BAIN CAPITAL LIFE SCIENCES INVESTORS LLC
Q1 2022 Form 13-F

BOSTON, MASSACHUSETTS
CIK 0001703031 · Institutional investment manager
Consolidated report · includes 14 managers since Q1 2021
$1.0B Reported Value Total
Reported value
$1.0B
Quarter over quarter
-22.9%
Holdings
34
Top-10 concentration
74.2%

Reports holdings for

  • Bain Capital Life Sciences Opportunities IV, L.P. (not a 13F filer in our records) · File #028-26575 · since Q1 2026 · declared by one filing
  • Bain Capital Life Sciences Opportunities IV GP, LLC (not a 13F filer in our records) · File #028-26576 · since Q1 2026 · declared by one filing
  • Bain Capital Life Sciences Fund IV, L.P. (not a 13F filer in our records) · File #028-26577 · since Q1 2026 · declared by one filing
  • Bain Capital Life Sciences IV General Partner, LLC (not a 13F filer in our records) · File #028-26578 · since Q1 2026 · declared by one filing
  • Bain Capital Life Sciences Fund II, L.P. (not a 13F filer in our records) · File #28-20814 · since Q1 2021 · declared by one filing
  • Bain Capital Life Sciences Investors II, LLC (not a 13F filer in our records) · File #28-20816 · since Q1 2021 · declared by one filing
  • Bain Capital Life Sciences Opportunities III, LP (not a 13F filer in our records) · File #28-22966 · since Q1 2023 · declared by one filing
  • Bain Capital Life Sciences Opportunities III GP, LLC (not a 13F filer in our records) · File #28-22968 · since Q1 2023 · declared by one filing
  • Bain Capital Life Sciences III General Partner, LLC (not a 13F filer in our records) · File #28-22975 · since Q1 2023 · declared by one filing
  • BCLS II Investco (GP), LLC (not a 13F filer in our records) · File #28-22976 · since Q1 2023 · declared by one filing
  • BCLS II Investco, LP (not a 13F filer in our records) · File #28-22978 · since Q1 2023 · declared by one filing
  • Bain Capital Life Sciences Fund III, L.P. (not a 13F filer in our records) · File #28-22979 · since Q1 2023 · declared by one filing
  • BCLS Fund III Investments GP, LLC (not a 13F filer in our records) · File #28-25138 · since Q1 2025 · declared by one filing
  • BCLS Fund III Investments, LP (not a 13F filer in our records) · File #28-25140 · since Q1 2025 · declared by one filing
  • Bain Capital Life Sciences Fund IV, L.P. (not a 13F filer in our records) · Q4 2025 – Q4 2025 · declared by one filing
  • Bain Capital Life Sciences IV General Partner, LLC (not a 13F filer in our records) · Q4 2025 – Q4 2025 · declared by one filing
  • Bain Capital Life Sciences Opportunities IV GP, LLC (not a 13F filer in our records) · Q4 2025 – Q4 2025 · declared by one filing
  • Bain Capital Life Sciences Opportunities IV, L.P. (not a 13F filer in our records) · Q4 2025 – Q4 2025 · declared by one filing
  • Bain Capital Life Sciences Partners, LP (not a 13F filer in our records) · File #28-18476 · Q1 2018 – Q3 2025 · declared by one filing
  • Bain Capital Life Sciences Fund, L.P. (not a 13F filer in our records) · File #28-18478 · Q1 2018 – Q3 2025 · declared by one filing
  • BCLS Fund III Investments GP, LLC (not a 13F filer in our records) · Q4 2024 – Q4 2024 · declared by one filing
  • BCLS Fund III Investments, LP (not a 13F filer in our records) · Q4 2024 – Q4 2024 · declared by one filing
  • BC SW, LP (not a 13F filer in our records) · File #28-20270 · Q2 2020 – Q3 2024 · declared by one filing
  • Bain Capital Life Sciences Fund III, L.P. (not a 13F filer in our records) · Q4 2022 – Q4 2022 · declared by one filing
  • Bain Capital Life Sciences III General Partner, LLC (not a 13F filer in our records) · Q4 2022 – Q4 2022 · declared by one filing
  • Bain Capital Life Sciences Opportunities III GP, LLC (not a 13F filer in our records) · Q4 2022 – Q4 2022 · declared by one filing
  • Bain Capital Life Sciences Opportunities III, LP (not a 13F filer in our records) · Q4 2022 – Q4 2022 · declared by one filing
  • BCLS II Investco (GP), LLC (not a 13F filer in our records) · Q4 2022 – Q4 2022 · declared by one filing
  • BCLS II Investco, LP (not a 13F filer in our records) · Q4 2022 – Q4 2022 · declared by one filing
  • BCIP Life Sciences Associates, LP (not a 13F filer in our records) · File #28-21927 · Q1 2022 – Q3 2022 · declared by one filing
  • BCIP Life Sciences Associates, LP (not a 13F filer in our records) · Q4 2021 – Q4 2021 · declared by one filing
  • Bain Capital Life Sciences Fund II, L.P. (not a 13F filer in our records) · Q4 2020 – Q4 2020 · declared by one filing
  • Bain Capital Life Sciences Investors II, LLC (not a 13F filer in our records) · Q4 2020 – Q4 2020 · declared by one filing
  • Bain Capital Life Sciences Partners, LP (not a 13F filer in our records) · File #028-18476 · Q1 2020 – Q1 2020 · declared by one filing
  • BC SW, LP (not a 13F filer in our records) · Q1 2020 – Q1 2020 · declared by one filing
  • Bain Capital Life Sciences Fund, L.P. (not a 13F filer in our records) · Q4 2017 – Q4 2017 · declared by one filing
  • Bain Capital Life Sciences Partners, LP (not a 13F filer in our records) · Q4 2017 – Q4 2017 · declared by one filing

