Rock-Springs-Capital-Management-Lp

AI_NATIVE detailed information: This accession holds the following tickers:[
  "MRUS",
  "AKRO",
  "NUVL",
  "ASND",
  "INSM",
  "NAMS",
  "RVMD",
  "ARGX",
  "INSP",
  "ACHC",
  "EXAS",
  "MDGL",
  "APLS",
  "ALNY",
  "FOLD",
  "EVH",
  "BSX",
  "NVAX",
  "MREO",
  null,
  "BCAX",
  "GPCR",
  "CATX",
  "MIRM",
  "TVTX",
  "LENZ",
  "SMMT",
  "MLYS",
  "KYMR",
  "PHVS",
  "LEGN",
  "PRTA",
  "NGNE",
  "AGL",
  "AMLX",
  "JANX",
  "APLT",
  "SRRK",
  "OSCR",
  "ISRG",
  "TARS",
  "NBIX",
  "JSPR",
  "KRRO",
  "MGNX",
  "MRSN",
  null,
  "LUNG",
  "SGMT",
  null,
  "ZBIO",
  "EDAP",
  null,
  "ACRS",
  null,
  "UNH",
  "REGN",
  "AGIO",
  "ATEC",
  "PHR",
  "PLRX",
  "RYTM",
  "SLNO",
  "ADAP",
  "ETNB",
  "DYN",
  "ARDX",
  null,
  "SPRB",
  "GOSS",
  "EW",
  "SRPT",
  "PEN",
  "THC",
  "CGEN",
  "ELVN",
  "INZY",
  "VIGL",
  "WRBY",
  "WST",
  "XENE",
  "ZLAB",
  "VERA",
  "RARE",
  "IMVT",
  "IRTC",
  "AZTA",
  "BEAM",
  "BCRX",
  "BPMC",
  "CLDX",
  "CMPX",
  "CGEM",
  "DHR",
  "DXCM",
  "LLY"
]

Filing Details

13F-HR • 2025-03-31

SEC FilingSEC DataHachi Filing

Report Date: 2025-03-31
Filing Date: 2025-05-15
Total Holdings: 96
Total Value: 1747790415
Accession Number: 0001172661-25-001953
Form Type: 13F-HR
CIK: rock-springs-capital-management-lp
Manager Name: Rock-Springs-Capital-Management-Lp

Data Enrichment

94% identified

90 identified6 unidentified

Holdings

SEC FilingSEC DataHachi Filing

Manager:

96 positions • $1.7B total value

SEC FilingSEC DataHachi Filing

Manager:

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BIOCRYST PHARMACEUTICALS INC

BCRX|09058V103

Shares:222.0K

Value:$1.7M

% of Portfolio:0.1% ($1.7M/$1.7B)

MACROGENICS INC

MGNX|556099109

Shares:1.1M

Value:$1.5M

% of Portfolio:0.1% ($1.5M/$1.7B)

COMPUGEN LTD

CGEN|M25722105

Shares:990.0K

Value:$1.4M

% of Portfolio:0.1% ($1.4M/$1.7B)

Mersana Therapeutics, Inc.

MRSN|59045L106

Shares:3.8M

Value:$1.3M

% of Portfolio:0.1% ($1.3M/$1.7B)

Neurogene Inc.

NGNE|64135M105

Shares:104.3K

Value:$1.2M

% of Portfolio:0.1% ($1.2M/$1.7B)

Amylyx Pharmaceuticals, Inc.

AMLX|03237H101

Shares:343.2K

Value:$1.2M

% of Portfolio:0.1% ($1.2M/$1.7B)

829401108

Shares:99.4K

Value:$1.0M

% of Portfolio:0.1% ($1.0M/$1.7B)

Applied Therapeutics, Inc.

APLT|03828A101

Shares:2.1M

Value:$1.0M

% of Portfolio:0.1% ($1.0M/$1.7B)

Perspective Therapeutics, Inc.

CATX|46489V302

Shares:444.4K

Value:$946.5K

% of Portfolio:0.1% ($946.5K/$1.7B)

Vigil Neuroscience, Inc.

VIGL|92673K108

Shares:472.0K

Value:$840.1K

% of Portfolio:0.0% ($840.1K/$1.7B)

PLIANT THERAPEUTICS, INC.

PLRX|729139105

Shares:590.0K

Value:$796.5K

% of Portfolio:0.0% ($796.5K/$1.7B)

SPRUCE BIOSCIENCES, INC.

SPRB|85209E109

Shares:2.6M

Value:$756.9K

% of Portfolio:0.0% ($756.9K/$1.7B)

Korro Bio, Inc.

