KPTI β€” KARYOPHARM THERAPEUTICS INC

Ownership history in Belvedere Trading LLC  Β·  6 quarters on record

AI Ownership Summary

Belvedere Trading LLC reported KARYOPHARM THERAPEUTICS INC (KPTI) in 6 quarterly 13F filings from 2025 Q3 through 2025 Q4. The latest visible filing shows KPTI 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 KPTI ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Belvedere Trading LLC's position in KARYOPHARM THERAPEUTICS 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

KPTI 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
2025 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.

How Belvedere Trading LLC held KPTI β€” position size vs. price
% of Fund (quarterly)    KPTI price (quarter-end, indexed to 100)
πŸ“‹ Quarterly Holdings History 3 quarters  β–Ύ
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q4 ADDED 12,300 +11,800 +2360.0% 0.00% $91K 2026-02-14 (Est.) $8.58
2025 Q3 REDUCED 500 -14,063 -96.6% 0.00% $3K 2025-10-27 $6.42
2025 Q3 ADDED 14,563 +2,763 +23.4% 0.00% $95K 2025-10-27 $6.42
3 older quarters hidden  β€”  Sign in free or upgrade to Premium to see full history

🏒 Other funds also holding KPTI

As of 2026 Q1 β€” sorted by position size

MB, LEVIS & ASSOCIATES, LLC 0.0% West Branch Capital LLC 3Y 7Y 0.0%

FAQ About Belvedere Trading LLC and KPTI

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

How long has Belvedere Trading LLC reported owning KPTI?

Belvedere Trading LLC reported KPTI across 3 quarterly 13F filings, from 2025 Q3 through 2025 Q4.

What was the largest reported KPTI position in Belvedere Trading LLC's portfolio?

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

What is the latest reported KPTI position on this page?

The most recent filing on this page is 2025 Q4, when Belvedere Trading LLC reported 12,300 shares, equal to 0.00% of portfolio, with an estimated market value of $91K.

What does the chart on this KPTI ownership page compare?

The chart compares Belvedere Trading LLC's quarterly KPTI 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.

← Back to Belvedere Trading LLC Holdings