SBI Securities Co., Ltd. GREE — Greenidge Generation Holdings Inc A

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

AI Ownership Summary

SBI Securities Co., Ltd. reported Greenidge Generation Holdings Inc A (GREE) in 6 quarterly 13F filings from 2024 Q4 through 2026 Q1. The latest visible filing shows GREE 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 GREE 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 Greenidge Generation Holdings Inc A, 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

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

High-water mark
Peak Conviction
0.0% in 2024 Q4

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.

GREE stock page SBI Securities Co., Ltd. fund profile SBI Securities Co., Ltd. full holdings
How SBI Securities Co., Ltd. held GREE — position size vs. price
% of Fund (quarterly)    GREE 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 ADDED — — — 2,619 +30 +1.2% 0.00% $3K 2026-04-28 $1.12
2025 Q4 REDUCED — — — 2,589 -35 -1.3% 0.00% $4K 2026-02-03 $1.23
2025 Q3 REDUCED — — — 2,624 -2 -0.1% 0.00% $5K 2025-11-05 $1.62
2025 Q2 REDUCED 10.6% +31.8% ❌ 2,626 -313 -10.6% 0.00% $3K 2025-08-08 $1.50
2025 Q1 UNCHANGED — — — 2,939 — 0% 0.00% $2K 2025-05-02 $1.10
2024 Q4 INITIATED — — — 2,939 — — 0.00% $5K 2025-02-06 $1.19

🏢 Other funds also holding GREE

As of 2026 Q1 — sorted by position size

GSA CAPITAL PARTNERS LLP 3Y 7Y 0.02% Graham Capital Management, L.P. 3Y 7Y 0.01% EWA, LLC 0.0% Dynamic Technology Lab Private Ltd 3Y 7Y 0.0% XTX Topco Ltd 3Y 0.0% BRIDGEWAY CAPITAL MANAGEMENT, LLC 3Y 7Y 0.0% Centiva Capital, LP 3Y 7Y 0.0% Tower Research Capital LLC (TRC) 3Y 7Y 0.0% RENAISSANCE TECHNOLOGIES LLC 3Y 7Y 0.0% Federation des caisses Desjardins du Quebec 0.0%

FAQ About SBI Securities Co., Ltd. and GREE

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 GREE?

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

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

The largest reported portfolio weight for GREE was 0.00% in 2024 Q4.

What is the latest reported GREE position on this page?

The most recent filing on this page is 2026 Q1, when SBI Securities Co., Ltd. reported 2,619 shares, equal to 0.00% of portfolio, with an estimated market value of $3K.

What does the chart on this GREE ownership page compare?

The chart compares SBI Securities Co., Ltd.'s quarterly GREE 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 GREE position?

Based on 13F filing dates vs. subsequent GREE price moves, SBI Securities Co., Ltd. correctly timed 2 out of 4 reported position changes (50%). The annualised alpha on GREE relative to SPY over the holding period was -17.5%.

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