Latest Bain Capital Life Sciences Investors, LLC Stock Portfolio
Bain Capital Life Sciences Investors, LLC Performance:
2025 Q4: 16.62%YTD: 38.51%2024: -6.61%
Performance for 2025 Q4 is 16.62%, and YTD is 38.51%, and 2024 is -6.61%.
About Bain Capital Life Sciences Investors, LLC and 13F Hedge Fund Stock Holdings
On 2026-02-17, the fund reported it's updated stock portfolio. In the 13F Holdings report, Bain Capital Life Sciences Investors, LLC reported an equity portfolio of $1.3 Billions as of 31 Dec, 2025.
The top stock holdings of Bain Capital Life Sciences Investors, LLC are , NAMS, OLMA. The fund has invested 27.8% of it's portfolio in HEARTFLOW INC and 19.6% of portfolio in NEWAMSTERDAM PHARMA COMPANY.
The fund managers got completely rid off CIDARA THERAPEUTICS INC (CDTX) and CENTURY THERAPEUTICS INC (IPSC) stocks. They significantly reduced their stock positions in TANGO THERAPEUTICS INC (TNGX), UPSTREAM BIO INC and NEWAMSTERDAM PHARMA COMPANY (NAMS). The fund showed a lot of confidence in some stocks as they added substantially to C4 THERAPEUTICS INC (CCCC), X4 PHARMACEUTICALS INC (XFOR) and XILIO THERAPEUTICS INC (XLO).
The top stock holdings of Bain Capital Life Sciences Investors, LLC are , NAMS, OLMA. The fund has invested 27.8% of it's portfolio in HEARTFLOW INC and 19.6% of portfolio in NEWAMSTERDAM PHARMA COMPANY.
The fund managers got completely rid off CIDARA THERAPEUTICS INC (CDTX) and CENTURY THERAPEUTICS INC (IPSC) stocks. They significantly reduced their stock positions in TANGO THERAPEUTICS INC (TNGX), UPSTREAM BIO INC and NEWAMSTERDAM PHARMA COMPANY (NAMS). The fund showed a lot of confidence in some stocks as they added substantially to C4 THERAPEUTICS INC (CCCC), X4 PHARMACEUTICALS INC (XFOR) and XILIO THERAPEUTICS INC (XLO).
Bain Capital Life Sciences Investors, LLC Annual Return Estimates Vs S&P 500
Our best estimate is that Bain Capital Life Sciences Investors, LLC made a return of 16.62% in the last quarter. In trailing 12 months, it's portfolio return was 38.51%.
- Performance
- S&P 500
New Buys
Additions
| Ticker | % Inc. |
|---|---|
| c4 therapeutics inc | 545 |
| x4 pharmaceuticals inc | 226 |
| xilio therapeutics inc | 61.44 |
| olema pharmaceuticals inc | 24.32 |
Additions to existing portfolio by Bain Capital Life Sciences Investors, LLC
Reductions
| Ticker | % Reduced |
|---|---|
| tango therapeutics inc | -75.9 |
| upstream bio inc | -45.5 |
| dianthus therapeutics inc | -43.49 |
| newamsterdam pharma company | -31.84 |
| pharvaris n v | -11.92 |
| kyverna therapeutics inc | -7.67 |
| newamsterdam pharma company | 0.00 |
Bain Capital Life Sciences Investors, LLC reduced stake in above stock
Sold off
| Ticker | $ Sold |
|---|---|
| century therapeutics inc | -1,762,230 |
| cidara therapeutics inc | -289,290,000 |
Bain Capital Life Sciences Investors, LLC got rid off the above stocks
Sector Distribution
Bain Capital Life Sciences Investors, LLC has about 60.9% of it's holdings in Others sector.
- Others
- Healthcare
| Sector | % |
|---|---|
| Others | 60.9 |
| Healthcare | 39.1 |
Market Cap. Distribution
Bain Capital Life Sciences Investors, LLC has about 0% of it's portfolio invested in the large-cap and mega-cap stocks.
- UNALLOCATED
- SMALL-CAP
- MICRO-CAP
| Category | % |
|---|---|
| UNALLOCATED | 60.9 |
| SMALL-CAP | 31 |
| MICRO-CAP | 7.8 |
Stocks belong to which Index?
About 32.4% of the stocks held by Bain Capital Life Sciences Investors, LLC either belong to S&P 500 or RUSSELL 2000 index.
- Others
- RUSSELL 2000
| Index | % |
|---|---|
| Others | 67.6 |
| RUSSELL 2000 | 32.4 |
Bain Capital Life Sciences Investors, LLC Holdings Map
This heatmap illustrates the top 50 positions within the fund's portfolio.
Current Stock Holdings of Bain Capital Life Sciences Investors, LLC
Bain Capital Life Sciences Investors, LLC has 19 stocks in it's portfolio. About 91% of the portfolio is in top 10 stocks. proved to be the most loss making stock for the portfolio. OLMA was the most profitable stock for Bain Capital Life Sciences Investors, LLC last quarter.
Last Reported on: 17 Feb, 2026| Ticker | Namesorted ascending | % Portfolio | Shares Held | $ Value | Type | % Change | Options | |
|---|---|---|---|---|---|---|---|---|
| ANNX | annexon inc | 2.02 | 5,249,070 | 26,350,300 | unchanged | 0.00 | ||
| AVIR | atea pharmaceuticals inc | 0.68 | 2,485,640 | 8,873,730 | unchanged | 0.00 | ||
| CABA | cabaletta bio inc | 1.62 | 9,677,120 | 21,192,900 | unchanged | 0.00 | ||
| CCCC | c4 therapeutics inc | 1.05 | 7,171,910 | 13,698,300 | added | 545 | ||
| CDTX | cidara therapeutics inc | 0.00 | 0.00 | 0.00 | sold off | -100 | ||
| IPSC | century therapeutics inc | 0.00 | 0.00 | 0.00 | sold off | -100 | ||
| MRSN | mersana therapeutics inc | 0.77 | 346,545 | 10,025,500 | unchanged | 0.00 | ||
| NAMS | newamsterdam pharma company | 19.63 | 7,306,570 | 256,314,000 | reduced | -31.84 | ||
| NAMS | newamsterdam pharma company | 0.18 | 99,999 | 2,299,980 | reduced | 0.00 | ||
| OLMA | olema pharmaceuticals inc | 16.29 | 8,508,640 | 212,716,000 | added | 24.32 | ||
| PHVS | pharvaris n v | 5.96 | 2,802,080 | 77,757,700 | reduced | -11.92 | ||
| RPID | rapid micro biosystems inc | 1.87 | 8,434,560 | 24,460,200 | unchanged | 0.00 | ||
| SLDB | solid biosciences inc | 3.42 | 7,911,670 | 44,621,800 | unchanged | 0.00 | ||
| SVRA | savara inc | 8.13 | 17,600,600 | 106,132,000 | unchanged | 0.00 | ||
| TNGX | tango therapeutics inc | 0.44 | 653,493 | 5,789,950 | reduced | -75.9 | ||
| XFOR | x4 pharmaceuticals inc | 2.44 | 7,967,450 | 31,869,800 | added | 226 | ||
| XLO | xilio therapeutics inc | 0.36 | 7,372,690 | 4,719,990 | added | 61.44 | ||
| heartflow inc | 27.79 | 12,448,200 | 362,864,000 | unchanged | 0.00 | |||
| upstream bio inc | 2.77 | 1,329,540 | 36,097,100 | reduced | -45.5 | |||
| dianthus therapeutics inc | 2.35 | 743,592 | 30,643,400 | reduced | -43.49 | |||