Vault-13

Bain Capital Investors LLC

Boston, MA · CIK 1040508 · 13F filing filed 2026-08-14

No investment adviser registration (Form ADV) found for this filer. It may be a parent company whose subsidiaries are the registered advisers, a bank or insurer, or a manager based outside the US.

$4.8bn reported value +47.3% vs Q1 2026
8positions
100.0%in top 10
1 new 0 added 0 reduced 0 sold out vs Q1 2026

This report includes the holdings of 26 other managers that share the investment decisions:

18 more
  • BCPE Nucleon Investors (GP), LLC – no 13F of its own this quarter
  • BCPE Nucleon Investors, LP – no 13F of its own this quarter
  • BCPE Seminole GP II LLC – no 13F of its own this quarter
  • BCPE Seminole GP III LLC – no 13F of its own this quarter
  • BCPE Seminole GP LLC – no 13F of its own this quarter
  • BCPE Seminole Holdings II Intermediate LP – no 13F of its own this quarter
  • BCPE Seminole Holdings III, L.P. – no 13F of its own this quarter
  • BCPE Seminole Holdings IV, L.P. – no 13F of its own this quarter
  • BCPE Seminole Holdings LP – no 13F of its own this quarter
  • BCPE Watson (DE) Aggregator GP, LLC – no 13F of its own this quarter
  • BCPE Watson (DE) Aggregator, LP – no 13F of its own this quarter
  • BCPE Watson (DE) BML GP, LLC – no 13F of its own this quarter
  • BCPE Watson (DE) BML, LP – no 13F of its own this quarter
  • Bain Capital Fund XI, L.P. – no 13F of its own this quarter
  • Bain Capital Fund XII, L.P. – no 13F of its own this quarter
  • Bain Capital Partners XI, L.P. – no 13F of its own this quarter
  • Bain Capital Partners XII, LLC – no 13F of its own this quarter
  • Bain Charger Holdings, L.P. – no 13F of its own this quarter

Shares in two reports are counted once in each security's totals.

Holdings, Q2 2026

The small lines show how much was held over the last 4 quarters (adjusted for stock splits).

#SecurityTickerShares Value% of portfolioChangeShares change
1 BOBS DISC FURNITURE INC COM SHS BOBS BOBS 95,370,751 $1.5bn31.33% 31.33% UnchangedShares held: Q3 2025 0, Q4 2025 0, Q1 2026 95.4m, Q2 2026 95.4m
2 SURGERY PARTNERS INC COM SGRY SGRY 49,946,972 $839.1m17.42% 17.42% UnchangedShares held: Q3 2025 49.9m, Q4 2025 49.9m, Q1 2026 49.9m, Q2 2026 49.9m
3 AVEANNA HEALTHCARE HLDGS INC COM AVAH AVAH 81,600,880 $699.3m14.52% 14.52% UnchangedShares held: Q3 2025 81.6m, Q4 2025 81.6m, Q1 2026 81.6m, Q2 2026 81.6m
4 KESTRA MED TECHNOLOGIES LTD SHS KMTS KMTS 25,172,338 $640.4m13.30% 13.30% UnchangedShares held: Q3 2025 27.0m, Q4 2025 25.2m, Q1 2026 25.2m, Q2 2026 25.2m
5 KAILERA THERAPEUTICS INC COMMON STOCK KLRA KLRA 26,255,581 $578.4m12.01% 12.01% NewShares held: Q3 2025 0, Q4 2025 0, Q1 2026 0, Q2 2026 26.3m
6 NUTANIX INC CL A NTNX NTNX 5,355,285 $272.9m5.67% 5.67% UnchangedShares held: Q3 2025 5.4m, Q4 2025 5.4m, Q1 2026 5.4m, Q2 2026 5.4m
7 WAYSTAR HLDG CORP COM WAY WAY 13,243,539 $271.9m5.65% 5.65% UnchangedShares held: Q3 2025 13.2m, Q4 2025 13.2m, Q1 2026 13.2m, Q2 2026 13.2m
8 ADVANTAGE SOLUTIONS INC COM NEW CL A ADV ADV 115,600 $5.0m0.10% 0.10% UnchangedShares held: Q3 2025 0, Q4 2025 0, Q1 2026 115.6k, Q2 2026 115.6k

Trades reported as a company insider since 1 Apr 2026

Owning 10% or more of a company, or having someone on its board, makes this manager an insider there: it reports its trades in that company's shares on Form 4 within two business days. Open-market and private purchases and sales only.

DateCompanyTickerTradeShares ValueTheir holding
2026-04-20 KAILERA THERAPEUTICS INC 10% owner · See footnotes KLRA Bought 8,398,438 $134.4m8.4m shares +47%