Rock Springs Capital Management LP Diversified Active

CIK: 0001595725 · Show all filings

Period: Q4 2025 (← Previous)

Filing Date: Feb 17, 2026

Total Value ($000): $1,950,204 (99.7% shares, 0.3% debt)

Holdings (99)

New Positions (18)

UNH UNITEDHEALTH GROUP INC 0.7%
Value ($000) $13,468 Shares 40,800 Est. Cost $337.21 Unrealized 0.0%
IMNM IMMUNOME INC 0.4%
Value ($000) $7,468 Shares 347,666 Est. Cost $17.55 Unrealized 0.0%
RAPT RAPT THERAPEUTICS INC 0.4%
Value ($000) $7,239 Shares 213,731 Est. Cost $31.06 Unrealized 0.0%
SGRY SURGERY PARTNERS INC 0.2%
Value ($000) $4,790 Shares 310,000 Est. Cost $18.38 Unrealized 0.0%
PTCT PTC THERAPEUTICS INC 0.2%
Value ($000) $4,700 Shares 61,879 Est. Cost $72.67 Unrealized 0.0%
TERN TERNS PHARMACEUTICALS INC 0.2%
Value ($000) $4,383 Shares 108,481 Est. Cost $23.11 Unrealized 0.0%
RCUS ARCUS BIOSCIENCES INC 0.2%
Value ($000) $4,289 Shares 180,000 Est. Cost $20.40 Unrealized 0.0%
TBPH THERAVANCE BIOPHARMA INC 0.2%
Value ($000) $3,906 Shares 208,771 Est. Cost $16.59 Unrealized 0.0%
INDIVIOR PLC 0.2%
Value ($000) $3,771 Shares 105,100 Est. Cost $35.88 Unrealized
ERAS ERASCA INC 0.2%
Value ($000) $3,540 Shares 951,710 Est. Cost $2.81 Unrealized 0.0%
TNGX TANGO THERAPEUTICS INC 0.2%
Value ($000) $3,428 Shares 386,915 Est. Cost $8.62 Unrealized 0.0%
OLMA OLEMA PHARMACEUTICALS INC 0.1%
Value ($000) $2,456 Shares 98,240 Est. Cost $17.79 Unrealized 0.0%
CYTK CYTOKINETICS INC 0.1%
Value ($000) $2,278 Shares 35,853 Est. Cost $62.21 Unrealized 0.0%
ROIV ROIVANT SCIENCES LTD 0.1%
Value ($000) $1,926 Shares 88,750 Est. Cost $19.73 Unrealized 0.0%
CORT CORCEPT THERAPEUTICS INC 0.1%
Value ($000) $1,749 Shares 50,250 Est. Cost $78.55 Unrealized 0.0%
TEVA TEVA PHARMACEUTICAL INDS LTD 0.1%
Value ($000) $1,420 Shares 45,500 Est. Cost $31.21 Unrealized
LEGN LEGEND BIOTECH CORP 0.0%
Value ($000) $735 Shares 33,800 Est. Cost $21.74 Unrealized
JAZZ JAZZ PHARMACEUTICALS PLC 0.0%
Value ($000) $298 Shares 1,750 Est. Cost $153.31 Unrealized 0.0%

Increased Positions (30)

