What is SEC Form 13F? Ultimate Guide to Institutional Equity Filings
Learn how SEC Form 13F filings work, the $100M threshold, 45-day reporting lag, and how to track top hedge fund holdings.
CIK: 0001703031
Total reported value
$1.7B
$1.7B
26 檔
34.1%
The Q4 2024 SEC filing reveals that Bain Capital Life Sciences Investors, LLC held a total portfolio value of $1.7B, covering 26 public equity positions.
During Q4 2024, Bain Capital Life Sciences Investors, LLC performed routine portfolio adjustments (2 new buys, 1 additions, 5 trims, and 0 full exits), keeping overall allocation balanced.
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | NAMS | NewAmsterdam Pharma Company N.V. | Stock-Other | 32.41% | -13.42% | +2.34% | |
| 2 | NUVL | Nuvalent Inc-a | Stock-Other | 13.33% | — | -46.34% | |
| 3 | PHVS | Pharvaris N.V. | Stock-Other | 7.45% | -1.32% | — | |
| 4 | IRON | Disc Medicine Inc | Stock-Other | 7.33% | -0.20% | -45.23% | |
| 5 | DNTH | Dianthus Therapeutics Inc | Stock-Other | 6.90% | -0.64% | -10.74% | |
| 6 | SVRA | Savara Inc | Stock-Other | 5.26% | -2.22% | — | |
| 7 | OLMA | Olema Pharmaceuticals Inc | Stock-Other | 5.12% | -4.78% | — | |
| 8 | UPB | Upstream Bio Inc | Stock-Other | 4.44% | -0.45% | — | |
| 9 | ANNX | Annexon Inc | Stock-Other | 3.17% | -1.09% | -37.88% | |
| 10 | CDTX | Cidara Therapeutics Inc | Stock-Other | 2.22% | — | — | |
| 11 | SLDB | Solid Biosciences Inc | Stock-Other | 1.90% | -0.54% | — | |
| 12 | KYTX | Kyverna Therapeutics Inc | Stock-Other | 1.48% | -0.89% | — | |
| 13 | ASNSUSD | X4 Pharmaceuticals Inc | Stock-Other | 1.46% | — | — | |
| 14 | ✓ | Mersana Therapeutics Inc | Stock-Other | 1.46% | — | — | |
| 15 | TNGX | Tango Therapeutics Inc | Stock-Other | 0.99% | — | — | |
| 16 | AVIR | Atea Pharmaceuticals Inc | Stock-Other | 0.98% | -0.58% | — | |
| 17 | RPID | Rapid Micro Biosystems Inc-a | Stock-Other | 0.89% | -0.86% | — | |
| 18 | CABA | Cabaletta Bio Inc | Stock-Other | 0.74% | +0.84% | — | |
| 19 | IPSC | Century Therapeutics Inc | Stock-Other | 0.64% | — | — | |
| 20 | ✓ | Xilio Therapeutics Inc | Stock-Other | 0.51% | — | — | |
| 21 | CCCC | C4 Therapeutics Inc | Stock-Other | 0.47% | +0.29% | — | |
| 22 | NAUT | Nautilus Biotechnology Inc | Stock-Other | 0.35% | — | -12.05% | |
| 23 | MRNS* | Marinus Pharmaceuticals Inc | Stock-Other | 0.17% | — | — | |
| 24 | ✓ | Newamsterdam Pharma Company | Stock-Other | 0.17% | -0.05% | — | |
| 25 | IVVD | Invivyd Inc | Stock-Other | 0.09% | — | — | |
| 26 | SYRS | Syros Pharmaceuticals Inc | Stock-Other | 0.07% | — | — |
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | NAMS | NewAmsterdam Pharma Company N.V. | +14.3% | +2.34% | Add |
| 2 | OLMA | Olema Pharmaceuticals Inc | +5.1% | NEW | New buy |
| 3 | UPB | Upstream Bio Inc | +4.4% | NEW | New buy |
| 4 | CDTX | Cidara Therapeutics Inc | +1.4% | — | Unchanged |
| 5 | PHVS | Pharvaris N.V. | +1.1% | — | Unchanged |
| 6 | ASNSUSD | X4 Pharmaceuticals Inc | +0.3% | — | Unchanged |
