Susquehanna Portfolio Strategies, LLC STEM — STEM INC

Ownership history in Susquehanna Portfolio Strategies, LLC  ·  4 quarters on record

AI Ownership Summary

Susquehanna Portfolio Strategies, LLC reported STEM INC (STEM) in 4 quarterly 13F filings from 2025 Q3 through 2026 Q1. Peak portfolio weight reached 0.01% in 2025 Q3. The latest visible filing shows STEM 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 STEM ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Susquehanna Portfolio Strategies, LLC's position in STEM 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
2026 Q1

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

High-water mark
Peak Conviction
0.01% 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 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.

STEM stock page Susquehanna Portfolio Strategies, LLC fund profile Susquehanna Portfolio Strategies, LLC full holdings
How Susquehanna Portfolio Strategies, LLC held STEM — position size vs. price
% of Fund (quarterly)    STEM price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 3 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 REDUCED 55.4% -15.4% ✅ 11,955 -14,826 -55.4% 0.00% $106K 2026-05-15 $8.75
2025 Q4 UNCHANGED — — — 26,781 — 0% 0.01% $403K 2026-02-17 $11.30
2025 Q3 REDUCED 78.9% -13.6% ✅ 26,781 -99,884 -78.9% 0.01% $469K 2025-11-14 $16.69
1 older quarter hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding STEM

As of 2026 Q1 — sorted by position size

Keyframe Capital Partners, L.P. 3Y 100.0% GSA CAPITAL PARTNERS LLP 3Y 7Y 0.06% CSS LLC/IL 3Y 7Y 0.03% BRIDGEWAY CAPITAL MANAGEMENT, LLC 3Y 7Y 0.01% Zweig-DiMenna Associates LLC 3Y 7Y 0.01% Virtu Financial LLC 3Y 7Y 0.01% Trexquant Investment LP 3Y 7Y 0.01% MARSHALL WACE, LLP 3Y 7Y 0.0% XTX Topco Ltd 3Y 0.0% TWO SIGMA INVESTMENTS, LP 3Y 7Y 0.0%

FAQ About Susquehanna Portfolio Strategies, LLC and STEM

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

How long has Susquehanna Portfolio Strategies, LLC reported owning STEM?

Susquehanna Portfolio Strategies, LLC reported STEM across 3 quarterly 13F filings, from 2025 Q3 through 2026 Q1.

What was the largest reported STEM position in Susquehanna Portfolio Strategies, LLC's portfolio?

The largest reported portfolio weight for STEM was 0.01% in 2025 Q3.

What is the latest reported STEM position on this page?

The most recent filing on this page is 2026 Q1, when Susquehanna Portfolio Strategies, LLC reported 11,955 shares, equal to 0.00% of portfolio, with an estimated market value of $106K.

What does the chart on this STEM ownership page compare?

The chart compares Susquehanna Portfolio Strategies, LLC's quarterly STEM 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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