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  • DEERFIELD MANAGEMENT COMPANY, L.P. (Data extracted from 13F, 13D, 13G and Form 4)

DEERFIELD MANAGEMENT COMPANY, L.P.

AUM: $16.12 B
13-F Portfolio Value: $5.51 B
Last 13-F Filed: Q2 2025
Concentration in top 10: 54.23%
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Stock Company % Portfolio Shares Held Market Value Change in Shares % Change Quarter End Price Source
NUVLNUVALENT INC24.99%17,991,024$1,372,715,131No Change$76.313F
OSCROSCAR HEALTH INC4.55%11,649,591$249,767,231-191,227-1.61%$21.4413F
VTRSVIATRIS INC3.91%24,023,907$214,533,49032,3130.13%$8.9313F
MRUSMERUS N V3.24%3,384,628$178,031,433210,7006.64%$52.613F
CNCCENTENE CORP DEL3.15%3,185,370$172,901,884513,44919.22%$54.2813F
IARTINTEGRA LIFESCIENCES HLDGS C (PRN)3.15%174,364,000$172,859,587No Change$0.9913F
SPRYARS PHARMACEUTICALS INC3.09%9,724,508$169,692,665-790,149-7.51%$17.4513F
INDVINDIVIOR PLC2.84%10,567,160$155,759,938No Change$14.7413F
UTHRUNITED THERAPEUTICS CORP DEL2.83%540,626$155,348,881265,40096.43%$287.3513F
NBIXNEUROCRINE BIOSCIENCES INC2.67%1,167,802$146,781,033-321,198-21.57%$125.6913F
ALNYALNYLAM PHARMACEUTICALS INC (PRN)2.61%110,000,000$143,172,150No Change$1.313F
RVMDREVOLUTION MEDICINES INC2.27%3,384,072$124,500,00966,7402.01%$36.7913F
MIRMMIRUM PHARMACEUTICALS INC (PRN)2.26%70,000,000$124,213,180No Change$1.7713F
BKDBROOKDALE SR LIVING INC1.95%15,362,264$106,921,357-250,000-1.6%$6.9613F
LEGNLEGEND BIOTECH CORP1.91%2,962,338$105,133,3761,218,78369.9%$35.4913F
PFEPFIZER INC1.90%4,306,264$104,383,839958,96828.65%$24.2413F
AHCOADAPTHEALTH CORP1.70%9,904,895$93,403,160193,4851.99%$9.4313F
NAMSNEWAMSTERDAM PHARMA COMPANY1.69%5,115,953$92,649,9091,011,99624.66%$18.1113F
IDYAIDEAYA BIOSCIENCES INC1.50%3,915,311$82,299,837647,76019.82%$21.0213F
VERAVERA THERAPEUTICS INC1.44%3,348,117$78,881,6372,298,117218.87%$23.5613F
INSMINSMED INC1.28%700,700$70,518,448242,70052.99%$100.6413F
MRKMERCK & CO INC1.24%857,724$67,897,432857,724New$79.1613F
CPRXCATALYST PHARMACEUTICALS INC1.14%2,879,476$62,484,629-542,673-15.86%$21.713F
BAXBAXTER INTL INC1.06%1,923,100$58,231,468No Change$30.2813F
BIOBIO RAD LABS INC0.99%226,070$54,555,212No Change$241.3213F
IRONDISC MEDICINE INC0.89%919,403$48,691,583137,07017.52%$52.9613F
ALNYALNYLAM PHARMACEUTICALS INC0.86%145,000$47,283,050No Change$326.0913F
CERTCERTARA INC0.84%3,926,099$45,935,3581,903,48394.11%$11.713F
EHABENHABIT INC0.84%4,779,864$46,077,889-217,882-4.36%$9.6413F
LRMRLarimar Therapeutics, Inc.0.80%13,746,927$43,990,166-7,485,047-35.25%Form 4
