RNA β€” AVIDITY BIOSCIENCES INC

Ownership history in ALETHEA CAPITAL MANAGEMENT, LLC  Β·  21 quarters on record

AI Ownership Summary

ALETHEA CAPITAL MANAGEMENT, LLC reported AVIDITY BIOSCIENCES INC (RNA) in 21 quarterly 13F filings from 2023 Q4 through 2025 Q4. Peak portfolio weight reached 15.77% in 2024 Q1. The latest visible filing shows RNA at 15.62% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings. Older history is available after unlock; the visible window still shows the most recent pattern.

What this RNA ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was ALETHEA CAPITAL MANAGEMENT, LLC's position in AVIDITY BIOSCIENCES INC, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2025 Q4

RNA was reported at 15.62% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
15.77% in 2024 Q1

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2023 Q4 to 2025 Q4

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

How ALETHEA CAPITAL MANAGEMENT, LLC held RNA β€” position size vs. price
% of Fund (quarterly)    RNA price (quarter-end, indexed to 100)
πŸ“‹ Quarterly Holdings History 9 quarters  β–Ύ
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q4 UNCHANGED 446,127 β€” 0% 15.62% $32.2M 2026-02-14 (Est.) $37.38
2025 Q3 ADDED 446,127 +17,503 +4.1% 12.49% $19.4M 2025-11-14 $34.03
2025 Q2 ADDED 428,624 +6,900 +1.6% 9.21% $12.2M 2025-08-14 $36.51
2025 Q1 ADDED 421,724 +853 +0.2% 9.29% $12.4M 2025-05-14 $33.39
2024 Q4 REDUCED 420,871 -6,583 -1.5% 10.48% $12.2M 2025-02-14 $38.98
2024 Q3 REDUCED 427,454 -76,050 -15.1% 14.18% $19.6M 2024-11-14 $33.00
2024 Q2 REDUCED 503,504 -257,193 -33.8% 15.61% $20.6M 2024-08-15 $35.25
2024 Q1 REDUCED 760,697 -93,954 -11.0% 15.77% $19.4M 2024-05-16 $29.31
2023 Q4 UNCHANGED 854,651 β€” 0% 8.92% $7.7M 2024-02-15 $35.06
12 older quarters hidden  β€”  Sign in free or upgrade to Premium to see full history

🏒 Other funds also holding RNA

As of 2026 Q1 β€” sorted by position size

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FAQ About ALETHEA CAPITAL MANAGEMENT, LLC and RNA

These are the practical questions this page is built to answer before you even open the full history table.

How long has ALETHEA CAPITAL MANAGEMENT, LLC reported owning RNA?

ALETHEA CAPITAL MANAGEMENT, LLC reported RNA across 9 quarterly 13F filings, from 2023 Q4 through 2025 Q4.

What was the largest reported RNA position in ALETHEA CAPITAL MANAGEMENT, LLC's portfolio?

The largest reported portfolio weight for RNA was 15.77% in 2024 Q1.

What is the latest reported RNA position on this page?

The most recent filing on this page is 2025 Q4, when ALETHEA CAPITAL MANAGEMENT, LLC reported 446,127 shares, equal to 15.62% of portfolio, with an estimated market value of $32.2M.

What does the chart on this RNA ownership page compare?

The chart compares ALETHEA CAPITAL MANAGEMENT, LLC's quarterly RNA portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

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