13F-HR filed by Rock Springs Capital Management LP
Rock Springs Capital Management LP filed this 13F-HR for the quarter ended 2015-12-31, filed 2016-02-16, with 120 holding rows worth $1,319,729,000.
- Accession
- 0001172661-16-002886
- Filer
- CIK 1595725
- Filed
- 2016-02-16
- Accepted by EDGAR
- acceptance time not in the bulk data set
- Ingested
- Source
- SEC quarterly data set
13F report for Q4 2015
A holdings report, 120 entries on the cover page, a total value of $1,319,729,000 stated on the cover page (in dollars after the unit check, H1), rows summing to $1,319,729,000 with VALUE read as thousands by filing date, 13F file number 028-16048. The quarter's positions are built on this report. The resolved quarter.
The information table after summing rows of one CUSIP and put or call (H4), with the CUSIP and issuer name as filed. Values in dollars after the unit check (method).
| Issuer as filed | CUSIP | Class | Amount | Value | Value read as | Type |
|---|---|---|---|---|---|---|
| ALLERGAN PLC | G0177J108 | SHS | 162,000 | $50,625,000 | thousands by filing date | |
| AETNA INC NEW | 00817Y108 | COM | 411,000 | $44,437,000 | thousands by filing date | |
| ACADIA HEALTHCARE COMPANY INC COM | 00404A109 | Stock | 675,000 | $42,161,000 | thousands by filing date | |
| ALEXION PHARMACEUTICALS INC | 015351109 | COM | 193,000 | $36,815,000 | thousands by filing date | |
| RADIUS HEALTH INC | 750469207 | COM NEW | 597,500 | $36,770,000 | thousands by filing date | |
| Gilead Sciences,Inc. | 375558103 | COM | 325,300 | $32,917,000 | thousands by filing date | |
| BAXALTA INC | 07177M103 | COM | 810,000 | $31,614,000 | thousands by filing date | |
| Pfizer Inc. | 717081103 | COM | 975,000 | $31,473,000 | thousands by filing date | |
| HCA Healthcare Inc | 40412C101 | COM | 430,000 | $29,081,000 | thousands by filing date | |
| COLLEGIUM PHARMACEUTICAL INC | 19459J104 | COM | 1,005,487 | $27,651,000 | thousands by filing date | |
| CELGENE CORP | 151020104 | COM | 230,000 | $27,545,000 | thousands by filing date | |
| SPARK THERAPEUTICS INC | 84652J103 | COM | 560,000 | $25,374,000 | thousands by filing date | |
| ADVANCED ACCELERATOR APPLIC SPONSORED ADS | 00790T100 | ADR | 800,000 | $25,016,000 | thousands by filing date | |
| TEVA PHARMACEUTICAL INDS LTD SPONSORED ADS | 881624209 | ADR | 379,300 | $24,897,000 | thousands by filing date | |
| ACLARIS THERAPEUTICS INC COM | 00461U105 | Stock | 896,154 | $24,142,000 | thousands by filing date | |
| MEDICINES CO | 584688105 | COM | 625,000 | $23,338,000 | thousands by filing date | |
| Eli Lilly and Company | 532457108 | COM | 275,897 | $23,247,000 | thousands by filing date | |
| Intuitive Surgical,Inc. | 46120E602 | COM | 39,500 | $21,573,000 | thousands by filing date | |
| NEUROCRINE BIOSCIENCES INC | 64125C109 | COM | 377,500 | $21,355,000 | thousands by filing date | |
| PACIRA BIOSCIENCES INC COM | 695127100 | Stock | 260,000 | $19,965,000 | thousands by filing date | |
| CIGNA CORPORATION | 125509109 | COM | 122,000 | $17,852,000 | thousands by filing date | |
| TESARO INC | 881569107 | COM | 334,000 | $17,475,000 | thousands by filing date | |
| PROTHENA CORP PLC SHS | G72800108 | Stock | 248,000 | $16,891,000 | thousands by filing date | |
