Bain Capital Life Sciences Investors, LLC Long-Term Concentrated

CIK: 0001703031 · Show all filings

Period: Q4 2020 (← Previous) (Next →)

Filing Date: Feb 16, 2021

Total Value ($000): $1,592,801 (100.0% shares, 0.0% debt)

Holdings (26)

— SPRINGWORKS THERAPEUTICS INC 33.2%

Value ($000) $528,040 Shares 7,281,307 Est. Cost $21.68 Unrealized —

AVIR ATEA PHARMACEUTICALS, INC. 14.7%

Value ($000) $234,622 Shares 5,615,659 Est. Cost $32.23 Unrealized 0.0%

ARQT ARCUTIS BIOTHERAPEUTICS, INC. 7.0%

Value ($000) $111,937 Shares 3,979,292 Est. Cost $26.87 Unrealized -8.8%

— MERSANA THERAPEUTICS 5.8%

Value ($000) $91,689 Shares 3,445,667 Est. Cost $23.40 Unrealized —

ANNX ANNEXON INC 5.1%

Value ($000) $81,138 Shares 3,241,628 Est. Cost $23.46 Unrealized +9.7%

— DICERNA PHARMACEUTICALS INC 4.3%

Value ($000) $67,858 Shares 3,080,237 Est. Cost $9.03 Unrealized —

— SYROS PHARMACEUTICALS, INC. 3.9%

Value ($000) $62,768 Shares 5,785,036 Est. Cost $10.85 Unrealized —

CCCC C4 THERAPEUTICS, INC. 3.4%

Value ($000) $54,406 Shares 1,642,209 Est. Cost $29.00 Unrealized 0.0%

— SOLID BIOSCIENCES INC 3.4%

Value ($000) $53,517 Shares 7,060,353 Est. Cost $8.29 Unrealized —

— DYNAVAX TECHNOLOGIES CORP 3.0%

Value ($000) $48,486 Shares 10,895,773 Est. Cost $4.45 Unrealized —

NRIX NURIX THERAPEUTICS, INC. 2.7%

Value ($000) $42,228 Shares 1,284,314 Est. Cost $25.20 Unrealized +31.5%

— CONSTELLATION PHARMACEUTICALS, INC. 2.5%

Value ($000) $40,320 Shares 1,400,000 Est. Cost $47.11 Unrealized —

— APTINYX INC 1.9%

Value ($000) $30,765 Shares 8,891,758 Est. Cost $8.16 Unrealized —

KYMR KYMERA THERAPEUTICS INC. 1.9%

Value ($000) $29,735 Shares 479,605 Est. Cost $30.53 Unrealized +59.8%

— AEGLEA BIO THERAPEUTICS 1.3%

Value ($000) $21,249 Shares 2,700,000 Est. Cost $9.25 Unrealized —

— MARINUS PHARMACEUTICALS INC 1.1%

Value ($000) $17,459 Shares 1,431,058 Est. Cost $6.30 Unrealized —

CRNX CRINETICS PHAMACEUTICALS 0.9%

Value ($000) $15,118 Shares 1,071,428 Est. Cost $17.05 Unrealized -18.3%

— THERAPEUTICS ACQUISITION COR 0.9%

Value ($000) $13,920 Shares 1,000,000 Est. Cost $14.38 Unrealized —

— ARYA SCIENCES ACQUISITION CORP III 0.7%

Value ($000) $10,850 Shares 1,000,000 Est. Cost $10.81 Unrealized —

— X4 PHARMACEUTICALS INC 0.7%

Value ($000) $10,600 Shares 1,648,485 Est. Cost $10.70 Unrealized —

SVRA SAVARA INC 0.4%

Value ($000) $5,898 Shares 5,128,593 Est. Cost $1.20 Unrealized +0.1%

— BCTG ACQUISITION CORP 0.4%

