SBI Securities Co., Ltd. SPXU — Prosh Ultrapro Short S&P 500 ETF

Ownership history in SBI Securities Co., Ltd.  ·  6 quarters on record

AI Ownership Summary

SBI Securities Co., Ltd. reported Prosh Ultrapro Short S&P 500 ETF (SPXU) in 6 quarterly 13F filings from 2024 Q4 through 2026 Q1. The latest visible filing shows SPXU 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.

What this SPXU ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was SBI Securities Co., Ltd.'s position in Prosh Ultrapro Short S&P 500 ETF, 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
2026 Q1

SPXU 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
2024 Q4 to 2026 Q1

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.

SPXU stock page SBI Securities Co., Ltd. fund profile SBI Securities Co., Ltd. full holdings
How SBI Securities Co., Ltd. held SPXU — position size vs. price
% of Fund (quarterly)    SPXU price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 6 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 REDUCED — — — 518 -38 -6.8% 0.00% $29K 2026-04-28 $43.35
2025 Q4 REDUCED 88.4% +15.0% ❌ 556 -4,239 -88.4% 0.00% $28K 2026-02-03 $48.05
2025 Q3 ADDED — — — 4,795 +4,129 +620.0% 0.00% $65K 2025-11-05 $50.24
2025 Q2 ADDED — — — 666 +548 +464.4% 0.00% $11K 2025-08-08 $59.55
2025 Q1 REDUCED 51.6% -33.5% ✅ 118 -126 -51.6% 0.00% $3K 2025-05-02 $83.62
2024 Q4 INITIATED — — — 244 — — 0.00% $5K 2025-02-06 $76.91

🏢 Other funds also holding SPXU

As of 2026 Q1 — sorted by position size

Revere Asset Management, Inc 5.04% MOULTON WEALTH MANAGEMENT, INC 3Y 1.78% RICHARDS, MERRILL & PETERSON, INC. 0.19% Cadent Capital Advisors, LLC 3Y 0.13% Beacon Capital Management, Inc. 3Y 7Y 0.04% IMC-Chicago, LLC 3Y 7Y 0.01% BEACON INVESTMENT ADVISORY SERVICES, INC. 3Y 7Y 0.0% UBS Group AG 3Y 7Y 0.0% SG Americas Securities, LLC 3Y 7Y 0.0% Strategic Investment Solutions, Inc. /IL 3Y 0.0%

FAQ About SBI Securities Co., Ltd. and SPXU

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

How long has SBI Securities Co., Ltd. reported owning SPXU?

SBI Securities Co., Ltd. reported SPXU across 6 quarterly 13F filings, from 2024 Q4 through 2026 Q1.

What was the largest reported SPXU position in SBI Securities Co., Ltd.'s portfolio?

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

What is the latest reported SPXU position on this page?

The most recent filing on this page is 2026 Q1, when SBI Securities Co., Ltd. reported 518 shares, equal to 0.00% of portfolio, with an estimated market value of $29K.

What does the chart on this SPXU ownership page compare?

The chart compares SBI Securities Co., Ltd.'s quarterly SPXU 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 SBI Securities Co., Ltd. time their SPXU position?

Based on 13F filing dates vs. subsequent SPXU price moves, SBI Securities Co., Ltd. correctly timed 3 out of 5 reported position changes (60%). The annualised alpha on SPXU relative to SPY over the holding period was -45.8%.

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