Latest Flagship Pioneering Inc. Stock Portfolio
Flagship Pioneering Inc. Performance:
2025 Q2: 15.51%YTD: -12.84%2024: -55.33%
Performance for 2025 Q2 is 15.51%, and YTD is -12.84%, and 2024 is -55.33%.
About Flagship Pioneering Inc. and 13F Hedge Fund Stock Holdings
In it's latest 13F Holdings report, Flagship Pioneering Inc. reported an equity portfolio of $268.5 Millions as of 30 Jun, 2025.
The top stock holdings of Flagship Pioneering Inc. are MRNA, SANA, FHTX. The fund has invested 47.6% of it's portfolio in MODERNA INC and 25.4% of portfolio in SANA BIOTECHNOLOGY INC.
The fund managers got completely rid off SERES THERAPEUTICS INC (MCRB) stocks. Flagship Pioneering Inc. opened new stock positions in SERES THERAPEUTICS INC (MCRB).
The top stock holdings of Flagship Pioneering Inc. are MRNA, SANA, FHTX. The fund has invested 47.6% of it's portfolio in MODERNA INC and 25.4% of portfolio in SANA BIOTECHNOLOGY INC.
The fund managers got completely rid off SERES THERAPEUTICS INC (MCRB) stocks. Flagship Pioneering Inc. opened new stock positions in SERES THERAPEUTICS INC (MCRB).
Flagship Pioneering Inc. Annual Return Estimates Vs S&P 500
Our best estimate is that Flagship Pioneering Inc. made a return of 15.51% in the last quarter. In trailing 12 months, it's portfolio return was -65.3%.
New Buys
| Ticker | $ Bought |
|---|---|
| seres therapeutics inc | 12,841,500 |
New stocks bought by Flagship Pioneering Inc.
Additions
Reductions
Sold off
| Ticker | $ Sold |
|---|---|
| seres therapeutics inc | -16,184,200 |
Flagship Pioneering Inc. got rid off the above stocks
Sector Distribution
Flagship Pioneering Inc. has about 100% of it's holdings in Healthcare sector.
| Sector | % |
|---|---|
| Healthcare | 100 |
Market Cap. Distribution
Flagship Pioneering Inc. has about 47.6% of it's portfolio invested in the large-cap and mega-cap stocks.
| Category | % |
|---|---|
| LARGE-CAP | 47.6 |
| MICRO-CAP | 27 |
| SMALL-CAP | 25.4 |
Stocks belong to which Index?
About 100% of the stocks held by Flagship Pioneering Inc. either belong to S&P 500 or RUSSELL 2000 index.
| Index | % |
|---|---|
| RUSSELL 2000 | 52.4 |
| S&P 500 | 47.6 |
Flagship Pioneering Inc. Holdings Map
This heatmap illustrates the top 50 positions within the fund's portfolio.
Current Stock Holdings of Flagship Pioneering Inc.
Flagship Pioneering Inc. has 4 stocks in it's portfolio. MRNA proved to be the most loss making stock for the portfolio. SANA was the most profitable stock for Flagship Pioneering Inc. last quarter.
Last Reported on: 14 Aug, 2025| Ticker | Namesorted descending | % Portfolio | Shares Held | $ Value | Type | % Change | Options | |
|---|---|---|---|---|---|---|---|---|
| MRNA | moderna inc | 47.60 | 4,632,150 | 127,801,000 | unchanged | 0.00 | ||
Historical Trend of MODERNA INC Position Held By Flagship Pioneering Inc.What % of Portfolio is MRNA?:Number of MRNA shares held:Change in No. of Shares Held: | ||||||||
| SANA | sana biotechnology inc | 25.42 | 25,001,900 | 68,255,100 | unchanged | 0.00 | ||
| FHTX | foghorn therapeutics inc | 22.19 | 12,674,100 | 59,568,400 | unchanged | 0.00 | ||
| MCRB | seres therapeutics inc | 4.78 | 1,155,850 | 12,841,500 | new | |||
| MCRB | seres therapeutics inc | 0.00 | 0.00 | 0.00 | sold off | -100 | ||
