Bain Capital Life Sciences Investors, LLC Long-Term Concentrated

Location: Boston, MA

CIK: 0001703031 · Show all filings

Period: Q1 2023 (← Previous) (Next →)

Filing Date: May 15, 2023

Total Value: $800M

Holdings (34)

NAMS NEWAMSTERDAM PHARMA COMPANY 13.8%

Value $110M Shares 8,300,000 Est. Cost $9.95 Unrealized +26.8%

NUVL NUVALENT INC 11.7%

Value $93.33M Shares 3,577,267 Est. Cost $28.96 Unrealized +2.1%

— SPRINGWORKS THERAPEUTICS INC 9.9%

Value $79.31M Shares 3,081,307 Est. Cost $21.68 Unrealized —

IRON DISC MEDICINE INC 5.3%

Value $42.19M Shares 1,990,914 Est. Cost $22.28 Unrealized 0.0%

NTRA NATERA INC 4.9%

Value $38.88M Shares 700,197 Est. Cost $41.20 Unrealized +16.5%

— DYNAVAX TECHNOLOGIES CORP 4.8%

Value $38.41M Shares 3,915,000 Est. Cost $9.83 Unrealized —

CRNX CRINETICS PHARMACEUTICALS IN 4.6%

Value $37.03M Shares 2,305,558 Est. Cost $18.69 Unrealized -1.0%

— MERSANA THERAPEUTICS INC 4.5%

Value $35.61M Shares 8,663,673 Est. Cost $12.65 Unrealized —

ARQT ARCUTIS BIOTHERAPEUTICS INC 4.1%

Value $33M Shares 3,000,000 Est. Cost $26.87 Unrealized -46.2%

ACRS ACLARIS THERAPEUTICS INC 3.4%

Value $27.51M Shares 3,400,000 Est. Cost $12.69 Unrealized 0.0%

PHVS PHARVARIS N V 3.2%

Value $25.62M Shares 3,180,601 Est. Cost $31.46 Unrealized -72.0%

SVRA SAVARA INC 2.8%

Value $22.66M Shares 11,622,598 Est. Cost $1.49 Unrealized +51.5%

— CYMABAY THERAPEUTICS INC 2.7%

Value $21.8M Shares 2,500,000 Est. Cost $8.72 Unrealized —

— CTI BIOPHARMA CORP 2.5%

Value $19.75M Shares 4,702,996 Est. Cost $5.65 Unrealized —

— EQRX INC 2.4%

Value $19.41M Shares 10,003,573 Est. Cost $6.82 Unrealized —

ANNX ANNEXON INC 2.4%

Value $18.81M Shares 4,886,616 Est. Cost $17.41 Unrealized -68.4%

NRIX NURIX THERAPEUTICS INC 2.0%

Value $16.19M Shares 1,822,883 Est. Cost $21.10 Unrealized -50.6%

SLDB SOLID BIOSCIENCES INC 1.9%

Value $14.84M Shares 3,130,422 Est. Cost $6.55 Unrealized -8.3%

— 2SEVENTY BIO INC 1.8%

Value $14.37M Shares 1,408,901 Est. Cost $18.15 Unrealized —

RPID RAPID MICRO BIOSYSTEMS INC 1.4%

Value $11.05M Shares 8,434,560 Est. Cost $20.66 Unrealized -93.7%

— CARA THERAPEUTICS INC 1.4%

Value $10.82M Shares 2,204,449 Est. Cost $9.16 Unrealized —

— X4 PHARMACEUTICALS INC 1.3%

Value $10.62M Shares 12,202,510 Est. Cost $2.89 Unrealized —

— MARINUS PHARMACEUTICALS INC 1.2%

Value $9.874M Shares 1,431,058 Est. Cost $15.48 Unrealized —

XLO XILIO THERAPEUTICS INC 1.1%

Value $8.893M Shares 2,805,413 Est. Cost $17.03 Unrealized -81.6%

AVIR ATEA PHARMACEUTICALS INC 1.0%

Value $8.327M Shares 2,485,638 Est. Cost $32.23 Unrealized -87.4%

TNGX TANGO THERAPEUTICS INC 0.9%

Value $7.591M Shares 1,921,790 Est. Cost $11.99 Unrealized -51.6%

SYRS SYROS PHARMACEUTICALS INC 0.7%

Value $5.673M Shares 2,124,694 Est. Cost $6.27 Unrealized -38.1%

NAUT NAUTILUS BIOTECHNOLOGY INC 0.7%

Value $5.54M Shares 2,000,000 Est. Cost $10.83 Unrealized -80.6%

CCCC C4 THERAPEUTICS INC 0.6%