TVTX TRAVERE THERAPEUTICS INC 4.3%
Value ($000) $84,456 (+63.2%) Shares 2,210,322 (+2.1%) Est. Cost $14.26 Unrealized +128.0%
EXAS EXACT SCIENCES CORP 3.1%
Value ($000) $61,119 (+88.2%) Shares 601,800 (+1.4%) Est. Cost $54.04 Unrealized +48.6%
MDGL MADRIGAL PHARMACEUTICALS INC 4.2%
Value ($000) $81,305 (+28.7%) Shares 139,618 (+1.4%) Est. Cost $123.32 Unrealized +314.2%
KYMR KYMERA THERAPEUTICS INC 2.0%
Value ($000) $38,662 (+51.7%) Shares 496,871 (+10.3%) Est. Cost $34.27 Unrealized +97.0%
ZLAB ZAI LAB LTD 0.7%
Value ($000) $14,316 (-46.6%) Shares 811,546 (+2.6%) Est. Cost $50.50 Unrealized
XBI SPDR SERIES TRUST 1.4%
Value ($000) $27,068 (+78.0%) Shares 222,000 (+46.3%) Est. Cost $95.27 Unrealized
RARE ULTRAGENYX PHARMACEUTICAL IN 1.5%
Value ($000) $29,147 (-22.3%) Shares 1,267,241 (+1.7%) Est. Cost $57.80 Unrealized -43.1%
DYN DYNE THERAPEUTICS INC 0.9%
Value ($000) $17,857 (+71.3%) Shares 912,955 (+10.8%) Est. Cost $18.27 Unrealized +3.7%
LENZ LENZ THERAPEUTICS INC 0.2%
Value ($000) $4,119 (-62.6%) Shares 257,460 (+9.0%) Est. Cost $32.86 Unrealized -11.3%
CNTA CENTESSA PHARMACEUTICALS PLC 0.4%
Value ($000) $8,104 (+382.6%) Shares 324,015 (+368.0%) Est. Cost $24.85 Unrealized
NBIX NEUROCRINE BIOSCIENCES INC 0.9%
Value ($000) $17,800 (+41.3%) Shares 125,500 (+39.8%) Est. Cost $97.62 Unrealized +48.4%
EYPT EYEPOINT INC 0.2%
Value ($000) $4,727 (+948.7%) Shares 258,739 (+717.4%) Est. Cost $13.85 Unrealized +2.3%
INSP INSPIRE MED SYS INC 0.6%
Value ($000) $12,082 (+47.4%) Shares 131,000 (+18.6%) Est. Cost $178.69 Unrealized -46.5%
BBIO BRIDGEBIO PHARMA INC 0.4%
Value ($000) $7,917 (+79.3%) Shares 103,500 (+21.8%) Est. Cost $51.79 Unrealized +26.8%
AZTA AZENTA INC 1.0%
Value ($000) $18,928 (+22.0%) Shares 569,100 (+5.3%) Est. Cost $56.45 Unrealized -42.1%
BSX BOSTON SCIENTIFIC CORP 2.0%
Value ($000) $38,049 (+8.2%) Shares 399,050 (+10.8%) Est. Cost $67.08 Unrealized +46.1%
PHR PHREESIA INC 0.8%
Value ($000) $14,832 (-15.8%) Shares 876,600 (+17.0%) Est. Cost $25.15 Unrealized -18.0%
PCVX VAXCYTE INC 0.1%
Value ($000) $2,169 (+442.4%) Shares 47,000 (+323.4%) Est. Cost $41.90 Unrealized +6.7%
ELVN ENLIVEN THERAPEUTICS INC 0.6%
Value ($000) $12,295 (-12.5%) Shares 798,405 (+16.4%) Est. Cost $17.30 Unrealized +15.1%
DXCM DEXCOM INC 1.2%
Value ($000) $23,050 (+8.1%) Shares 347,300 (+9.6%) Est. Cost $90.94 Unrealized -28.9%
APLS APELLIS PHARMACEUTICALS INC 0.2%
Value ($000) $3,781 (+81.6%) Shares 150,500 (+63.6%) Est. Cost $34.91 Unrealized -32.8%
BCAX BICARA THERAPEUTICS INC 0.4%
Value ($000) $7,222 (+23.4%) Shares 429,095 (+15.8%) Est. Cost $23.20 Unrealized -26.4%
EDAP EDAP TMS S A 0.2%
Value ($000) $4,233 (+45.5%) Shares 1,286,500 (+1.3%) Est. Cost $7.18 Unrealized
SLNO SOLENO THERAPEUTICS INC 0.6%
Value ($000) $11,439 (+9.5%) Shares 247,053 (+59.9%) Est. Cost $55.78 Unrealized -1.7%
ALKS ALKERMES PLC 0.2%
Value ($000) $3,896 (+21.9%) Shares 139,228 (+30.7%) Est. Cost $28.61 Unrealized +4.7%
OCUL OCULAR THERAPEUTIX INC 0.2%
Value ($000) $4,198 (+19.7%) Shares 345,820 (+15.3%) Est. Cost $11.98 Unrealized +1.4%
MLTX MOONLAKE IMMUNOTHERAPEUTICS 0.0%
Value ($000) $813 (+302.2%) Shares 61,700 (+118.8%) Est. Cost $30.23 Unrealized -61.0%
HTFL HEARTFLOW INC 0.4%
Value ($000) $8,095 (-3.8%) Shares 277,700 (+11.1%) Est. Cost $32.24 Unrealized -0.1%
JANX JANUX THERAPEUTICS INC 0.3%
Value ($000) $4,951 (-3.7%) Shares 358,798 (+70.6%) Est. Cost $40.31 Unrealized -41.7%
MLYS MINERALYS THERAPEUTICS INC 0.8%
Value ($000) $15,517 (+0.2%) Shares 427,596 (+4.7%) Est. Cost $14.80 Unrealized +170.9%

Exited Positions (12)

Decreased Positions (26)

