RTW INVESTMENTS LP
Q3 2021 Form 13-F

NEW YORK, NEW YORK
CIK 0001493215 · CRD 153232 · SEC-registered investment adviser
$6.6B Reported Value Total

RTW INVESTMENTS LP reports 8 total accounts under management (AUM). There are 8 discretionary accounts valued at $7,983,332,490, and 0 non-discretionary accounts.

Source: Form ADV filed * Note that certain holdings are exempt from Form 13-F reporting, so the AUM totals may be greater than the Form 13-F total.
SEC Registered Discretionary Manager
Private funds (Form ADV)
9 funds · $13.7B gross asset value
Hedge Fund: $13.4B · Private Equity Fund: $284.4M
Source: Form ADV filed 2026-03-30
Reported value
$6.6B
Quarter over quarter
-7.5%
Holdings
120
Top-10 concentration
41.1%

Filing Structure

Reports holdings for

  • RTW MASTER FUND LTD · File #028-16671 · Q4 2014 – Q2 2023 · declared by one filing
  • RTW Innovation Master Fund Ltd · File #028-19525 · Q1 2019 – Q2 2023 · declared by one filing
  • RTW Venture Fund Ltd · File #028-19571 · Q2 2019 – Q2 2023 · declared by one filing
  • RTW Special Purpose Fund II, LLC (not a 13F filer in our records) · File #028-19631 · Q3 2019 – Q4 2020

Key People

Form ADV owners & control persons
Roderick Tze Ian Wong
MANAGING PARTNER, CHIEF INVESTMENT OFFICER
Naveen Yalamanchi
PARTNER, PORTFOLIO MANAGER
Robert John Aurigema
PARTNER, CHIEF OPERATING OFFICER AND CHIEF FINANCIAL OFFICER

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Q3 2021 13F record

Q3 2021 13F filing summary

Q3 2021 Form 13F portfolio summary
Period of report September 30, 2021
Filed November 15, 2021
Form 13F-HR
Reported value $6.6B
Positions 120
Change in reported value +0.1%
New positions 20
Exited positions 13
Position turnover 24.8%
Top-10 concentration 41.1%

13F filings by quarter

Form 13F filings by quarter
Quarter Positions Value
Q2 2026 13F
Filed Aug 14, 2026
84 $11.7B
Q1 2026 13F
Filed May 15, 2026
88 $10.0B
Q4 2025 13F
Filed Feb 17, 2026
91 $10.0B
Q3 2025 13F
Filed Nov 14, 2025
74 $8.1B
Q2 2025 13F
Filed Aug 14, 2025
73 $7.0B
Q1 2025 13F
Filed May 15, 2025
68 $6.5B
Q4 2024 13F
Filed Feb 14, 2025
72 $6.6B
Q3 2024 13F
Filed Nov 14, 2024
68 $6.9B
Q2 2024 13F
Filed Aug 14, 2024
68 $6.5B
Q1 2024 13F
Filed May 15, 2024
69 $6.8B
Q4 2023 13F
Filed Feb 14, 2024
64 $6.4B
Q3 2023 13F
Filed Nov 14, 2023
67 $4.7B
Q2 2023 13F
Filed Aug 14, 2023
62 $5.3B
Q1 2023 13F
Filed May 15, 2023
60 $4.8B
Q4 2022 13F
Filed Feb 14, 2023
77 $4.9B
Q3 2022 13F
Filed Nov 14, 2022
85 $4.3B
Q2 2022 13F
Filed Aug 15, 2022
107 $3.9B
Q1 2022 13F
Filed May 16, 2022
106 $4.8B
Q4 2021 13F
Filed Feb 14, 2022
124 $6.8B
Q3 2021 13F
Filed Nov 15, 2021
120 $6.6B

27 earlier quarters on file — choose one from the quarter menu above.

Top 20 holdings · Q3 2021

Largest Q3 2021 13F positions by reported value
# Holding Reported value % of portfolio
1 RCKT ROCKET PHARMACEUTICALS INC $469.6M 7.08%
2 SPY SPDR S&P 500 ETF TR $374.7M 5.65%
3 ALNY ALNYLAM PHARMACEUTICALS INC $317.8M 4.79%
4 MRTX MIRATI THERAPEUTICS INC $264.0M 3.98%
5 TMO THERMO FISHER SCIENTIFIC INC $237.7M 3.58%
6 MASI MASIMO CORP $225.4M 3.4%
7 VCEL VERICEL CORP $220.5M 3.32%
8 CLDX CELLDEX THERAPEUTICS INC NEW $211.0M 3.18%
9 NTRA NATERA INC $207.5M 3.13%
10 PTCT PTC THERAPEUTICS INC $197.0M 2.97%
11 ILMN ILLUMINA INC $195.8M 2.95%
12 ESTA ESTABLISHMENT LABS HLDGS INC $166.0M 2.5%
13 DRNA DICERNA PHARMACEUTICALS INC $152.9M 2.31%
14 TNDM TANDEM DIABETES CARE INC $138.6M 2.09%
15 GMED GLOBUS MED INC $128.0M 1.93%
16 AXNX AXONICS INC $126.5M 1.91%
17 RNA AVIDITY BIOSCIENCES INC $118.1M 1.78%
18 GH GUARDANT HEALTH INC $115.7M 1.74%
19 CCCC C4 THERAPEUTICS INC $111.5M 1.68%
20 ISEE IVERIC BIO INC $109.2M 1.65%

Values as reported on the Q3 2021 Form 13F. Every position is in the holdings table below.

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