Value $5.157M Shares 1,642,210 Est. Cost $29.00 Unrealized -79.7%

— THIRD HARMONIC BIO INC 0.3%

Value $2.639M Shares 640,631 Est. Cost $18.97 Unrealized —

IVVD INVIVYD INC 0.3%

Value $2.325M Shares 1,937,207 Est. Cost $37.11 Unrealized -95.1%

— AEGLEA BIOTHERAPEUTICS INC 0.2%

Value $1.551M Shares 5,347,689 Est. Cost $5.13 Unrealized —

— APTINYX INC 0.1%

Value $1.11M Shares 8,891,758 Est. Cost $8.16 Unrealized —

NAMSW NEWAMSTERDAM PHARMA COMPANY 0.0%

Value $184K Shares 100,000 Est. Cost $0.86 Unrealized —

Ticker	Issuer	Shares	Value	%	Est. Cost	Unrealized	Class	CUSIP
NAMS	NEWAMSTERDAM PHARMA COMPANY	8,300,000	$110M	13.8%	$9.95	+26.8%	—	N62509109
NUVL	NUVALENT INC	3,577,267	$93.33M	11.7%	$28.96	+2.1%	—	670703107
—	SPRINGWORKS THERAPEUTICS INC	3,081,307	$79.31M	9.9%	$21.68	—	—	85205L107
IRON	DISC MEDICINE INC	1,990,914	$42.19M	5.3%	$22.28	0.0%	—	254604101
NTRA	NATERA INC	700,197	$38.88M	4.9%	$41.20	+16.5%	—	632307104
—	DYNAVAX TECHNOLOGIES CORP	3,915,000	$38.41M	4.8%	$9.83	—	—	268158201
CRNX	CRINETICS PHARMACEUTICALS IN	2,305,558	$37.03M	4.6%	$18.69	-1.0%	—	22663K107
—	MERSANA THERAPEUTICS INC	8,663,673	$35.61M	4.5%	$12.65	—	—	59045L106
ARQT	ARCUTIS BIOTHERAPEUTICS INC	3,000,000	$33M	4.1%	$26.87	-46.2%	—	03969K108
ACRS	ACLARIS THERAPEUTICS INC	3,400,000	$27.51M	3.4%	$12.69	0.0%	—	00461U105
PHVS	PHARVARIS N V	3,180,601	$25.62M	3.2%	$31.46	-72.0%	—	N69605108
SVRA	SAVARA INC	11,622,598	$22.66M	2.8%	$1.49	+51.5%	—	805111101
—	CYMABAY THERAPEUTICS INC	2,500,000	$21.8M	2.7%	$8.72	—	—	23257D103
—	CTI BIOPHARMA CORP	4,702,996	$19.75M	2.5%	$5.65	—	—	12648L601
—	EQRX INC	10,003,573	$19.41M	2.4%	$6.82	—	—	26886C107
ANNX	ANNEXON INC	4,886,616	$18.81M	2.4%	$17.41	-68.4%	—	03589W102
NRIX	NURIX THERAPEUTICS INC	1,822,883	$16.19M	2.0%	$21.10	-50.6%	—	67080M103
SLDB	SOLID BIOSCIENCES INC	3,130,422	$14.84M	1.9%	$6.55	-8.3%	—	83422E204
—	2SEVENTY BIO INC	1,408,901	$14.37M	1.8%	$18.15	—	—	901384107
RPID	RAPID MICRO BIOSYSTEMS INC	8,434,560	$11.05M	1.4%	$20.66	-93.7%	—	75340L104
—	CARA THERAPEUTICS INC	2,204,449	$10.82M	1.4%	$9.16	—	—	140755109
—	X4 PHARMACEUTICALS INC	12,202,510	$10.62M	1.3%	$2.89	—	—	98420X103
—	MARINUS PHARMACEUTICALS INC	1,431,058	$9.874M	1.2%	$15.48	—	—	56854Q200
XLO	XILIO THERAPEUTICS INC	2,805,413	$8.893M	1.1%	$17.03	-81.6%	—	98422T100
AVIR	ATEA PHARMACEUTICALS INC	2,485,638	$8.327M	1.0%	$32.23	-87.4%	—	04683R106
TNGX	TANGO THERAPEUTICS INC	1,921,790	$7.591M	0.9%	$11.99	-51.6%	—	87583X109
SYRS	SYROS PHARMACEUTICALS INC	2,124,694	$5.673M	0.7%	$6.27	-38.1%	—	87184Q206
NAUT	NAUTILUS BIOTECHNOLOGY INC	2,000,000	$5.54M	0.7%	$10.83	-80.6%	—	63909J108
CCCC	C4 THERAPEUTICS INC	1,642,210	$5.157M	0.6%	$29.00	-79.7%	—	12529R107
—	THIRD HARMONIC BIO INC	640,631	$2.639M	0.3%	$18.97	—	—	88427A107
IVVD	INVIVYD INC	1,937,207	$2.325M	0.3%	$37.11	-95.1%	—	00534A102
—	AEGLEA BIOTHERAPEUTICS INC	5,347,689	$1.551M	0.2%	$5.13	—	—	00773J103
—	APTINYX INC	8,891,758	$1.11M	0.1%	$8.16	—	—	03836N103
NAMSW	NEWAMSTERDAM PHARMA COMPANY	100,000	$184K	0.0%	$0.86	—	—	N62509117