| Elevance Health, Inc. | 036752103 | COM | 120,800 | $16,844,000 | thousands by filing date | |
| WELLCARE HEALTH PLANS INC | 94946T106 | COM | 214,500 | $16,776,000 | thousands by filing date | |
| BIOGEN INC COM | 09062X103 | Stock | 50,650 | $15,517,000 | thousands by filing date | |
| MCKESSON CORP COM | 58155Q103 | Stock | 72,500 | $14,299,000 | thousands by filing date | |
| Thermo Fisher Scientific Inc. | 883556102 | COM | 100,000 | $14,185,000 | thousands by filing date | |
| PEDIATRIX MEDICAL GROUP INC | 58502B106 | COM | 193,000 | $13,830,000 | thousands by filing date | |
| INCYTE CORP COM | 45337C102 | Stock | 127,000 | $13,773,000 | thousands by filing date | |
| LAKEFRONT BIOTHERAPEUTICS NV | 36315X101 | SPON ADR | 210,000 | $13,205,000 | thousands by filing date | |
| Amgen Inc. | 031162100 | COM | 80,900 | $13,132,000 | thousands by filing date | |
| RETROPHIN INC | 761299106 | COM | 675,000 | $13,021,000 | thousands by filing date | |
| ARDELYX INC | 039697107 | COM | 682,500 | $12,367,000 | thousands by filing date | |
| THERAPEUTICSMD INC | 88338N107 | COM | 1,185,000 | $12,288,000 | thousands by filing date | |
| ACHILLION PHARMACEUTICALS IN | 00448Q201 | COM | 1,105,000 | $11,923,000 | thousands by filing date | |
| ULTRAGENYX PHARMACEUTICAL IN | 90400D108 | COM | 105,500 | $11,835,000 | thousands by filing date | |
| CHINOOK THERAPEUTICS INC. | 00739L101 | Common Stock | 415,000 | $11,678,000 | thousands by filing date | |
| PRA HEALTH SCIENCES INC | 69354M108 | COM | 253,000 | $11,453,000 | thousands by filing date | |
| JAZZ PHARMACEUTICALS PLC SHS USD | G50871105 | Stock | 80,300 | $11,287,000 | thousands by filing date | |
| PENUMBRA INC COM | 70975L107 | Stock | 205,000 | $11,031,000 | thousands by filing date | |
| WRIGHT MED GROUP N V | N96617118 | ORD SHS | 456,000 | $11,026,000 | thousands by filing date | |
| THERAVANCE BIOPHARMA INC | G8807B106 | COM | 645,000 | $10,572,000 | thousands by filing date | |
| DERMIRA INC | 24983L104 | COM | 290,000 | $10,037,000 | thousands by filing date | |
| INSYS THERAPEUTICS INC | 45824V209 | COMMON STOCK | 338,500 | $9,691,000 | thousands by filing date | |
| INTRA-CELLULAR THERAPIES INC | 46116X101 | COMMON STOCK | 180,000 | $9,682,000 | thousands by filing date | |
| CARDIOME PHARMA CORP | 14159U301 | COM NO PAR | 1,190,000 | $9,651,000 | thousands by filing date | |
| CHIASMA INC | 16706W102 | COM | 487,500 | $9,540,000 | thousands by filing date | |
| IDEXX LABS INC COM | 45168D104 | Stock | 127,500 | $9,297,000 | thousands by filing date | |
| ADAPTIMMUNE THERAPEUTICS PLC | 00653A107 | SPONDS ADR | 765,001 | $9,226,000 | thousands by filing date | |
| Vertex Pharmaceuticals Incorporated | 92532F100 | COM | 72,750 | $9,154,000 | thousands by filing date | |
| ANACOR PHARMACEUTICALS INC | 032420101 | COM | 77,000 | $8,699,000 | thousands by filing date | |
| JUNO THERAPEUTICS INC | 48205A109 | COM | 197,001 | $8,662,000 | thousands by filing date | |
| SERES THERAPEUTICS INC | 81750R102 | COM | 245,400 | $8,611,000 | thousands by filing date | |
| VALEANT PHARMACEUTICALS INTL | 91911K102 | COM | 83,700 | $8,508,000 | thousands by filing date | |
| PORTOLA PHARMACEUTICALS INC COM | 737010108 | Stock | 165,000 | $8,489,000 | thousands by filing date | |
