Quantbot Technologies LP SES — SES AI CORP

Ownership history in Quantbot Technologies LP  ·  4 quarters on record

AI Ownership Summary

Quantbot Technologies LP reported SES AI CORP (SES) in 4 quarterly 13F filings from 2025 Q4 through 2026 Q3. Peak portfolio weight reached 0.01% in 2025 Q4. The latest visible filing shows SES 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 SES ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Quantbot Technologies LP's position in SES AI CORP, 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 Q3

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

High-water mark
Peak Conviction
0.01% in 2025 Q4

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

Time in book
Holding Window
2025 Q4 to 2026 Q3

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 Quantbot Technologies LP held SES — position size vs. price
% of Fund (quarterly)    SES 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 Q3 ADDED — — — 64,309 +33,766 +110.6% 0.00% $39K 2026-11-12 $0.58
2026 Q2 REDUCED 77.8% -44.8% ✅ 30,543 -107,038 -77.8% 0.00% $29K 2026-08-12 $0.57
2025 Q4 ADDED — — — 137,581 +134,581 +4486.0% 0.01% $248K 2026-02-10 $1.92
1 older quarter hidden  —  Sign in free or upgrade to Premium to see full history

FAQ About Quantbot Technologies LP and SES

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

How long has Quantbot Technologies LP reported owning SES?

Quantbot Technologies LP reported SES across 3 quarterly 13F filings, from 2025 Q4 through 2026 Q3.

What was the largest reported SES position in Quantbot Technologies LP's portfolio?

The largest reported portfolio weight for SES was 0.01% in 2025 Q4.

What is the latest reported SES position on this page?

The most recent filing on this page is 2026 Q3, when Quantbot Technologies LP reported 64,309 shares, equal to 0.00% of portfolio, with an estimated market value of $39K.

What does the chart on this SES ownership page compare?

The chart compares Quantbot Technologies LP's quarterly SES 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 Quantbot Technologies LP time their SES position?

Based on 13F filing dates vs. subsequent SES price moves, Quantbot Technologies LP correctly timed 0 out of 3 reported position changes (0%). The annualised alpha on SES relative to SPY over the holding period was +213.7%.

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