683 Capital Management, LLC PYXS β€” PYXIS ONCOLOGY INC

Ownership history in 683 Capital Management, LLC  Β·  6 quarters on record

AI Ownership Summary

683 Capital Management, LLC reported PYXIS ONCOLOGY INC (PYXS) in 6 quarterly 13F filings from 2024 Q3 through 2025 Q4. Peak portfolio weight reached 0.12% in 2024 Q3. The latest visible filing shows PYXS at 0.04% 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.

What this PYXS ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was 683 Capital Management, LLC's position in PYXIS ONCOLOGY 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

PYXS was reported at 0.04% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.12% in 2024 Q3

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

Time in book
Holding Window
2024 Q3 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.

PYXS stock page 683 Capital Management, LLC fund profile 683 Capital Management, LLC full holdings
How 683 Capital Management, LLC held PYXS β€” position size vs. price
% of Fund (quarterly)    PYXS price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
πŸ“‹ Quarterly Holdings History 6 quarters  β–Ύ
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q4 ADDED β€” β€” β€” 891,910 +366,910 +69.9% 0.04% $1.0M 2026-02-14 (Est.) $1.30
2025 Q3 REDUCED β€” β€” β€” 525,000 -20,000 -3.7% 0.06% $1.2M 2025-11-14 $4.36
2025 Q2 REDUCED β€” β€” β€” 545,000 -5,000 -0.9% 0.04% $600K 2025-08-14 $1.13
2025 Q1 ADDED β€” β€” β€” 550,000 +135,000 +32.5% 0.04% $539K 2025-05-15 $1.11
2024 Q4 ADDED β€” β€” β€” 415,000 +344 +0.1% 0.04% $647K 2025-02-14 $1.32
2024 Q3 INITIATED β€” β€” β€” 414,656 β€” β€” 0.12% $1.5M 2024-11-14 $4.28

🏒 Other funds also holding PYXS

As of 2026 Q1 β€” sorted by position size

Physician Wealth Advisors, Inc. 3Y 0.0% GF FUND MANAGEMENT CO. LTD. 0.0%

FAQ About 683 Capital Management, LLC and PYXS

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

How long has 683 Capital Management, LLC reported owning PYXS?

683 Capital Management, LLC reported PYXS across 6 quarterly 13F filings, from 2024 Q3 through 2025 Q4.

What was the largest reported PYXS position in 683 Capital Management, LLC's portfolio?

The largest reported portfolio weight for PYXS was 0.12% in 2024 Q3.

What is the latest reported PYXS position on this page?

The most recent filing on this page is 2025 Q4, when 683 Capital Management, LLC reported 891,910 shares, equal to 0.04% of portfolio, with an estimated market value of $1.0M.

What does the chart on this PYXS ownership page compare?

The chart compares 683 Capital Management, LLC's quarterly PYXS 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 683 Capital Management, LLC time their PYXS position?

Based on 13F filing dates vs. subsequent PYXS price moves, 683 Capital Management, LLC correctly timed 2 out of 5 reported position changes (40%). The annualised alpha on PYXS relative to SPY over the holding period was +93.1%.

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