NVSTENVISTA HOLDINGS CORPORATION0.79%2,215,845$43,297,611190,9029.43%$19.5413F
BCRXBIOCRYST PHARMACEUTICALS INC0.77%4,692,000$42,040,320-497,665-9.59%$8.9613F
TNDMTANDEM DIABETES CARE INC (PRN)0.70%40,000,000$38,516,44040,000,000New$0.9613F
CNMDCONMED CORP0.66%700,271$36,470,11489,27114.61%$52.0813F
PHVSPHARVARIS N V0.65%2,017,464$35,507,366No Change$17.613F
LNTHLANTHEUS HLDGS INC (PRN)0.58%25,255,000$32,062,687No Change$1.2713F
CGEMCULLINAN THERAPEUTICS INC0.53%3,855,552$29,032,307-5,287-0.14%$7.5313F
PHRPHREESIA INC0.53%1,014,577$28,874,8614,7330.47%$28.4613F
PRAXPRAXIS PRECISION MEDICINES I0.53%686,931$28,885,44967,00010.81%$42.0513F
KYMRKYMERA THERAPEUTICS INC0.52%653,000$28,496,92060,00010.12%$43.6413F
MRNAMODERNA INC0.50%1,000,000$27,590,0001,000,000New$27.5913F
EWTXEDGEWISE THERAPEUTICS INC0.49%2,067,320$27,102,565-11,189-0.54%$13.1113F
EMBCEMBECTA CORP0.49%2,749,712$26,644,70929,1771.07%$9.6913F
IMCRIMMUNOCORE HLDGS PLC (PRN)0.47%30,000,000$25,849,740No Change$0.8613F
LIVNLIVANOVA PLC (PRN)0.46%25,000,000$25,399,22525,000,000New$1.0213F
DAWNDAY ONE BIOPHARMACEUTICALS I0.44%3,723,131$24,200,352762,39125.75%$6.513F
VTRVENTAS INC0.41%354,000$22,355,100354,000New$63.1513F
LQDALIQUIDIA CORPORATION0.37%1,616,778$20,145,054No Change$12.4613F
COGTCOGENT BIOSCIENCES INC0.35%2,640,215$18,956,7446,3530.24%$7.1813F
INSPINSPIRE MED SYS INC0.33%140,000$18,167,800140,000New$129.7713F
MREOMEREO BIOPHARMA GROUP PLC0.33%6,710,429$18,185,263No Change$2.7113F
SVRASAVARA INC0.33%7,964,000$18,157,920No Change$2.2813F
XERSXERIS BIOPHARMA HOLDINGS INC (PRN)0.32%10,500,000$17,732,075No Change$1.6913F
BBNXBETA BIONICS INC0.31%1,168,415$17,012,122152,41515%$14.5613F
SIONSIONNA THERAPEUTICS INC0.31%970,590$16,839,737223,59029.93%$17.3513F
VCYTVERACYTE INC0.31%625,000$16,893,750625,000New$27.0313F
XENEXENON PHARMACEUTICALS INC0.31%542,020$16,965,226542,020New$31.313F
NEONEOGENOMICS INC0.29%2,148,000$15,701,8802,148,000New$7.3113F
FHTXFOGHORN THERAPEUTICS INC0.28%3,255,514$15,300,916No Change$4.713F
ZBIOZENAS BIOPHARMA INC0.28%1,562,942$15,144,908No Change$9.6913F
NVCRNOVOCURE LTD0.27%825,119$14,687,118175,00026.92%$17.813F
TSHATAYSHA GENE THERAPIES INC0.23%5,386,000$12,441,6605,386,000New$2.3113F
RXSTRXSIGHT INC0.21%888,950$11,556,350496,618126.58%$1313F
DCTHDELCATH SYS INC0.20%812,561$11,050,830-545-0.07%$13.613F
IARTINTEGRA LIFESCIENCES HLDGS C0.18%794,865$9,752,994No Change$12.2713F
OMDAOMADA HEALTH INC0.18%553,107$10,121,858553,107New$18.313F
SYRESPYRE THERAPEUTICS INC0.17%613,665$9,186,565163,66536.37%$14.9713F
DCGODOCGO INC0.14%4,941,565$7,758,257-109,935-2.18%$1.5713F
