Avidity Partners Management LP

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Avidity Partners Management LP
CRD #304628
SEC #801-118809
CIK #0001791827
AUM 1,059.2 M (2026-03-31)
Employees 9 (78% Investors, 0% Brokers)
Phone214-550-1696
Address2828 N Harwood St, Suite 1220
Dallas, TX 75201
Source [IAPD] [EDGAR] [LinkedIn]
Total AUM ($B)
10.08.06.04.02.00.02010201520212027
Sector Form 13F Holdings Value ($B)
Magenta Therapeutics Inc 0.4
ARCA Biopharma Inc 0.1
CG Oncology Inc 0.1
Aerovate Therapeutics Inc 0.1
Isoray Inc 0.0
Imara Inc 0.0
Context Therapeutics Inc 0.0
Teva Pharmaceutical Industries Ltd 0.0
Repligen Corp 0.0
Marika Inc 0.0
View All
Holdings by Sector ($B)
5.04.03.02.01.00.02019202120242027
Type Form D Funds Date Sold AUM
HF Avidity Private Master Fund I LP [2022-03-14] 169.2 M 480.3 M
Filed 2022-11-23 (D/A) · Exemption 506(b), 3(c), 3(c)(7) · Minimum $100,000 · Remaining Indefinite · Duration One year or less · Revenue Decline to Disclose
HF Avidity Master Fund III LP [2021-03-31] 30.0 M
Filed 2023-02-22 (D/A) · Exemption 506(b), 3(c), 3(c)(7) · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose
HF Avidity Capital Fund II LP [2020-04-27] 197.9 M 24.6 M
Filed 2024-02-22 (D/A) · Exemption 506(b), 3(c), 3(c)(7) · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose
HF Avidity Master Fund LP [2019-10-07] 1,067.3 M 554.3 M
Filed 2025-09-26 (D/A) · Exemption 506(b), 3(c), 3(c)(7) · Minimum $100,000 · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose
AUM Breakdown Accounts AUM ($B)
By Client Type
(a) Individuals (other than high net worth individuals) 0 0.0
(b) Individuals (high net worth individuals) 0 0.0
(c) Banking or thrift institutions 0 0.0
(d) Investment companies 0 0.0
(e) Business development companies 0 0.0
(f) Pooled investment vehicles 7 1.1
(g) Pension and profit sharing plans 0 0.0
(h) Charitable organizations 0 0.0
(i) State or municipal government entities 0 0.0
(j) Other investment advisers 0 0.0
(k) Insurance companies 0 0.0
(l) Sovereign wealth funds and foreign official institutions 0 0.0
(m) Corporations or other businesses not listed above 0 0.0
(n) Other 0 0.0
Total 7 1.1
By Discretionary
Discretionary 7 1.1
Non-Discretionary 0 0.0
Total 7 1.1
By Non-United States Persons
Non-United States Persons 1.0
United States Persons 0.0
Total 7 1.1
Form D Directors Role # Filings # Firms 2011 - 2026
Georgia Prinsloo Director 156 37
Russell Burt Director 113 29
Avidity Partners Management LP Executive Officer 7 2
Avidity Capital Partners Fund GP LP Executive Officer 6 2
Michael Gregory Director 6 2
EDGAR Form CIK 2011 - 2026
13F-HR [0001791827]
3 [0001791827]
4 [0001791827]
SC 13D [0001791827]
SC 13G [0001791827]
Form 13D/13G Filer Form 13D/13G Subject Filed
Avidity Partners Management LP Immunic Inc [2026-04-17]
Avidity Partners Management LP Perspective Therapeutics Inc [2026-03-10]
Avidity Partners Management LP Perspective Therapeutics Inc [2024-11-14]
Avidity Partners Management LP Context Therapeutics Inc [2024-05-13]
Avidity Partners Management LP ARCA Biopharma Inc [2024-04-09]
Avidity Partners Management LP Jasper Therapeutics Inc [2024-03-27]
Avidity Partners Management LP Dianthus Therapeutics Inc /DE/ [2024-01-31]
Avidity Partners Management LP Immunic Inc [2024-01-16]
Avidity Partners Management LP Caribou Biosciences Inc [2024-01-08]
Avidity Partners Management LP Fusion Pharmaceuticals Inc [2023-10-23]
View All
Firm Profile (Form ADV)
ServesInstitutional
Fund TypesHedge Fund, Private Equity
LEI5493008LOMI55YUT1518
Form 3/4/5 Subject 2011 - 2026
Dianthus Therapeutics Inc /DE/
Avidity Partners Management LP
Gregory Michael David
Meng Lei
Witzke David Roy
Avidity Partners Management GP LLC
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Dianthus Therapeutics Inc /DE/ DNTH
Common Stock
2024-01-22 Grant 1,500,000 $12.00 18,000,000
Dianthus Therapeutics Inc /DE/ DNTH
Pre-Funded Warrants (Right to Buy) · derivative
2024-01-22 Grant 1,833,333 $12.00 21,999,996
Dianthus Therapeutics Inc /DE/ DNTH
Stock Option (Right to Buy) · derivative
2023-09-11 Grant 6,500 $0.00
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