03%30,000CommonSOLE
G2283U100COLOMBIER ACQUISITION CORP I$154,6000.02%10,000CommonSOLE
032797300AVXLANAVEX LIFE SCIENCES CORP$149,5580.02%16,221CommonSOLE
45790W108INOZYME PHARMA INC$148,6440.02%37,161CommonSOLE
28658R106CLYMCLIMB BIO INC$147,9570.02%119,320CommonSOLE
25056L103DSGNDESIGN THERAPEUTICS INC$142,9150.02%42,408CommonSOLE
M96088105URGNUROGEN PHARMA LTD$137,0000.02%10,000CommonSOLE
09090D301BIOMX INC$134,8190.02%299,598CommonSOLE
18914F103CLOVCLOVER HEALTH INVESTMENTS CO$134,7570.02%48,300CommonSOLE
05352A100AVTRAVANTOR INC$134,6000.02%10,000CommonSOLE
G7257A113PCAPUPROCAP ACQUISITION CORP$114,4900.02%10,680CommonSOLE
022307102ALMSALUMIS INC$113,3640.02%37,788CommonSOLE
483497103KALVKALVISTA PHARMACEUTICALS INC$113,0500.02%10,000CommonSOLE
82686Q101SLNSILENCE THERAPEUTICS PLC$108,1290.02%18,643CommonSOLE
69353Y103PMVPPMV PHARMACEUTICALS INC$107,0680.02%101,008CommonSOLE
880881107430TERNS PHARMACEUTICALS INC$105,9880.02%28,415CommonSOLE
29286M105ENGENE HOLDINGS INC$101,1450.02%27,787CommonSOLE
004468500ACHVACHIEVE LIFE SCIENCES INC$97,5710.01%43,173CommonSOLE
68622V106OGNORGANON & CO$96,8000.01%10,000CommonSOLE
76029N106REPLREPLIMUNE GROUP INC$96,6160.01%10,400CommonSOLE
729139105PLRXPLIANT THERAPEUTICS INC$95,3390.01%82,189CommonSOLE
87164F105SNDXSYNDAX PHARMACEUTICALS INC$93,6500.01%10,000CommonSOLE
29668H708EPIEURESSA PHARMA INC$85,0000.01%50,000CommonSOLE
05156V102AUPHAURINIA PHARMACEUTICALS INC$84,7000.01%10,000CommonSOLE
82024L103STTKSHATTUCK LABS INC$81,5140.01%102,948CommonSOLE
75955J402RLMDRELMADA THERAPEUTICS INC$78,0390.01%130,000CommonSOLE
09077B104BCABGBPBIOATLA INC$67,5200.01%170,506CommonSOLE
20454B104CMPXCOMPASS THERAPEUTICS INC$65,0000.01%25,000CommonSOLE
097702203BOLTBOLT BIOTHERAPEUTICS INC$62,4490.01%10,823CommonSOLE
98943L107ZNTLZENTALIS PHARMACEUTICALS INC$58,0000.01%50,000CommonSOLE
65343E108NXTCEURNEXTCURE INC$54,2860.01%118,012CommonSOLE
G1933S101CASIFCASI PHARMACEUTICALS INC$52,0620.01%44,120CommonSOLE
G1000R127AA MISSION ACQUISITION CORP$49,7020.01%505,099CommonSOLE
28617K101ELDNELEDON PHARMACEUTICALS INC$45,7990.01%16,900CommonSOLE
451033708IBIOIBIO INC$41,8320.01%54,819CommonSOLE
690469101OVIDOVID THERAPEUTICS INC$38,2250.01%115,867CommonSOLE
G0544A145ASPCRA SPAC III ACQUISITION CORP$36,5500.01%215,000CommonSOLE
G63365103MURAMURAL ONCOLOGY PUB LTD CO$29,2820.00%11,855CommonSOLE
75989R107RNXTRENOVORX INC$26,1540.00%19,889CommonSOLE
68277Q105OKURONKURE THERAPEUTICS INC$23,9000.00%10,000CommonSOLE
713317105PEPGPEPGEN INC$22,5910.00%20,352CommonSOLE
603380205NERVMINERVA NEUROSCIENCES INC$21,3380.00%12,406CommonSOLE
G5212E113JVSPAC ACQUISITION CORP$20,8800.00%24,000CommonSOLE
N71542109PRQRPROQR THRAPEUTICS N V$20,4000.00%10,000CommonSOLE
62459M206MOVANO INC$13,0190.00%19,146CommonSOLE
52187K200CYPHLEAP THERAPEUTICS INC$11,8540.00%39,925CommonSOLE
207523101CONNECT BIOPHARMA HLDGS LTD$10,0940.00%10,300CommonSOLE
19249H103CHRSCOHERUS ONCOLOGY INC$7,5810.00%10,366CommonSOLE
462837121IRON HORSE ACQUISITIONS CORP$6,1400.00%12,320CommonSOLE
G52443127KVACWKEEN VISION ACQUISITION CORP$4,0500.00%75,000CommonSOLE
G3034H141EMCRFEMBRACE CHANGE ACQUISITN COR$1,5010.00%13,144CommonSOLE
G3034H125EMCWFEMBRACE CHANGE ACQUISITN COR$3600.00%18,000CommonSOLE

Source: SEC EDGAR · raw 13F holdings as filed. The Class column shows the option type when reported (Put/Call) or Common when the issuer's equity is held directly. 13F discloses long positions only.