GPCR STRUCTURE THERAPEUTICS INC 2.7%
Value ($000) $52,040 (+95.4%) Shares 748,236 (-21.3%) Est. Cost $39.12 Unrealized
CIDARA THERAPEUTICS INC 2.3%
Value ($000) $45,256 (+89.5%) Shares 204,878 (-17.9%) Est. Cost $70.46 Unrealized
ARGX ARGENX SE 4.5%
Value ($000) $86,828 (-17.5%) Shares 103,250 (-27.7%) Est. Cost $160.49 Unrealized
AGIO AGIOS PHARMACEUTICALS INC 1.1%
Value ($000) $21,753 (-43.5%) Shares 799,163 (-16.6%) Est. Cost $33.80 Unrealized +3.8%
COGT COGENT BIOSCIENCES INC 1.5%
Value ($000) $30,158 (+108.3%) Shares 849,030 (-15.8%) Est. Cost $6.84 Unrealized +310.7%
EVH EVOLENT HEALTH INC 0.5%
Value ($000) $10,700 (-57.1%) Shares 2,675,000 (-9.3%) Est. Cost $20.50 Unrealized -72.9%
VERA VERA THERAPEUTICS INC 1.5%
Value ($000) $28,793 (+60.5%) Shares 568,579 (-7.9%) Est. Cost $35.12 Unrealized +1.1%
OMDA OMADA HEALTH INC 0.6%
Value ($000) $11,677 (-42.6%) Shares 740,000 (-19.6%) Est. Cost $17.31 Unrealized +17.2%
ALNY ALNYLAM PHARMACEUTICALS INC 1.5%
Value ($000) $28,333 (-16.3%) Shares 71,250 (-4.0%) Est. Cost $107.54 Unrealized +311.5%
CAI CARIS LIFE SCIENCES INC 1.0%
Value ($000) $18,549 (-22.7%) Shares 687,500 (-13.4%) Est. Cost $26.95 Unrealized +4.5%
CMPX COMPASS THERAPEUTICS INC 1.1%
Value ($000) $21,089 (+34.7%) Shares 3,927,202 (-12.2%) Est. Cost $3.23 Unrealized +43.1%
ZBIO ZENAS BIOPHARMA INC 0.9%
Value ($000) $18,230 (+41.4%) Shares 502,077 (-13.5%) Est. Cost $17.98 Unrealized +82.9%
ACRS ACLARIS THERAPEUTICS INC 0.7%
Value ($000) $13,406 (+53.1%) Shares 4,453,741 (-3.4%) Est. Cost $6.19 Unrealized -59.2%
TARS TARSUS PHARMACEUTICALS INC 1.1%
Value ($000) $21,317 (+24.4%) Shares 260,344 (-9.7%) Est. Cost $48.01 Unrealized +55.5%
ACLX ARCELLX INC 0.6%
Value ($000) $11,075 (-24.6%) Shares 169,859 (-5.1%) Est. Cost $62.26 Unrealized +28.1%
SRRK SCHOLAR ROCK HLDG CORP 1.7%
Value ($000) $32,310 (+9.3%) Shares 733,477 (-7.6%) Est. Cost $32.85 Unrealized +14.2%
AGL AGILON HEALTH INC 0.2%
Value ($000) $4,477 (-37.6%) Shares 6,500,000 (-6.7%) Est. Cost $29.66 Unrealized -97.4%
NAMS NEWAMSTERDAM PHARMA COMPANY 1.0%
Value ($000) $19,546 (+15.3%) Shares 557,194 (-6.5%) Est. Cost $19.88 Unrealized +83.0%
ACHC ACADIA HEALTHCARE COMPANY IN 0.1%
Value ($000) $1,703 (-59.5%) Shares 120,000 (-29.4%) Est. Cost $53.71 Unrealized -64.8%
RYTM RHYTHM PHARMACEUTICALS INC 3.8%
Value ($000) $74,394 (+2.7%) Shares 695,010 (-3.1%) Est. Cost $17.22 Unrealized +516.0%
REGN REGENERON PHARMACEUTICALS 0.4%
Value ($000) $7,796 (+22.7%) Shares 10,100 (-10.6%) Est. Cost $587.92 Unrealized +15.4%
XENE XENON PHARMACEUTICALS INC 1.8%
Value ($000) $35,309 (+3.2%) Shares 787,788 (-7.5%) Est. Cost $24.19 Unrealized +73.6%
ASND ASCENDIS PHARMA A/S 2.2%
Value ($000) $43,394 (+1.8%) Shares 203,500 (-5.1%) Est. Cost $92.14 Unrealized
EW EDWARDS LIFESCIENCES CORP 0.4%
Value ($000) $7,033 (+2.8%) Shares 82,500 (-6.3%) Est. Cost $63.05 Unrealized +30.2%
CLDX CELLDEX THERAPEUTICS INC NEW 1.0%
Value ($000) $18,809 (+0.8%) Shares 692,538 (-4.0%) Est. Cost $32.64 Unrealized -19.3%
INSM INSMED INC 2.8%
Value ($000) $55,562 (+0.2%) Shares 319,250 (-17.1%) Est. Cost $39.44 Unrealized +362.7%

