Institutional Manager · CIK 0001040508
Bain Capital Investors LLC
Boston, MA · File #028-11185
Latest AUM
$4.62B
Positions
7
Top-10 Concentration
100.0%
Filings
9
Portfolio Value Over Time
2024-03
2024-06
2024-09
2024-12
2025-03
2025-06
2025-09
2025-12
Biggest QoQ Changes
Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.
| Action | Issuer | Ticker / CUSIP | Δ Shares | Flow ($) | Price Effect |
|---|---|---|---|---|---|
| NEW | COHERENT CORP | COHR | +9,775,846 | +$1.80B | $0 |
| REDUCE | KESTRA MED TECHNOLOGIES LTD | BEKE | -1,846,887 | -$49.0M | +$74.6M |
| REDUCE | ADVANTAGE SOLUTIONS INC | ADV | 0 | $0 | -$1.9M |
| REDUCE | AVEANNA HEALTHCARE HLDGS INC | AVAH | 0 | $0 | -$57.1M |
| REDUCE | NUTANIX INC | NTNX | 0 | $0 | -$121.6M |
| REDUCE | SURGERY PARTNERS INC | SGRY | 0 | $0 | -$309.2M |
| REDUCE | WAYSTAR HLDG CORP | WAY | 0 | $0 | -$68.5M |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 20257 pos · $4.62B
- 13F HOLDINGS REPORTQ/E Sep 20256 pos · $3.35B
- 13F HOLDINGS REPORTQ/E Jun 20256 pos · $3.14B
- 13F HOLDINGS REPORTQ/E Mar 20256 pos · $3.88B
- 13F HOLDINGS REPORTQ/E Dec 20245 pos · $3.50B
- 13F HOLDINGS REPORTQ/E Sep 20245 pos · $3.82B
- 13F HOLDINGS REPORTQ/E Jun 20245 pos · $4.71B
- 13F HOLDINGS REPORTQ/E Mar 20244 pos · $4.48B
- 13F HOLDINGS REPORTQ/E Dec 20234 pos · $3.12B
Top 7 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | COHERENT CORP | COHR | 9,775,846 | $1.80B | 39.03% |
| 2 | SURGERY PARTNERS INC | SGRY | 49,946,972 | $771.7M | 16.69% |
| 3 | KESTRA MED TECHNOLOGIES LTD | BEKE | 25,172,338 | $667.6M | 14.44% |
| 4 | AVEANNA HEALTHCARE HLDGS INC | AVAH | 81,600,880 | $666.7M | 14.42% |
| 5 | WAYSTAR HLDG CORP | WAY | 13,243,539 | $433.7M | 9.38% |
| 6 | NUTANIX INC | NTNX | 5,355,285 | $276.8M | 5.99% |
| 7 | ADVANTAGE SOLUTIONS INC | ADV | 2,890,000 | $2.5M | 0.06% |