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CIK: 0001400240
Total reported value
$1.5B
$1.5B
4 檔
17.4%
The Q2 2025 SEC filing reveals that Flagship Pioneering, LLC held a total portfolio value of $1.5B, covering 4 public equity positions.
Flagship Pioneering, LLC executed strategic sector rebalancing during Q2 2025, establishing 1 new positions while fully exiting 1 holdings and trimming 0 positions.
In terms of portfolio concentration, the top 5 core holdings (including MRNA, SANA, FHTX) accounted for 17.4% of total reported equity market value during Q2 2025.
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | MRNA | Moderna Inc | Stock-Healthcare | 47.60% | +0.81% | — | |
| 2 | SANA | Sana Biotechnology Inc | Stock-Other | 25.42% | -0.53% | — | |
| 3 | FHTX | Foghorn Therapeutics Inc | Stock-Other | 22.19% | -1.20% | — | |
| 4 | MCRB | Seres Therapeutics Inc | Stock-Other | 4.78% | -0.29% | — |
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | SANA | Sana Biotechnology Inc | +7.6% | — | Unchanged |
| 2 | MCRB | Seres Therapeutics Inc | +4.8% | NEW | New buy |
| 3 | FHTX | Foghorn Therapeutics Inc | +2.6% | — | Unchanged |
| 4 | MCRB1EUR | Seres Therapeutics Inc | -6.9% | EXIT | Sold out |
| 5 | MRNA | Moderna Inc | -8.1% | — | Unchanged |
According to official SEC Form 13F filings, Flagship Pioneering, LLC reported a total U.S. public equity portfolio value of $1.5B across 4 disclosed positions in Q2 2025.
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Top New Position Initiated
MCRB
市值: $12.8M
Top Position Liquidated / Trimmed
MCRB1EUR
前期市值: $16.2M
During Q2 2025, Flagship Pioneering, LLC's top holdings by market value included MRNA (47.6%)、SANA (25.4%)、FHTX (22.2%). The largest single position, MRNA, represented 47.6% of total portfolio value.
In Q2 2025, Flagship Pioneering, LLC made 2 total portfolio adjustments, initiating 1 new buys, adding to 0 positions, trimming 0 holdings, and fully liquidating 1 stocks.
All holding records on this page are fetched directly from the U.S. Securities and Exchange Commission (SEC) EDGAR system (Form 13F-HR). AlphaSMO parses CUSIP identifiers and formats data into Schema.org-compliant datasets.
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