GPCRSTRUCTURE THERAPEUTICS INC0.14%373,407$7,744,461No Change$20.7413F
TOITHE ONCOLOGY INSTITUTE INC0.13%3,360,052$6,888,107No Change$2.0513F
PCVXVAXCYTE INC0.13%225,000$7,314,750No Change$32.5113F
SLPSIMULATIONS PLUS INC0.11%354,089$6,178,853No Change$17.4513F
JBIOJADE BIOSCIENCES INC0.10%531,163$5,306,318531,163New$9.9913F
NPCENEUROPACE INC0.10%500,000$5,570,000No Change$11.1413F
ALHCALIGNMENT HEALTHCARE INC0.09%342,558$4,795,812-4,224,915-92.5%$1413F
LUNGPULMONX CORP0.09%1,890,000$4,895,100No Change$2.5913F
HLVXHILLEVAX INC0.07%1,882,654$3,746,481No Change$1.9913F
CALCCALCIMEDICA INC0.04%1,300,000$2,080,000No Change$1.613F
ALECALECTOR INC0.03%1,055,192$1,477,269No Change$1.413F
ANNXANNEXON INC0.03%583,913$1,401,391No Change$2.413F
PHGEBIOMX INC0.02%2,494,108$1,122,349No Change$0.4513F
TWSTTWIST BIOSCIENCE CORP0.02%23,827$876,595No Change$36.7913F
NAMSWNEWAMSTERDAM PHARMA COMPANY0.01%92,787$742,296No Change$813F
SHCSOTERA HEALTH CO0.00916%45,242$503,09145,242New$11.1213F
COOCOOPER COS INC0.00820%6,328$450,3006,328New$71.1613F
TMOTHERMO FISHER SCIENTIFIC INC0.00676%916$371,401916New$405.4613F
UFPTUFP TECHNOLOGIES INC0.00674%1,517$370,3911,517New$244.1613F
ALGNALIGN TECHNOLOGY INC0.00670%1,945$368,2471,945New$189.3313F
ATRCATRICURE INC0.00665%11,138$364,99211,138New$32.7713F
LMATLEMAITRE VASCULAR INC0.00630%4,169$346,2354,169New$83.0513F
KIDSORTHOPEDIATRICS CORP0.00606%15,486$332,63915,486New$21.4813F
ENOVENOVIS CORPORATION0.00586%10,267$321,97310,267New$31.3613F
NHCNATIONAL HEALTHCARE CORP0.00570%2,926$313,1112,926New$107.0113F
DVADAVITA INC0.00545%2,101$299,2872,101New$142.4513F
BLFSBIOLIFE SOLUTIONS INC0.00536%13,670$294,45213,670New$21.5413F
UHSUNIVERSAL HLTH SVCS INC0.00527%1,597$289,2971,597New$181.1513F
AMEDAMEDISYS INC0.00492%2,744$269,9822,744New$98.3913F
HAEHAEMONETICS CORP MASS0.00479%3,529$263,2993,529New$74.6113F
IQVIQVIA HLDGS INC0.00466%1,623$255,7691,623New$157.5913F
MDXGMIMEDX GROUP INC0.00438%39,351$240,43539,351New$6.1113F
MEDPMEDPACE HLDGS INC0.00421%736$231,001736New$313.8613F
HUMHUMANA INC0.00408%917$224,188No Change$244.4813F
AMPHAMPHASTAR PHARMACEUTICALS IN0.00400%9,579$219,9349,579New$22.9613F
QSIAWQUANTUM SI INC0.00395%333,333$217,000No Change$0.6513F
TFXTELEFLEX INCORPORATED0.00389%1,805$213,6401,805New$118.3613F
CRVLCORVEL CORP0.00373%1,993$204,8411,993New$102.7813F
ZTSZOETIS INC0.00372%1,310$204,2951,310New$155.9513F
RGENREPLIGEN CORP0.00369%1,628$202,4911,628New$124.3813F
ATECALPHATEC HLDGS INC0.00345%17,083$189,62117,083New$11.113F
CYHCOMMUNITY HEALTH SYS INC NEW0.00345%55,703$189,39043,986375.4%$3.413F