| 7 | ✓ | Xilio Therapeutics Inc | +0.1% | — | Unchanged |
| 8 | RPID | Rapid Micro Biosystems Inc-a | +0.1% | — | Unchanged |
| 9 | AVIR | Atea Pharmaceuticals Inc | +0.1% | — | Unchanged |
| 10 | ✓ | Newamsterdam Pharma Company | +0.1% | — | Unchanged |
| 11 | IVVD | Invivyd Inc | -0.1% | — | Unchanged |
| 12 | CCCC | C4 Therapeutics Inc | -0.2% | — | Unchanged |
| 13 | KYTX | Kyverna Therapeutics Inc | -0.2% | — | Unchanged |
| 14 | ✓ | Mersana Therapeutics Inc | -0.2% | — | Unchanged |
| 15 | NAUT | Nautilus Biotechnology Inc | -0.2% | -12.05% | Trim |
| 16 | IPSC | Century Therapeutics Inc | -0.3% | — | Unchanged |
| 17 | MRNS* | Marinus Pharmaceuticals Inc | -0.3% | — | Unchanged |
| 18 | SYRS | Syros Pharmaceuticals Inc | -0.6% | — | Unchanged |
| 19 | CABA | Cabaletta Bio Inc | -0.6% | — | Unchanged |
| 20 | SLDB | Solid Biosciences Inc | -1% | — | Unchanged |
| 21 | SVRA | Savara Inc | -1.2% | — | Unchanged |
| 22 | TNGX | Tango Therapeutics Inc | -1.2% | — | Unchanged |
| 23 | DNTH | Dianthus Therapeutics Inc | -1.7% | -10.74% | Trim |
| 24 | IRON | Disc Medicine Inc | -1.9% | -45.23% | Trim |
| 25 | ANNX | Annexon Inc | -2% | -37.88% | Trim |
| 26 | NUVL | Nuvalent Inc-a | -15.4% | -46.34% | Trim |
According to official SEC Form 13F filings, Bain Capital Life Sciences Investors, LLC reported a total U.S. public equity portfolio value of $1.7B across 26 disclosed positions in Q4 2024.
Expert Analysis & Guides for Tracking Wall Street Smart Money Movements
Learn how SEC Form 13F filings work, the $100M threshold, 45-day reporting lag, and how to track top hedge fund holdings.
In terms of portfolio concentration, the top 5 core holdings (including NAMS, NUVL, PHVS) accounted for 34.1% of total reported equity market value during Q4 2024.
Top New Position Initiated
OLMA
市值: $43.6M
Top Position Liquidated / Trimmed
NUVL
前期市值: $275.9M
During Q4 2024, Bain Capital Life Sciences Investors, LLC's top holdings by market value included NAMS (32.4%)、NUVL (13.3%)、PHVS (7.5%). The largest single position, NAMS, represented 32.4% of total portfolio value.
In Q4 2024, Bain Capital Life Sciences Investors, LLC made 8 total portfolio adjustments, initiating 2 new buys, adding to 1 positions, trimming 5 holdings, and fully liquidating 0 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.
Understand SEC Form 4 insider disclosures for corporate officers, directors, and 10% owners to track executive transactions.
Understand Rule 144 restricted stock sale notices to spot planned insider liquidations before market sell pressure arrives.
Explore the 5% beneficial ownership threshold, 13D vs 13G filing differences, and recent SEC accelerated deadline rules.
Best practices for analyzing 13F quarterly changes without getting misled by stock splits, options, or market valuation drift.
Learn how AlphaSMO's flagship signal detects high-conviction stocks where 13F hedge funds and corporate insiders buy at the same time.