| INOVALON HLDGS INC | 45781D101 | COM CL A | 477,300 | $8,114,000 | thousands by filing date | |
| HEARTWARE INTL INC | 422368100 | COM | 160,669 | $8,098,000 | thousands by filing date | |
| GW PHARMACEUTICALS PLC | 36197T103 | ADS | 116,000 | $8,055,000 | thousands by filing date | |
| INSMED INC COM PAR $.01 | 457669307 | Stock | 432,500 | $7,850,000 | thousands by filing date | |
| INTERSECT ENT INC | 46071F103 | COM | 337,293 | $7,589,000 | thousands by filing date | |
| RTI BIOLOGICS INC | 74975N105 | COM | 1,860,000 | $7,384,000 | thousands by filing date | |
| BIOMARIN PHARMACEUTICAL INC | 09061G101 | COM | 70,000 | $7,333,000 | thousands by filing date | |
| RELYPSA INC | 759531106 | Common Stock | 252,000 | $7,142,000 | thousands by filing date | |
| NOVADAQ TECHNOLOGIES INC COMMON | 66987G102 | COM | 540,000 | $6,880,000 | thousands by filing date | |
| HEALTHSOUTH CORP | 421924309 | COM NEW | 195,000 | $6,788,000 | thousands by filing date | |
| MACROGENICS INC | 556099109 | COM | 218,000 | $6,751,000 | thousands by filing date | |
| Tandem Diabetes Care, Inc. | 875372104 | COM | 562,500 | $6,643,000 | thousands by filing date | |
| COHERUS ONCOLOGY INC | 19249H103 | COM | 282,000 | $6,475,000 | thousands by filing date | |
| NOVAVAX INC | 670002104 | COMMON STOCK | 770,000 | $6,460,000 | thousands by filing date | |
| ENVISION HEALTHCARE HLDGS IN | 29413U103 | COM | 245,000 | $6,363,000 | thousands by filing date | |
| ATHENAHEALTH INC | 04685W103 | COMMON STOCK | 39,500 | $6,358,000 | thousands by filing date | |
| XENOPORT INC | 98411C100 | COM | 1,100,000 | $6,039,000 | thousands by filing date | |
| REGENERON PHARMACEUTICALS COM | 75886F107 | Stock | 11,000 | $5,972,000 | thousands by filing date | |
| EPIZYME INC | 29428V104 | COM | 370,000 | $5,927,000 | thousands by filing date | |
| THE COOPER COMPANIES | 216648402 | COM NEW | 44,000 | $5,905,000 | thousands by filing date | |
| FIBROGEN INC | 31572Q808 | COM | 190,000 | $5,789,000 | thousands by filing date | |
| CHINA CORD BLOOD CORP | G21107100 | COM | 880,000 | $5,606,000 | thousands by filing date | |
| FIVE PRIME THERAPEUTICS INC. | 33830X104 | Common Stock | 135,000 | $5,603,000 | thousands by filing date | |
| AMICUS THERAPEUTICS INC | 03152W109 | COM | 566,500 | $5,495,000 | thousands by filing date | |
| OTONOMY INC | 68906L105 | COM | 197,500 | $5,481,000 | thousands by filing date | |
| AbbVie,Inc. | 00287Y109 | COM | 87,500 | $5,184,000 | thousands by filing date | |
| COMPUGEN LTD | M25722105 | ORD | 805,000 | $5,144,000 | thousands by filing date | |
| ALLERGAN PLC | G0177J116 | PFD CONV SER A | 5,000 | $5,136,000 | thousands by filing date | |
| INVITAE CORP | 46185L103 | COM | 622,900 | $5,114,000 | thousands by filing date | |
| ASCENDIS PHARMA A/S DKK 1.0 AD | 04351P101 | SPONSORED ADR | 270,000 | $4,946,000 | thousands by filing date | |
| KITE PHARMA INC | 49803L109 | COM | 80,000 | $4,930,000 | thousands by filing date | |
| ENDOCHOICE HLDGS INC COM | 29272U103 | COM | 590,000 | $4,927,000 | thousands by filing date | |
| NOVOCURE LTD | G6674U108 | ORD SHS | 214,316 | $4,792,000 | thousands by filing date | |
