ACADIAN ASSET MANAGEMENT LLC ETON — ETON PHARMACEUTICALS INC

Ownership history in ACADIAN ASSET MANAGEMENT LLC  ·  9 quarters on record

AI Ownership Summary

ACADIAN ASSET MANAGEMENT LLC reported ETON PHARMACEUTICALS INC (ETON) in 9 quarterly 13F filings from 2023 Q4 through 2025 Q3. Peak portfolio weight reached 0.01% in 2025 Q1. The latest visible filing shows ETON at 0.00% 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 ETON ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was ACADIAN ASSET MANAGEMENT LLC's position in ETON PHARMACEUTICALS 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 Q3

ETON was reported at 0.00% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.01% in 2025 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 Q3

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.

ETON stock page ACADIAN ASSET MANAGEMENT LLC fund profile ACADIAN ASSET MANAGEMENT LLC full holdings
How ACADIAN ASSET MANAGEMENT LLC held ETON — position size vs. price
% of Fund (quarterly)    ETON price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 8 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q3 REDUCED 93.3% -22.7% ✅ 26,410 -366,305 -93.3% 0.00% $573K 2025-11-14 (Est.) $16.94
2025 Q2 REDUCED — — — 392,715 -9,713 -2.4% 0.01% $5.6M 2025-08-14 (Est.) $16.70
2025 Q1 ADDED — — — 402,428 +153,923 +61.9% 0.01% $5.2M 2025-05-21 $20.24
2024 Q4 ADDED — — — 248,505 +142,551 +134.5% 0.01% $3.3M 2025-02-11 $17.27
2024 Q3 REDUCED 12.1% +117.2% ❌ 105,954 -14,620 -12.1% 0.00% $634K 2024-11-12 $9.17
2024 Q2 REDUCED 22.9% +82.4% ❌ 120,574 -35,812 -22.9% 0.00% $395K 2024-08-06 $3.50
2024 Q1 ADDED — — — 156,386 +18,898 +13.7% 0.00% $585K 2024-05-10 $3.43
2023 Q4 ADDED — — — 137,488 +40,224 +41.4% 0.00% $601K 2024-02-13 $4.42
1 older quarter hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding ETON

As of 2026 Q1 — sorted by position size

Opaleye Management Inc. 3Y 7Y 9.3% CANNELL CAPITAL LLC 3Y 7Y 5.18% Pillsbury Lake Capital LLC 4.07% Panoramic Capital, LLC 3.21% EcoR1 Capital, LLC 3Y 7Y 2.27% Westside Investment Management, Inc. 3Y 7Y 1.77% Lumbard & Kellner, LLC 3Y 7Y 1.5% Nantahala Capital Management, LLC 3Y 7Y 1.07% Diametric Capital, LP 3Y 7Y 1.01% Aristides Capital LLC 3Y 0.99%

FAQ About ACADIAN ASSET MANAGEMENT LLC and ETON

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

How long has ACADIAN ASSET MANAGEMENT LLC reported owning ETON?

ACADIAN ASSET MANAGEMENT LLC reported ETON across 8 quarterly 13F filings, from 2023 Q4 through 2025 Q3.

What was the largest reported ETON position in ACADIAN ASSET MANAGEMENT LLC's portfolio?

The largest reported portfolio weight for ETON was 0.01% in 2025 Q1.

What is the latest reported ETON position on this page?

The most recent filing on this page is 2025 Q3, when ACADIAN ASSET MANAGEMENT LLC reported 26,410 shares, equal to 0.00% of portfolio, with an estimated market value of $573K.

What does the chart on this ETON ownership page compare?

The chart compares ACADIAN ASSET MANAGEMENT LLC's quarterly ETON 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.

How well did ACADIAN ASSET MANAGEMENT LLC time their ETON position?

Based on 13F filing dates vs. subsequent ETON price moves, ACADIAN ASSET MANAGEMENT LLC correctly timed 3 out of 8 reported position changes (38%). The annualised alpha on ETON relative to SPY over the holding period was +73.6%.

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