Unchanged Positions (25)

RVMD REVOLUTION MEDICINES INC 5.5%
Value ($000) $106,354 Shares 1,335,270 Est. Cost $31.87 Unrealized +105.7%
LLY ELI LILLY & CO 5.8%
Value ($000) $113,271 Shares 105,400 Est. Cost $683.47 Unrealized +39.8%
FOLD AMICUS THERAPEUTICS INC 1.4%
Value ($000) $27,482 Shares 1,929,931 Est. Cost $10.81 Unrealized -9.1%
ISRG INTUITIVE SURGICAL INC 2.4%
Value ($000) $46,442 Shares 82,000 Est. Cost $264.69 Unrealized +101.1%
PEN PENUMBRA INC 1.9%
Value ($000) $37,465 Shares 120,500 Est. Cost $179.03 Unrealized +54.3%
MIRM MIRUM PHARMACEUTICALS INC 3.1%
Value ($000) $60,214 Shares 762,294 Est. Cost $14.67 Unrealized +389.4%
MBX MBX BIOSCIENCES INC 0.5%
Value ($000) $8,914 Shares 282,624 Est. Cost $13.37 Unrealized +81.5%
MERSANA THERAPEUTICS INC 0.2%
Value ($000) $4,414 Shares 152,586 Est. Cost $7.76 Unrealized
SMMT SUMMIT THERAPEUTICS INC 0.6%
Value ($000) $12,418 Shares 710,000 Est. Cost $14.06 Unrealized +33.8%
ATEC ALPHATEC HLDGS INC 0.3%
Value ($000) $6,365 Shares 302,500 Est. Cost $9.28 Unrealized +99.4%
DHR DANAHER CORPORATION 0.7%
Value ($000) $14,079 Shares 61,500 Est. Cost $216.22 Unrealized +1.5%
PHVS PHARVARIS N V 0.9%
Value ($000) $17,299 Shares 623,402 Est. Cost $26.42 Unrealized -8.8%
GOSS GOSSAMER BIO INC 0.5%
Value ($000) $10,128 Shares 3,266,960 Est. Cost $2.62 Unrealized +9.0%
IRTC IRHYTHM TECHNOLOGIES INC 2.1%
Value ($000) $41,698 Shares 235,000 Est. Cost $74.37 Unrealized +138.3%
SION SIONNA THERAPEUTICS INC 0.2%
Value ($000) $4,091 Shares 99,429 Est. Cost $16.34 Unrealized +132.1%
TMO THERMO FISHER SCIENTIFIC INC 0.3%
Value ($000) $5,795 Shares 10,000 Est. Cost $417.06 Unrealized +35.5%
TLPH TALPHERA INC 0.2%
Value ($000) $4,092 Shares 3,589,186 Est. Cost $0.78 Unrealized +55.2%
ARDX ARDELYX INC 0.7%
Value ($000) $13,406 Shares 2,299,473 Est. Cost $5.10 Unrealized +9.3%
AMLX AMYLYX PHARMACEUTICALS INC 0.3%
Value ($000) $6,037 Shares 499,764 Est. Cost $3.97 Unrealized +242.4%
JSPR JASPER THERAPEUTICS INC 0.1%
Value ($000) $2,014 Shares 1,100,726 Est. Cost $9.61 Unrealized -79.1%
THC TENET HEALTHCARE CORP 1.3%
Value ($000) $24,840 Shares 125,000 Est. Cost $148.69 Unrealized +35.9%
NGNE NEUROGENE INC 0.1%
Value ($000) $2,149 Shares 104,339 Est. Cost $35.51 Unrealized -29.9%
NAMS NEWAMSTERDAM PHARMA COMPANY 0.1%
Value ($000) $1,109 Shares 31,600 Est. Cost $19.88 Unrealized +83.0%
GOSSAMER BIO INC 0.3%
Value ($000) $6,559 Shares 9,573,000 Est. Cost $1.01 Unrealized
NUVATION BIO INC 0.0%
Value ($000) $44 Shares 134,028 Est. Cost $2.67 Unrealized