Aileron Therapeutics, Inc.

Historical 13F Holders

Symbol
RNTX
CUSIP
00887A204
All holders as of
Q2 2026
Type
Equity
Class
COM NEW
Reported Value, Excluding Options
Total Filings

13D/G Filers

Investors who own more than 5% of a class must file a Schedule 13D or 13G. Each filer's latest filing for 00887A204 since 12/18/2024, largest first.

Filer % of Class Filed
BIOS Fund I, LP 13G/A
10.0% 5/8/2026
Event 5/6/2026
Funicular Funds, LP 13G
6.7% 5/7/2026
Event 5/1/2026
Voss Capital, LP 13G/A
6.6% 7/14/2026
Event 6/30/2026
ADAR1 Capital Management, LLC 13G
5.3% 8/14/2026
Event 6/30/2026
Lynwood Capital Management Inc. 13G/A
5.0% 8/14/2026
Event 6/30/2026
Under 5%, checked the "5 percent or less" box, or amended by a later filing (3)
BIOS Fund III, LP 13G
Amended under CUSIP 67577R102 on 5/13/2026
6.2% 8/11/2025
Event 5/5/2025
Lytton Laurence W 13G/A 4.9% 8/13/2026
Event 6/30/2026
University of Texas/Texas Am Investment Management Co 13G/A
4.4% 11/5/2024
Event 11/4/2024

13F Holders by Quarter

Period Filings Shares, Excl. Options Value, Excl. Options
2026 Q3 4 42.5 k $34.2 k
2026 Q2 60 40.9 M $42.5 M
2026 Q1 46 11.4 M $14.8 M
2025 Q4 48 10.8 M $12.5 M
2025 Q3 40 8.49 M $9.76 M
2025 Q2 37 6.66 M $9.54 M
2025 Q1 40 6.02 M $10.6 M
2024 Q4 32 5.68 M $13.1 M
2024 Q3 32 4.61 M $16.3 M
2024 Q2 32 7.14 M $19.7 M
2024 Q1 26 1.69 M $11.0 M
2023 Q4 22 1.06 M $3.25 M
2023 Q3 17 1.05 M $1.59 M
2023 Q2 18 1.02 M $1.83 M
2023 Q1 20 1.05 M $1.30 M
2022 Q4 20 1.36 M $3.21 M