EQ EQUILLIUM INC

Ownership history in CITADEL ADVISORS LLC  ·  33 quarters on record

AI Ownership Summary

CITADEL ADVISORS LLC reported EQUILLIUM INC (EQ) in 33 quarterly 13F filings from 2023 Q4 through 2025 Q4. The latest visible filing shows EQ 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 EQ ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was CITADEL ADVISORS LLC's position in EQUILLIUM 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

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

High-water mark
Peak Conviction
0.0% in 2025 Q3

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 CITADEL ADVISORS LLC held EQ — position size vs. price
% of Fund (quarterly)    EQ price (quarter-end, indexed to 100)
📋 Quarterly Holdings History 13 quarters  
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q4 ADDED 79,600 +51,600 +184.3% 0.00% $123K 2026-02-14 (Est.) $1.57
2025 Q4 REDUCED 28,000 -57,557 -67.3% 0.00% $43K 2026-02-14 (Est.) $1.57
2025 Q3 ADDED 85,557 +67,557 +375.3% 0.00% $122K 2025-11-14 $1.04
2025 Q3 REDUCED 18,000 -112,705 -86.2% 0.00% $26K 2025-11-14 $1.04
2025 Q2 ADDED 130,705 +75,056 +134.9% 0.00% $41K 2025-08-14 $0.98
2025 Q1 ADDED 55,649 +55,549 +55549.0% 0.00% $22K 2025-05-15 $0.39
2025 Q1 REDUCED 100 -13,100 -99.2% 0.00% $39 2025-05-15 $0.39
2025 Q1 ADDED 13,200 +12,894 +4213.7% 0.00% $5K 2025-05-15 $0.39
2024 Q1 ADDED 306 +106 +53.0% 0.00% $707 2024-05-15 $1.54
2024 Q1 REDUCED 200 -9,800 -98.0% 0.00% $462 2024-05-15 $1.54
2024 Q1 REDUCED 10,000 -52,999 -84.1% 0.00% $23K 2024-05-15 $1.54
2023 Q4 ADDED 62,999 +57,099 +967.8% 0.00% $46K 2024-02-14 $1.60
2023 Q4 REDUCED 5,900 -41,083 -87.4% 0.00% $4K 2024-02-14 $1.60
20 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

FAQ About CITADEL ADVISORS LLC and EQ

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

How long has CITADEL ADVISORS LLC reported owning EQ?

CITADEL ADVISORS LLC reported EQ across 13 quarterly 13F filings, from 2023 Q4 through 2025 Q4.

What was the largest reported EQ position in CITADEL ADVISORS LLC's portfolio?

The largest reported portfolio weight for EQ was 0.00% in 2025 Q3.

What is the latest reported EQ position on this page?

The most recent filing on this page is 2025 Q4, when CITADEL ADVISORS LLC reported 79,600 shares, equal to 0.00% of portfolio, with an estimated market value of $123K.

What does the chart on this EQ ownership page compare?

The chart compares CITADEL ADVISORS LLC's quarterly EQ 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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