Bain Capital Life Sciences Investors, LLC

Investment Portfolio & 13F Holdings Analysis

About

Type: FundHoldings: 24Value: $675.9MLatest: 2025Q1

Bain Capital Life Sciences Investors, LLC is an institutional investment manager that filed its latest Form 13F for 2025Q1, reporting 24 holdings worth $0.7 billion. Form 13F filings provide transparency into the equity holdings of institutional investment managers with over $100 million in assets under management. This page displays the most recent portfolio holdings, allowing investors to track position changes, new investments, and portfolio composition.

AI_NATIVE detailed information: This accession holds the following tickers:[
  "NUVL",
  "NAMS",
  "ANNX",
  "TNGX",
  "OLMA",
  "SVRA",
  "PHVS",
  "IVVD",
  "KYTX",
  "MRSN",
  "NAUT",
  "RPID",
  null,
  "UPB",
  "SLDB",
  "CDTX",
  "XFOR",
  "XLO",
  "AVIR",
  "CCCC",
  "CABA",
  "IPSC",
  "DNTH",
  "IRON"
]

Filing Details

13F-HR • 2025-03-31

SEC FilingSEC DataHachi Filing

Report Date: 2025-03-31
Filing Date: 2025-05-15
Total Holdings: 24
Total Value: 675912941
Accession Number: 0000950123-25-005465
Form Type: 13F-HR
CIK: bain-capital-life-sciences-investors
Manager Name: Bain-Capital-Life-Sciences-Investors

Data Enrichment

96% identified

23 identified1 unidentified

Holdings

SEC FilingSEC DataHachi Filing

Manager:

24 positions • $675.9M total value

SEC FilingSEC DataHachi Filing

Manager:

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NewAmsterdam Pharma Co N.V.

NAMS|N62509109

Shares:10.7M

Value:$219.4M

% of Portfolio:32.5% ($219.4M/$675.9M)

Nuvalent, Inc.

NUVL|670703107

Shares:1.4M

Value:$102.6M

% of Portfolio:15.2% ($102.6M/$675.9M)

Pharvaris N.V.

PHVS|N69605108

Shares:3.3M

Value:$51.9M

% of Portfolio:7.7% ($51.9M/$675.9M)

Disc Medicine, Inc.

IRON|254604101

Shares:983.5K

Value:$48.8M

% of Portfolio:7.2% ($48.8M/$675.9M)

Dianthus Therapeutics, Inc. /DE/

DNTH|252828108

Shares:2.7M

Value:$48.8M

% of Portfolio:7.2% ($48.8M/$675.9M)

Savara Inc

SVRA|805111101

Shares:17.6M

Value:$48.8M

% of Portfolio:7.2% ($48.8M/$675.9M)

Solid Biosciences Inc.

SLDB|83422E204

Shares:7.9M

Value:$29.3M

% of Portfolio:4.3% ($29.3M/$675.9M)

Olema Pharmaceuticals, Inc.

OLMA|68062P106

Shares:6.8M

Value:$25.7M

% of Portfolio:3.8% ($25.7M/$675.9M)

RAPID MICRO BIOSYSTEMS, INC.

RPID|75340L104

Shares:8.4M

Value:$22.3M

% of Portfolio:3.3% ($22.3M/$675.9M)

Cidara Therapeutics, Inc.

CDTX|171757206

Shares:703.1K

Value:$15.1M

% of Portfolio:2.2% ($15.1M/$675.9M)

Upstream Bio, Inc.

UPB|91678A107

Shares:2.3M

Value:$14.0M

% of Portfolio:2.1% ($14.0M/$675.9M)

Annexon, Inc.

ANNX|03589W102

Shares:5.2M

Value:$10.1M

% of Portfolio:1.5% ($10.1M/$675.9M)

Atea Pharmaceuticals, Inc.

AVIR|04683R106

Shares:2.5M

Value:$7.4M

% of Portfolio:1.1% ($7.4M/$675.9M)

Kyverna Therapeutics, Inc.