OGNORGANON & CO0.00289%16,388$158,63616,388New$9.6813F
PACSPACS GROUP INC0.00269%11,421$147,55911,421New$12.9213F
TXG10X GENOMICS INC0.00238%11,301$130,866-1,492,293-99.25%$11.5813F
XERSXERIS BIOPHARMA HOLDINGS INC0.00192%22,574$105,42122,574New$4.6713F
RDNTRADNET INC0.00156%1,506$85,7061,506New$56.9113F
TOIIWTHE ONCOLOGY INSTITUTE INC0.00117%1,250,000$64,125No Change$0.0513F
NUVBWSNUVATION BIO INC0.00082%166,666$44,983No Change$0.2713F
BFLYWSBUTTERFLY NETWORK INC0.00081%733,333$44,220No Change$0.0613F
DHRDANAHER CORPORATION0.00060%168$33,187168New$197.5413F
EBSEMERGENT BIOSOLUTIONS INC0.00022%1,872$11,9431,872New$6.3813F
PMVPPMV PHARMACEUTICALS INC0.00017%8,790$9,3178,790New$1.0613F
CRLCHARLES RIV LABS INTL INC0.00012%43$6,52443New$151.7213F
MYGNMYRIAD GENETICS INC0.00005%505$2,682505New$5.3113F
SRZNWSURROZEN INC0.00005%166,666$3,017No Change$0.0213F
ACCOACCO BRANDS CORP-11,242Exited13F
ABSIABSCI CORPORATION-28,071Exited13F
ACCDACCOLADE INC (PRN)-132,598,000Exited13F
ALDXALDEYRA THERAPEUTICS INC-10,328Exited13F
BLZEBACKBLAZE INC-21,475Exited13F
BEAMBEAM THERAPEUTICS INC-877,809Exited13F
BFLYBUTTERFLY NETWORK INC-11,635Exited13F
CCCCC4 THERAPEUTICS INC-12,528Exited13F
CGONCG ONCOLOGY INC-850,695Exited13F
CERSCERUS CORP-44,693Exited13F
CMRXCHIMERIX INC-3,771,342Exited13F
CONCONCENTRA GROUP HOLDINGS PAR-650,000Exited13F
DXCDXC TECHNOLOGY CO-11,883Exited13F
APPSDIGITAL TURBINE INC-16,942Exited13F
DHCDIVERSIFIED HEALTHCARE TR-33,892Exited13F
DVAXDYNAVAX TECHNOLOGIES CORP-5,191,493Exited13F
DYNDYNE THERAPEUTICS INC-812,408Exited13F
FPIFARMLAND PARTNERS INC-16,863Exited13F
HNRGHALLADOR ENERGY COMPANY-13,713Exited13F
CATXPERSPECTIVE THERAPEUTICS INC-2,829,413Exited13F
ZVRAZEVRA THERAPEUTICS INC-10,849Exited13F
LNTHLANTHEUS HLDGS INC-240,218Exited13F
MFAMFA FINL INC-10,935Exited13F
MNKDMANNKIND CORP-17,380Exited13F
MXCTMAXCYTE INC-19,121Exited13F
MAXMEDIAALPHA INC-10,795Exited13F
MTSRMETSERA INC-500,000Exited13F
NGNENEUROGENE INC-446,880Exited13F
NUVBNUVATION BIO INC-45,448Exited13F
OLPXOLAPLEX HLDGS INC-28,833Exited13F
OPKOPKO HEALTH INC-6,906,362Exited13F
WOOFPETCO HEALTH & WELLNESS CO I-35,446Exited13F
QTRXQUANTERIX CORP-11,023Exited13F
RPAYREPAY HLDGS CORP-13,175Exited13F
RZLTREZOLUTE INC-19,223Exited13F
REIRING ENERGY INC-127,376Exited13F
JOEST JOE CO-4,473Exited13F
RUNSUNRUN INC-10,124Exited13F
TALKTALKSPACE INC-13,446Exited13F
VIRVIR BIOTECHNOLOGY INC-15,728Exited13F
XPOFXPONENTIAL FITNESS INC-23,097Exited13F
ESTAESTABLISHMENT LABS HLDGS INC (Put)-500,000Exited13F
GHRSGH RESEARCH PLC-925,000Exited13F
INMDINMODE LTD-1,578,708Exited13F