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: 0001791827
Total reported value
$624.4M
$624.4M
64 檔
25.3%
According to the latest 13F quarterly dataset, Avidity Partners Management LP managed an equity portfolio of $624.4M at the end of Q1 2025, spanning 64 distinct U.S. exchange-listed positions.
In Q1 2025, Avidity Partners Management LP displayed an active expansion posture, initiating 64 new positions and adding to 0 existing holdings, outstripping position reductions.
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | HUM | Humana Inc | Stock-Healthcare | 8.12% | — | +80.49% | |
| 2 | BSX | Boston Scientific CORP | Stock-Healthcare | 6.46% | -0.21% | -34.76% | |
| 3 | DNTH | Dianthus Therapeutics Inc | Stock-Other | 5.95% | -2.91% | -40.10% | |
| 4 | UNH | Unitedhealth Group Inc | Stock-Healthcare | 5.04% | -0.21% | EXIT | |
| 5 | CGON | Cg Oncology Inc | Stock-Other | 4.58% | -1.75% | -10.64% | |
| 6 | NTRA | Natera Inc | Stock-Healthcare | 3.21% | -0.36% | EXIT | |
| 7 | SNDX | Syndax Pharmaceuticals Inc | Stock-Other | 3.10% | — | -11.67% | |
| 8 | REGN | Regeneron Pharmaceuticals | Stock-Healthcare | 3.07% | — | +202.38% | |
| 9 | EXK | Exact Sciences CORP | Stock-Materials | 2.91% | — | -41.46% | |
| 10 | BEAM | Beam Therapeutics Inc | Stock-Other | 2.64% | — | — | |
| 11 | GKOS | Glaukos CORP | Stock-Healthcare | 2.51% | — | -21.18% | |
| 12 | DXCM | Dexcom Inc | Stock-Healthcare | 2.34% | -0.06% | -43.40% | |
| 13 | RARE | Ultragenyx Pharmaceutical In | Stock-Other | 2.22% | — | -8.49% | |
| 14 | COR | Cencora Inc | Stock-Healthcare | 2.08% | — | — | |
| 15 | JAZZ | Jazz Pharmaceuticals plc | Stock-Healthcare | 1.89% | — | -65.88% | |
| 16 | THC | Tenet Healthcare CORP | Stock-Healthcare | 1.85% | — | -47.45% | |
| 17 | NBIX | Neurocrine Biosciences Inc | Stock-Healthcare | 1.81% | — | -61.12% | |
| 18 | DHR | Danaher CORP | Stock-Healthcare | 1.74% | — | -33.58% | |
| 19 | AXSM | Axsome Therapeutics Inc | Stock-Healthcare | 1.71% | — | -59.04% | |
| 20 | GMAB | Genmab A/s -sp Adr | Stock-Other | 1.62% | -0.05% | — | |
| 21 | ARVN | Arvinas Inc | Stock-Other | 1.56% | — | -43.48% | |
| 22 | INSM | Insmed Inc | Stock-Healthcare | 1.56% | — | -54.04% | |
| 23 | OGN | Organon & Co | Stock-Healthcare | 1.52% | — | — | |
| 24 | TMO | Thermo Fisher Scientific Inc | Stock-Healthcare | 1.47% | — | -65.25% | |
| 25 | XENE | Xenon Pharmaceuticals Inc | Stock-Other | 1.46% | — | -51.69% | |
| 26 | XBI | Ss Spdr S&p Biotech ETF | ETF-Tech | 1.45% | — | — | |
| 27 | 260 | Centessa Pharmaceuticals-adr | Stock-Other | 1.45% | — | -54.62% | |
| 28 | RVMD | Revolution Medicines Inc | Stock-Healthcare | 1.44% | -0.30% | EXIT | |
| 29 | TEVA | Teva Pharmaceutical-sp Adr | Stock-Healthcare | 1.41% | -1.66% | — | |
| 30 | AVTR | Avantor Inc | Stock-Healthcare | 1.40% | — | -52.16% | |
| 31 | IDYA | Ideaya Biosciences Inc | Stock-Other | 1.39% | — | -60.50% | |
| 32 | DOCS | Doximity Inc-class A | Stock-Healthcare | 1.35% | — | — | |
| 33 | JANX | Janux Therapeutics Inc | Stock-Other | 1.33% | — | -65.22% | |
| 34 | HQY | Healthequity Inc | Stock-Healthcare | 1.31% | — | — | |
| 35 | 2655787D | Blueprint Medicines CORP | Stock-Other | 1.16% | — | -61.21% | |
| 36 | UTHR | United Therapeutics CORP | Stock-Healthcare | 0.99% | — | — | |
| 37 | PHAT | Phathom Pharmaceuticals Inc | Stock-Other | 0.96% | -0.21% | -42.45% | |
| 38 | VTLUSD | Immunic Inc | Stock-Other | 0.93% | -1.51% | EXIT | |
| 39 | BRKR | Bruker CORP | Stock-Healthcare | 0.91% | — | +50.72% | |
| 40 | CATX | Perspective Therapeutics Inc | Stock-Other | 0.89% | -1.67% | -18.46% | |
| 41 | CNTX | Context Therapeutics Inc | Stock-Other | 0.87% | -2.21% | — | |
| 42 | ORKA | Oruka Therapeutics Inc | Stock-Other | 0.69% | +4.04% | — | |
| 43 | QURE | uniQure N.V. | Stock-Other | 0.68% | — | +51.44% | |
| 44 | BHVN | Biohaven Ltd. | Stock-Other | 0.66% | — | -34.95% | |
| 45 | ACAD | Acadia Pharmaceuticals Inc | Stock-Healthcare | 0.54% | -0.06% | EXIT | |