KYTX|501976104

Shares:3.4M

Value:$6.5M

% of Portfolio:1.0% ($6.5M/$675.9M)

X4 Pharmaceuticals, Inc

XFOR|98420X103

Shares:16.9M

Value:$4.0M

% of Portfolio:0.6% ($4.0M/$675.9M)

Cabaletta Bio, Inc.

CABA|12674W109

Shares:2.8M

Value:$3.8M

% of Portfolio:0.6% ($3.8M/$675.9M)

Tango Therapeutics, Inc.

TNGX|87583X109

Shares:2.7M

Value:$3.7M

% of Portfolio:0.5% ($3.7M/$675.9M)

Xilio Therapeutics, Inc.

XLO|98422T100

Shares:4.6M

Value:$3.3M

% of Portfolio:0.5% ($3.3M/$675.9M)

Mersana Therapeutics, Inc.

MRSN|59045L106

Shares:8.7M

Value:$3.0M

% of Portfolio:0.4% ($3.0M/$675.9M)

Century Therapeutics, Inc.

IPSC|15673T100

Shares:5.4M

Value:$2.6M

% of Portfolio:0.4% ($2.6M/$675.9M)

Instrument	Shares		Other Manager	Value	% of Portfolio
NewAmsterdam Pharma Co N.V.(NAMScusipN62509109)	10.7M	QoQ 0.00% (-0) YoY +2.34% (-245.2K)	All Managers (Combined)	$219.4M	32.5% ($219.4M/$675.9M)	QoQ -20.35% (-$56.1M) YoY -11.41% (-$28.3M)
Nuvalent, Inc.(NUVLcusip670703107)	1.4M	QoQ 0.00% (-0) YoY -46.34% (-1.3M)	All Managers (Combined)	$102.6M	15.2% ($102.6M/$675.9M)	QoQ -9.40% (-$10.7M) YoY -49.32% (-$99.9M)
Pharvaris N.V.(PHVScusipN69605108)	3.3M	QoQ 0.00% (-0) YoY 0.00% (-0)	All Managers (Combined)	$51.9M	7.7% ($51.9M/$675.9M)	QoQ -18.10% (-$11.5M) YoY -32.06% (-$24.5M)
Disc Medicine, Inc.(IRONcusip254604101)	983.5K	QoQ 0.00% (-0) YoY -25.33% (-333.7K)	All Managers (Combined)	$48.8M	7.2% ($48.8M/$675.9M)	QoQ -21.70% (-$13.5M) YoY -40.46% (-$33.2M)
Dianthus Therapeutics, Inc. /DE/(DNTHcusip252828108)	2.7M	QoQ 0.00% (-0) YoY -10.10% (-302.3K)	All Managers (Combined)	$48.8M	7.2% ($48.8M/$675.9M)	QoQ -16.78% (-$9.8M) YoY -45.64% (-$41.0M)
Savara Inc(SVRAcusip805111101)	17.6M	QoQ +20.83% (+3.0M) YoY +20.83% (-3.0M)	All Managers (Combined)	$48.8M	7.2% ($48.8M/$675.9M)	QoQ +9.02% (+$4.0M) YoY -32.78% (-$23.8M)
Solid Biosciences Inc.(SLDBcusip83422E204)	7.9M	QoQ +96.09% (+3.9M) YoY +96.09% (-3.9M)	All Managers (Combined)	$29.3M	4.3% ($29.3M/$675.9M)	QoQ +81.38% (+$13.1M) YoY -45.52% (-$24.5M)
Olema Pharmaceuticals, Inc.(OLMAcusip68062P106)	6.8M	QoQ -8.38% (-626.3K) YoY NEW(+6.8M)	All Managers (Combined)	$25.7M	3.8% ($25.7M/$675.9M)	QoQ -40.91% (-$17.8M) YoY NEW(+$25.7M)
