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Bain Capital Investors LLC

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13F filer, CIK 1040508, Boston, MA

Bain Capital Investors LLC reported $4,815,782,405 across 8 holdings for the quarter ended 2026-06-30, in a 13F-HR filed 2026-08-14.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001193125-26-350508

Period
2026-06-30
Reported value
$4.82B
Holdings
8
Top 10 weight
100%
New
1
Sold out
0

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

How groups are built

Largest buys vs the previous quarter

SecurityShares changeApprox. value
KLRAnew+26,255,581$578M

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

None.

Holdings, Q2 2026

Share positions as resolved from 13F-HR 0001193125-26-350508, largest first. % of portfolio is the value over $4,815,782,405, 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; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 95,370,751 shares; 2026Q2: 95,370,751 shares 95,370,751$1.51B31.33%0Timeline
SGRYSURGERY PARTNERS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 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; 2026Q2: 49,946,972 shares 49,946,972$839M17.42%0Timeline
AVAHAVEANNA HEALTHCARE HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 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; 2026Q2: 81,600,880 shares 81,600,880$699M14.52%0Timeline
KMTSKESTRA MED TECHNOLOGIES LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 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; 2026Q2: 25,172,338 shares 25,172,338$640M13.3%0Timeline
KLRAKAILERA THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 26,255,581 shares 26,255,581$578M12.01%newTimeline
NTNXNUTANIX INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 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; 2026Q2: 5,355,285 shares 5,355,285$273M5.67%0Timeline
WAYWAYSTAR HLDG CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 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; 2026Q2: 13,243,539 shares 13,243,539$272M5.65%0Timeline
ADVADVANTAGE SOLUTIONS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 115,600 shares; 2026Q2: 115,600 shares 115,600$5M0.1%0Timeline

How Q2 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 0001193125-26-350508 base2026-08-14acceptance time not in the bulk data set