Key People

Named on the latest Form 13-F filing — not necessarily an owner
Adam Koppel
Partner of Bain Capital Life Sciences Investors, LLC
Q4 2021
Q2 2022
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Q1 2022 13F filing summary

Period of report March 31, 2022
Filed May 16, 2022
Form 13F-HR
Reported value $1.0B
Positions 34
Change in reported value -18.4%
New positions 1
Exited positions 1
Position turnover 5.7%
Top-10 concentration 74.2%

13F filings by quarter

Quarter Positions Value
Q2 2026 13F
Filed Aug 14, 2026
 21 $1.7B
Q1 2026 13F
Filed May 15, 2026
 20 $1.1B
Q4 2025 13F
Filed Feb 17, 2026
 19 $1.3B
Q3 2025 13F
Filed Nov 14, 2025
 21 $1.5B
Q2 2025 13F
Filed Aug 14, 2025
 23 $799.3M
Q1 2025 13F
Filed May 15, 2025
 24 $675.9M
Q4 2024 13F
Filed Feb 14, 2025
 26 $850.1M
Q3 2024 13F
Filed Nov 14, 2024
 24 $961.2M
Q2 2024 13F
Filed Aug 12, 2024
 25 $910.8M
Q1 2024 13F
Filed May 15, 2024
 26 $1.2B
Q4 2023 13F
Filed Feb 13, 2024
 27 $1.0B
Q3 2023 13F
Filed Nov 14, 2023
 31 $894.2M
Q2 2023 13F
Filed Aug 14, 2023
 32 $971.0M
Q1 2023 13F
Filed May 15, 2023
 34 $800.1M
Q4 2022 13F
Filed Feb 14, 2023
 33 $894.8M
Q3 2022 13F
Filed Nov 14, 2022
 33 $837.8M
Q2 2022 13F
Filed Aug 15, 2022
 35 $852.7M
Q1 2022 13F
Filed May 16, 2022
 34 $1.0B
Q4 2021 13F
Filed Feb 14, 2022
 34 $1.3B
Q3 2021 13F
Filed Nov 15, 2021
 33 $1.6B

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

Top 20 holdings · Q1 2022

# Holding Reported value % of portfolio
1 SWTX SPRINGWORKS THERAPEUTICS INC $272.7M 26.48%
2 DVAX DYNAVAX TECHNOLOGIES CORP $91.2M 8.86%
3 ARQT ARCUTIS BIOTHERAPEUTICS INC $76.6M 7.44%
4 PHVS PHARVARIS N V $57.7M 5.6%
5 RPID RAPID MICRO BIOSYSTEMS INC $57.3M 5.56%
6 NUVL NUVALENT INC $47.6M 4.62%
7 CRNX CRINETICS PHARMACEUTICALS IN $44.6M 4.33%
8 EQRX EQRX INC $41.3M 4.01%
9 CCCC C4 THERAPEUTICS INC $39.8M 3.87%
10 AMLX AMYLYX PHARMACEUTICALS INC $35.4M 3.44%
11 MRSN MERSANA THERAPEUTICS INC $26.0M 2.53%
12 TSVT 2SEVENTY BIO INC $24.0M 2.33%
13 APTX APTINYX INC $20.2M 1.96%
14 XLO XILIO THERAPEUTICS INC $19.8M 1.93%
15 NRIX NURIX THERAPEUTICS INC $18.0M 1.75%
16 AVIR ATEA PHARMACEUTICALS INC $17.9M 1.74%
17 SVRA SAVARA INC $15.2M 1.48%
18 TNGX TANGO THERAPEUTICS INC $14.6M 1.41%
19 MRNS MARINUS PHARMACEUTICALS INC $13.4M 1.3%
20 RACB RESEARCH ALLIANCE CORP II $9.8M 0.95%

Values as reported on the Q1 2022 Form 13F. Every position is in the holdings table below.

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