RAPID MICRO BIOSYSTEMS, INC.(RPIDcusip75340L104)	8.4M	QoQ 0.00% (+0) YoY 0.00% (+0)	All Managers (Combined)	$22.3M	3.3% ($22.3M/$675.9M)	QoQ +193.33% (+$14.7M) YoY +172.16% (+$14.1M)
Cidara Therapeutics, Inc.(CDTXcusip171757206)	703.1K	QoQ 0.00% (-0) YoY NEW(+703.1K)	All Managers (Combined)	$15.1M	2.2% ($15.1M/$675.9M)	QoQ -19.86% (-$3.8M) YoY NEW(+$15.1M)
Upstream Bio, Inc.(UPBcusip91678A107)	2.3M	QoQ 0.00% (-0) YoY NEW(+2.3M)	All Managers (Combined)	$14.0M	2.1% ($14.0M/$675.9M)	QoQ -62.77% (-$23.7M) YoY NEW(+$14.0M)
Annexon, Inc.(ANNXcusip03589W102)	5.2M	QoQ 0.00% (-0) YoY -39.68% (-3.5M)	All Managers (Combined)	$10.1M	1.5% ($10.1M/$675.9M)	QoQ -62.37% (-$16.8M) YoY -83.76% (-$52.3M)
Atea Pharmaceuticals, Inc.(AVIRcusip04683R106)	2.5M	QoQ 0.00% (-0) YoY 0.00% (-0)	All Managers (Combined)	$7.4M	1.1% ($7.4M/$675.9M)	QoQ -10.74% (-$894.8K) YoY -25.99% (-$2.6M)
Kyverna Therapeutics, Inc.(KYTXcusip501976104)	3.4M	QoQ 0.00% (-0) YoY +6.46% (-204.5K)	All Managers (Combined)	$6.5M	1.0% ($6.5M/$675.9M)	QoQ -48.39% (-$6.1M) YoY -91.72% (-$72.1M)
X4 Pharmaceuticals, Inc(XFORcusip98420X103)	16.9M	QoQ 0.00% (-0) YoY 0.00% (-0)	All Managers (Combined)	$4.0M	0.6% ($4.0M/$675.9M)	QoQ -67.77% (-$8.4M) YoY -82.99% (-$19.5M)
Cabaletta Bio, Inc.(CABAcusip12674W109)	2.8M	QoQ 0.00% (-0) YoY +70.70% (-1.1M)	All Managers (Combined)	$3.8M	0.6% ($3.8M/$675.9M)	QoQ -38.98% (-$2.4M) YoY -86.14% (-$23.8M)
Tango Therapeutics, Inc.(TNGXcusip87583X109)	2.7M	QoQ 0.00% (-0) YoY -6.24% (-180.7K)	All Managers (Combined)	$3.7M	0.5% ($3.7M/$675.9M)	QoQ -55.66% (-$4.7M) YoY -83.82% (-$19.3M)
Xilio Therapeutics, Inc.(XLOcusip98422T100)	4.6M	QoQ 0.00% (-0) YoY +62.78% (+1.8M)	All Managers (Combined)	$3.3M	0.5% ($3.3M/$675.9M)	QoQ -24.14% (-$1.1M) YoY +9.18% (+$278.4K)
Mersana Therapeutics, Inc.(MRSNcusip59045L106)	8.7M	QoQ 0.00% (-0) YoY 0.00% (-0)	All Managers (Combined)	$3.0M	0.4% ($3.0M/$675.9M)	QoQ -75.93% (-$9.4M) YoY -92.31% (-$35.8M)
Century Therapeutics, Inc.(IPSCcusip15673T100)	5.4M	QoQ 0.00% (-0) YoY NEW(+5.4M)	All Managers (Combined)	$2.6M	0.4% ($2.6M/$675.9M)	QoQ -52.87% (-$2.9M) YoY NEW(+$2.6M)