| 46 | RPRX | Royalty Pharma plc | Stock-Healthcare | 0.52% | — | — | |
| 47 | BBIO | Bridgebio Pharma Inc | Stock-Healthcare | 0.49% | +0.12% | NEW | |
| 48 | 2KZ0 | Kezar Life Sciences Inc | Stock-Other | 0.47% | — | — | |
| 49 | AKRO | Akero Therapeutics Inc | Stock-Other | 0.44% | — | -30.49% | |
| 50 | SLNOEUR | Soleno Therapeutics Inc | Stock-Other | 0.44% | — | — |
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | HUM | Humana Inc | — | NEW | New buy |
| 2 | BSX | Boston Scientific CORP | — | NEW | New buy |
| 3 | DNTH | Dianthus Therapeutics Inc | — | NEW | New buy |
| 4 | UNH | Unitedhealth Group Inc | — | NEW | New buy |
| 5 | CGON | Cg Oncology Inc | — | NEW | New buy |
| 6 | NTRA | Natera Inc | — | NEW | New buy |
| 7 | SNDX | Syndax Pharmaceuticals Inc | — | NEW | New buy |
| 8 | REGN | Regeneron Pharmaceuticals | — | NEW | New buy |
| 9 | EXK | Exact Sciences CORP | — | NEW | New buy |
| 10 | BEAM | Beam Therapeutics Inc | — | NEW | New buy |
| 11 | GKOS | Glaukos CORP | — | NEW | New buy |
| 12 | DXCM | Dexcom Inc | — | NEW | New buy |
| 13 | RARE | Ultragenyx Pharmaceutical In | — | NEW | New buy |
| 14 | COR | Cencora Inc | — | NEW | New buy |
| 15 | JAZZ | Jazz Pharmaceuticals plc | — | NEW | New buy |
| 16 | THC | Tenet Healthcare CORP | — | NEW | New buy |
| 17 | NBIX | Neurocrine Biosciences Inc | — | NEW | New buy |
| 18 | DHR | Danaher CORP | — | NEW | New buy |
| 19 | AXSM | Axsome Therapeutics Inc | — | NEW | New buy |
| 20 | GMAB | Genmab A/s -sp Adr | — | NEW | New buy |
| 21 | ARVN | Arvinas Inc | — | NEW | New buy |
| 22 | INSM | Insmed Inc | — | NEW | New buy |
| 23 | OGN | Organon & Co | — | NEW | New buy |
| 24 | TMO | Thermo Fisher Scientific Inc | — | NEW | New buy |
| 25 | XENE | Xenon Pharmaceuticals Inc | — | NEW | New buy |
| 26 | XBI | Ss Spdr S&p Biotech ETF | — | NEW | New buy |
| 27 | 260 | Centessa Pharmaceuticals-adr | — | NEW | New buy |
| 28 | RVMD | Revolution Medicines Inc | — | NEW | New buy |
| 29 | TEVA | Teva Pharmaceutical-sp Adr | — | NEW | New buy |
| 30 | AVTR | Avantor Inc | — | NEW | New buy |
| 31 | IDYA | Ideaya Biosciences Inc | — | NEW | New buy |
| 32 | DOCS | Doximity Inc-class A | — | NEW | New buy |
| 33 | JANX | Janux Therapeutics Inc | — | NEW | New buy |
| 34 | HQY | Healthequity Inc | — | NEW | New buy |
| 35 | 2655787D | Blueprint Medicines CORP | — | NEW | New buy |
| 36 | UTHR | United Therapeutics CORP | — | NEW | New buy |
| 37 | PHAT | Phathom Pharmaceuticals Inc | — | NEW | New buy |
| 38 | VTLUSD | Immunic Inc | — | NEW | New buy |
| 39 | BRKR | Bruker CORP | — | NEW | New buy |
| 40 | CATX | Perspective Therapeutics Inc | — | NEW | New buy |
| 41 | CNTX | Context Therapeutics Inc | — | NEW | New buy |
| 42 | ORKA | Oruka Therapeutics Inc | — | NEW | New buy |
| 43 | QURE | uniQure N.V. | — | NEW | New buy |
| 44 | BHVN | Biohaven Ltd. | — | NEW | New buy |
| 45 | ACAD | Acadia Pharmaceuticals Inc | — | NEW | New buy |
| 46 | RPRX | Royalty Pharma plc | — | NEW | New buy |
| 47 | BBIO | Bridgebio Pharma Inc | — | NEW | New buy |
| 48 | 2KZ0 | Kezar Life Sciences Inc | — | NEW | New buy |
| 49 | AKRO | Akero Therapeutics Inc | — | NEW | New buy |
| 50 | SLNOEUR | Soleno Therapeutics Inc | — | NEW | New buy |
According to official SEC Form 13F filings, Avidity Partners Management LP reported a total U.S. public equity portfolio value of $624.4M across 64 disclosed positions in Q1 2025.
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 HUM, BSX, DNTH) accounted for 25.3% of total reported equity market value during Q1 2025.
Top New Position Initiated
HUM
市值: $42.6M
During Q1 2025, Avidity Partners Management LP's top holdings by market value included HUM (8.1%)、BSX (6.5%)、DNTH (6.0%). The largest single position, HUM, represented 8.1% of total portfolio value.
In Q1 2025, Avidity Partners Management LP made 64 total portfolio adjustments, initiating 64 new buys, adding to 0 positions, trimming 0 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.