KRRO|500946108

Shares:35.7K

Value:$621.9K

% of Portfolio:0.0% ($621.9K/$1.7B)

Adaptimmune Therapeutics PLC

ADAP|00653A107

Shares:2.5M

Value:$489.2K

% of Portfolio:0.0% ($489.2K/$1.7B)

00444T209

Shares:316.5K

Value:$156.6K

% of Portfolio:0.0% ($156.6K/$1.7B)

67080N119

Shares:134.0K

Value:$32.0K

% of Portfolio:0.0% ($32.0K/$1.7B)

Instrument	Shares		Other Manager	Value	% of Portfolio
BIOCRYST PHARMACEUTICALS INC(BCRXcusip09058V103)	222.0K	QoQ -91.70% (-2.5M) YoY -93.65% (-3.3M)	All Managers (Combined)	$1.7M	0.1% ($1.7M/$1.7B)	QoQ -91.73% (-$18.5M) YoY -90.62% (-$16.1M)
MACROGENICS INC(MGNXcusip556099109)	1.1M	QoQ +8.69% (-91.6K) YoY -12.26% (-160.0K)	All Managers (Combined)	$1.5M	0.1% ($1.5M/$1.7B)	QoQ -57.52% (-$2.0M) YoY -92.43% (-$17.8M)
COMPUGEN LTD(CGENcusipM25722105)	990.0K	QoQ 0.00% (-0) YoY -23.25% (-300.0K)	All Managers (Combined)	$1.4M	0.1% ($1.4M/$1.7B)	QoQ -4.57% (-$69.3K) YoY -56.57% (-$1.9M)
Mersana Therapeutics, Inc.(MRSNcusip59045L106)	3.8M	QoQ +11.16% (-383.0K) YoY +25.20% (-767.9K)	All Managers (Combined)	$1.3M	0.1% ($1.3M/$1.7B)	QoQ -73.24% (-$3.6M) YoY -90.38% (-$12.3M)
Neurogene Inc.(NGNEcusip64135M105)	104.3K	QoQ +9.36% (-8.9K) YoY NEW(+104.3K)	All Managers (Combined)	$1.2M	0.1% ($1.2M/$1.7B)	QoQ -43.97% (-$959.2K) YoY NEW(+$1.2M)
Amylyx Pharmaceuticals, Inc.(AMLXcusip03237H101)	343.2K	QoQ NEW(+343.2K) YoY -66.06% (-668.2K)	All Managers (Combined)	$1.2M	0.1% ($1.2M/$1.7B)	QoQ NEW(+$1.2M) YoY -57.70% (-$1.7M)
(cusip829401108)✕	99.4K	QoQ NEW(+99.4K) YoY NEW(+99.4K)	All Managers (Combined)	$1.0M	0.1% ($1.0M/$1.7B)	QoQ NEW(+$1.0M) YoY NEW(+$1.0M)
Applied Therapeutics, Inc.(APLTcusip03828A101)	2.1M	QoQ +8.22% (-157.7K) YoY +38.51% (-577.0K)	All Managers (Combined)	$1.0M	0.1% ($1.0M/$1.7B)	QoQ -38.20% (-$627.1K) YoY -90.04% (-$9.2M)
Perspective Therapeutics, Inc.(CATXcusip46489V302)	444.4K	QoQ 0.00% (-0) YoY NEW(+444.4K)	All Managers (Combined)	$946.5K	0.1% ($946.5K/$1.7B)	QoQ -33.22% (-$471.0K) YoY NEW(+$946.5K)
Vigil Neuroscience, Inc.(VIGLcusip92673K108)	472.0K	QoQ 0.00% (+0) YoY 0.00% (-0)	All Managers (Combined)	$840.1K	0.0% ($840.1K/$1.7B)	QoQ +4.70% (+$37.8K) YoY -47.80% (-$769.3K)
PLIANT THERAPEUTICS, INC.(PLRXcusip729139105)	590.0K	QoQ +45.75% (-185.2K) YoY +53.24% (-205.0K)	All Managers (Combined)	$796.5K	0.0% ($796.5K/$1.7B)	QoQ -85.05% (-$4.5M) YoY -86.11% (-$4.9M)
SPRUCE BIOSCIENCES, INC.(SPRBcusip85209E109)	2.6M	QoQ 0.00% (-0) YoY 0.00% (-0)	All Managers (Combined)	$756.9K	0.0% ($756.9K/$1.7B)	QoQ -30.92% (-$338.9K) YoY -63.08% (-$1.3M)
Korro Bio, Inc.(KRROcusip500946108)	35.7K	QoQ 0.00% (-0) YoY NEW(+35.7K)	All Managers (Combined)	$621.9K	0.0% ($621.9K/$1.7B)	QoQ -54.26% (-$738.0K) YoY NEW(+$621.9K)
Adaptimmune Therapeutics PLC(ADAPcusip00653A107)	2.5M	QoQ 0.00% (-0) YoY +2.39% (-58.0K)	All Managers (Combined)	$489.2K	0.0% ($489.2K/$1.7B)	QoQ -63.43% (-$848.6K) YoY -87.23% (-$3.3M)
(cusip00444T209)✕	316.5K	QoQ 0.00% (-0) YoY 0.00% (-0)	All Managers (Combined)	$156.6K	0.0% ($156.6K/$1.7B)	QoQ -5.55% (-$9.2K) YoY -51.94% (-$169.3K)
(cusip67080N119)✕	134.0K	QoQ 0.00% (+0) YoY 0.00% (-0)	All Managers (Combined)	$32.0K	0.0% ($32.0K/$1.7B)	QoQ +3.80% (+$1.2K) YoY -21.07% (-$8.5K)