| AIMMUNE THERAPEUTICS INC. | 00900T107 | Common Stock | 259,646 | $4,790,000 | thousands by filing date | |
| DYAX CORP | 26746E103 | COM | 124,000 | $4,665,000 | thousands by filing date | |
| CLOVIS ONCOLOGY INC | 189464100 | COM | 125,000 | $4,375,000 | thousands by filing date | |
| PERRIGO CO PLC SHS | G97822103 | Stock | 30,000 | $4,341,000 | thousands by filing date | |
| CIDARA THERAPEUTICS INC COM NEW | 171757107 | Stock | 250,000 | $4,290,000 | thousands by filing date | |
| SAREPTA THERAPEUTICS INC | 803607100 | COM | 107,500 | $4,147,000 | thousands by filing date | |
| ATYR PHARMA INC | 002120103 | COM | 415,196 | $4,081,000 | thousands by filing date | |
| SCYNEXIS INC COM NEW | 811292101 | Common Stock | 635,000 | $3,943,000 | thousands by filing date | |
| NIVALIS THERAPEUTICS INC | 65481J109 | COM | 489,000 | $3,785,000 | thousands by filing date | |
| DYNAVAX TECHNOLOGIES CORP | 268158201 | COM NEW | 150,000 | $3,624,000 | thousands by filing date | |
| RIGEL PHARMACEUTICALS INC | 766559603 | COMMON STOCK | 1,100,000 | $3,333,000 | thousands by filing date | |
| EGALET CORP | 28226B104 | COM | 300,000 | $3,306,000 | thousands by filing date | |
| DIMENSION THERAPEUTICS INC | 25433V105 | COM | 271,370 | $3,061,000 | thousands by filing date | |
| OREXIGEN THERAPEUTICS INC | 686164104 | COMMON STOCK | 1,650,000 | $2,838,000 | thousands by filing date | |
| ASSEMBLY BIOSCIENCES INC | 045396108 | COM | 371,000 | $2,786,000 | thousands by filing date | |
| GENOCEA BIOSCIENCES INC | 372427104 | COM | 480,000 | $2,530,000 | thousands by filing date | |
| INTERCEPT PHARMACEUTICALS IN | 45845P108 | COM | 15,500 | $2,315,000 | thousands by filing date | |
| GLOBAL BLOOD THERAPEUTICS USD | 37890U108 | COM | 70,500 | $2,279,000 | thousands by filing date | |
| NABRIVA THERAPEUTICS AG | 62957M104 | SPONSORED ADR | 235,000 | $2,244,000 | thousands by filing date | |
| SAREPTA THERAPEUTICS INC | 803607100 | COM | 53,300 | $2,056,000 | thousands by filing date | call |
| TETRAPHASE PHARMACEUTICALS INC | 88165N105 | COMMON STOCK | 200,000 | $2,006,000 | thousands by filing date | |
| ANTHERA PHARMACEUTCLS INC | 03674U201 | Common equity shares | 380,000 | $1,763,000 | thousands by filing date | |
| CERULEAN PHARMA INC | 15708Q105 | COM | 625,000 | $1,750,000 | thousands by filing date | |
| INFINITY PHARMACEUTICALS INC | 45665G303 | COM | 215,000 | $1,688,000 | thousands by filing date | |
| BLUEBIRD BIO INC | 09609G100 | COM | 20,000 | $1,284,000 | thousands by filing date | |
| SOPHIRIS BIO INC F | 83578Q209 | FOREIGN CANADIAN | 628,563 | $1,138,000 | thousands by filing date | |
| SYNLOGIC | 60470J103 | Stock | 150,000 | $938,000 | thousands by filing date | |
| DBV TECHNOLOGIES S A | 23306J101 | ADR | 25,000 | $908,000 | thousands by filing date | |
| PUMA BIOTECHNOLOGY INC | 74587V107 | COMMON STOCK | 11,000 | $862,000 | thousands by filing date | |
| PARATEK PHARMACEUTICALS INC | 699374302 | Equity | 30,827 | $585,000 | thousands by filing date | |
| ARATANA THERAPEUTICS INC | 03874P101 | COM | 43,445 | $242,000 | thousands by filing date |
Amendment chain
| Filing | Role | Filed | Accepted | Ingested |
|---|---|---|---|---|
| 13F-HR 0001172661-16-002886 | this filing | 2016-02-16 | acceptance time not in the bulk data set |