Bain Capital Life Sciences Investors, LLC

Position in IRON — Disc Medicine, Inc.

CIK 1703031 Boston, MA

Position in IRON

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$10,329,854

+$1,299,353 QoQ

Shares Held

141,234

0.0% QoQ

Ownership

0.368%

of shares outstanding

% of Portfolio

0.61%

of 13F equity value

Holder Rank

#45

of 216 holders

Holding Since

Mar 2023

12 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Jun 30, 2026

Bain Capital Life Sciences Investors, LLC holds $1,318,022,438 across 17 Biotechnology names. IRON ranks #14 (0.8% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	KLRA	Kailera Therapeutics, Inc.	22,583,268	$497,509,394
2	NAMS	NewAmsterdam Pharma Co N.V.	3,906,565	$131,141,499
3	SVRA	Savara Inc	17,600,621	$108,419,825
4	SLDB	Solid Biosciences Inc.	9,808,819	$97,990,101
5	PHVS	Pharvaris N.V.	2,675,509	$92,519,101
6	OLMA	Olema Pharmaceuticals, Inc.	7,085,249	$88,636,464
7	COAG	Hemab Therapeutics Holdings, Inc.	1,650,000	$60,604,500
8	CABA	Cabaletta Bio, Inc.	17,241,445	$53,620,893

12 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$10,329,854	141,234	0.0%	Shares	Sole	2026-08-14
2026-03-31	$9,030,501	141,234	-75.8%	Shares	Sole	2026-05-15
2025-06-30	$30,902,160	583,500	-40.7%	Shares	Sole	2025-08-14
2025-03-31	$48,820,940	983,500	0.0%	Shares	Sole	2025-05-15
2024-12-31	$62,353,900	983,500	-45.2%	Shares	Sole	2025-02-14
2024-09-30	$88,242,417	1,795,735	0.0%	Shares	Sole	2024-11-14
2024-06-30	$80,933,776	1,795,735	+36.3%	Shares	Sole	2024-08-12
2024-03-31	$82,009,681	1,317,213	-1.2%	Shares	Sole	2024-05-15
2023-12-31	$76,967,799	1,332,545	0.0%	Shares	Sole	2024-02-13
2023-09-30	$62,602,964	1,332,545	-0.0%	Shares	Sole	2023-11-14
2023-06-30	$59,165,131	1,332,548	-33.1%	Shares	Sole	2023-08-14
2023-03-31	$42,187,467	1,990,914	—	Shares	Sole	2023-05-15
No filing history on record for this holder in this stock.