Value ($000) $5,720 Shares 500,000 Est. Cost $10.36 Unrealized —

— BCLS ACQUISITION CORP 0.3%

Value ($000) $5,431 Shares 487,500 Est. Cost $11.14 Unrealized —

— FRAZIER LIFESCIENCES ACQUISITION CORP 0.2%

Value ($000) $3,114 Shares 300,000 Est. Cost $10.38 Unrealized —

— JIYA ACQUISITION CORP 0.2%

Value ($000) $3,090 Shares 300,000 Est. Cost $10.30 Unrealized —

MLTX HELIX ACQUISITION CORP 0.2%

Value ($000) $2,843 Shares 250,000 Est. Cost $11.37 Unrealized —

Ticker	Issuer	Shares	Value ($000)	%	Est. Cost	Unrealized	Class	CUSIP
—	SPRINGWORKS THERAPEUTICS INC	7,281,307	$528,040	33.2%	$21.68	—	COM	85205L107
AVIR	ATEA PHARMACEUTICALS, INC.	5,615,659	$234,622	14.7%	$32.23	0.0%	COM	04683R106
ARQT	ARCUTIS BIOTHERAPEUTICS, INC.	3,979,292	$111,937	7.0%	$26.87	-8.8%	COM	03969K108
—	MERSANA THERAPEUTICS	3,445,667	$91,689	5.8%	$23.40	—	COM	59045L106
ANNX	ANNEXON INC	3,241,628	$81,138	5.1%	$23.46	+9.7%	COM	03589W102
—	DICERNA PHARMACEUTICALS INC	3,080,237	$67,858	4.3%	$9.03	—	COM	253031108
—	SYROS PHARMACEUTICALS, INC.	5,785,036	$62,768	3.9%	$10.85	—	COM	87184Q107
CCCC	C4 THERAPEUTICS, INC.	1,642,209	$54,406	3.4%	$29.00	0.0%	COM STK	12529R107
—	SOLID BIOSCIENCES INC	7,060,353	$53,517	3.4%	$8.29	—	COM	83422E105
—	DYNAVAX TECHNOLOGIES CORP	10,895,773	$48,486	3.0%	$4.45	—	COM	268158901
NRIX	NURIX THERAPEUTICS, INC.	1,284,314	$42,228	2.7%	$25.20	+31.5%	COM	67080M103
—	CONSTELLATION PHARMACEUTICALS, INC.	1,400,000	$40,320	2.5%	$47.11	—	COM	210373106
—	APTINYX INC	8,891,758	$30,765	1.9%	$8.16	—	COM	03836N103
KYMR	KYMERA THERAPEUTICS INC.	479,605	$29,735	1.9%	$30.53	+59.8%	COM	501575104
—	AEGLEA BIO THERAPEUTICS	2,700,000	$21,249	1.3%	$9.25	—	COM	00773J103
—	MARINUS PHARMACEUTICALS INC	1,431,058	$17,459	1.1%	$6.30	—	COM	56854Q101
CRNX	CRINETICS PHAMACEUTICALS	1,071,428	$15,118	0.9%	$17.05	-18.3%	COM	22663K107
—	THERAPEUTICS ACQUISITION COR	1,000,000	$13,920	0.9%	$14.38	—	COM CL A	88339T103
—	ARYA SCIENCES ACQUISITION CORP III	1,000,000	$10,850	0.7%	$10.81	—	COM CL A	G3166W106
—	X4 PHARMACEUTICALS INC	1,648,485	$10,600	0.7%	$10.70	—	COM	98420X103
SVRA	SAVARA INC	5,128,593	$5,898	0.4%	$1.20	+0.1%	COM	805111101
—	BCTG ACQUISITION CORP	500,000	$5,720	0.4%	$10.36	—	COM	05492W103
—	BCLS ACQUISITION CORP	487,500	$5,431	0.3%	$11.14	—	COM CL A	G0904B105
—	FRAZIER LIFESCIENCES ACQUISITION CORP	300,000	$3,114	0.2%	$10.38	—	UNIT 12/09/2025	G3710A121
—	JIYA ACQUISITION CORP	300,000	$3,090	0.2%	$10.30	—	COM CL A	47760M102
MLTX	HELIX ACQUISITION CORP	250,000	$2,843	0.2%	$11.37	—	COM CL A	G4444C102