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Bain Capital Investors LLC

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13F filer, CIK 1040508, Boston, MA

Bain Capital Investors LLC reported $3,268,468,485 across 7 holdings for the quarter ended 2026-03-31, in a 13F-HR filed 2026-05-15.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001193125-26-225264

Period
2026-03-31
Reported value
$3.27B
Holdings
7
Top 10 weight
100%
New
2
Sold out
2

Part of the filer group Bain Capital Life Sciences Investors, LLC

How groups are built

Largest buys vs the previous quarter

SecurityShares changeApprox. value
BOBSnew+95,370,751$1.12B
ADVnew+115,600$2.44M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
COHRexited-9,775,846-$1.8B
ADVexited-2,890,000-$2.54M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q1 2026

Share positions as resolved from 13F-HR 0001193125-26-225264, largest first. % of portfolio is the value over $3,268,468,485, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
BOBSBOBS DISC FURNITURE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 95,370,751 shares 95,370,751$1.12B34.29%newTimeline
SGRYSURGERY PARTNERS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 49,946,972 shares; 2024Q4: 49,946,972 shares; 2025Q1: 49,946,972 shares; 2025Q2: 49,946,972 shares; 2025Q3: 49,946,972 shares; 2025Q4: 49,946,972 shares; 2026Q1: 49,946,972 shares 49,946,972$595M18.22%0Timeline
AVAHAVEANNA HEALTHCARE HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 81,600,880 shares; 2024Q4: 81,600,880 shares; 2025Q1: 81,600,880 shares; 2025Q2: 81,600,880 shares; 2025Q3: 81,600,880 shares; 2025Q4: 81,600,880 shares; 2026Q1: 81,600,880 shares 81,600,880$526M16.08%0Timeline
KMTSKESTRA MED TECHNOLOGIES LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 27,019,225 shares; 2025Q2: 27,019,225 shares; 2025Q3: 27,019,225 shares; 2025Q4: 25,172,338 shares; 2026Q1: 25,172,338 shares 25,172,338$502M15.35%0Timeline
WAYWAYSTAR HLDG CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 27,980,417 shares; 2024Q4: 27,980,417 shares; 2025Q1: 21,754,536 shares; 2025Q2: 18,055,049 shares; 2025Q3: 13,243,539 shares; 2025Q4: 13,243,539 shares; 2026Q1: 13,243,539 shares 13,243,539$319M9.77%0Timeline
NTNXNUTANIX INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 16,854,032 shares; 2024Q4: 16,854,032 shares; 2025Q1: 10,960,935 shares; 2025Q2: 5,355,285 shares; 2025Q3: 5,355,285 shares; 2025Q4: 5,355,285 shares; 2026Q1: 5,355,285 shares 5,355,285$204M6.23%0Timeline
ADVADVANTAGE SOLUTIONS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 115,600 shares 115,600$2.44M0.07%newTimeline

Sold out in Q1 2026

Positions in the previous quarter's report that this quarter's report no longer lists.

SecurityShares beforeValue beforeType
COHRCOHERENT CORP9,775,846$1.8Bshares
ADVADVANTAGE SOLUTIONS INC2,890,000$2.54Mshares

How Q1 2026 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001193125-26-225264 base2026-05-15acceptance time not in the bulk data set