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Jim Simons's SES AI Corporation (SES) position

Yes: as of Q1 2026, Jim Simons holds 4.6M shares of SES worth $4.4M (0.0% of the disclosed portfolio). Last quarter the position was unchanged. First disclosed Q2 2023.
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Current value
$4.4M
Shares held
4.6M
% of portfolio
0.0%
Est. average buy price (i)
$1.70
est. since Q1 2026
Quarter-end price
$0.96

Estimated trade prices

Average price in quarters with purchases
$2.15
Average prices in quarters with sales
  • Q1 2024: $1.50 (12K shares sold)
  • Q4 2023: $2.16 (61K shares sold)
  • Q3 2023: $2.43 (22K shares sold)

SES price vs Simons's position

Dates
$0.2$5$10$1520222023202420252026New position of 170K shares · Q2 2023. Average closing price $1.94 · Price range $1.38–$2.99170KsharespurchasedSold 22K shares (13.1%) · Q3 2023. Average closing price $2.43 · Price range $1.95–$3.1422KsharessoldSold 61K shares (41.3%) · Q4 2023. Average closing price $2.16 · Price range $1.81–$2.6361KsharessoldSold 12K shares (14.3%) · Q1 2024. Average closing price $1.50 · Price range $1.18–$1.8212KsharessoldAdded 47K shares (62.8%) · Q2 2024. Average closing price $1.36 · Price range $1.15–$1.7247KsharespurchasedAdded 98K shares (81.1%) · Q3 2024. Average closing price $1.04 · Price range $0.64–$1.3598KsharespurchasedNew position of 78K shares · Q3 2025. Average closing price $1.20 · Price range $0.84–$1.9078KsharespurchasedAdded 2.8M shares (over 1,000%) · Q4 2025. Average closing price $2.24 · Price range $1.75–$3.542.8Msharespurchased
Average closing price · filing quarter
$2.24
Price range · filing quarter
$1.75 – $3.54

Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2026 First covered 4.6M May 14, 2026
Q4 2025 Added +2.8M +$6.4M +3,649.5% 2.9M Feb 12, 2026
Q3 2025 New +78K +$93K 78K Nov 13, 2025
Q1 2025 First covered 450K May 14, 2025
Q4 2024 First covered 665K Feb 13, 2025
Q3 2024 Added +98K +$103K +81.1% 220K Nov 13, 2024
Q2 2024 Added +47K +$64K +62.8% 121K Aug 9, 2024
Q1 2024 Reduced −12K −$19K −14.3% 74K May 13, 2024
Q4 2023 Reduced −61K −$132K −41.3% 87K Feb 13, 2024
Q3 2023 Reduced −22K −$54K −13.1% 148K Nov 14, 2023
Q2 2023 New +170K +$330K 170K Aug 11, 2023
Data through Q1 2026 · filed May 14, 2026
11 grouped rows from 11 quarters

More Simons positions

Common questions

Does Jim Simons own SES?

Yes. As of Q1 2026, Jim Simons disclosed 4.6M shares of SES, worth $4.4M. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Jim Simons buy SES?

Jim Simons first disclosed a SES position in Q2 2023; every quarterly buy and sell since is in the table above. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

Did Jim Simons sell SES?

The quarter-by-quarter table above shows each sale and reduction Jim Simons disclosed in SES. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How many shares of SES does Jim Simons own?

Jim Simons disclosed 4.6M shares of SES as of Q1 2026. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

What price did Jim Simons pay for SES?

Jim Simons began building the SES position before our 13F history starts, so an exact average buy price cannot be estimated without understating it. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How are the estimated trade prices calculated?

13F filings disclose quarter-end holdings, not trade dates or execution prices. These estimates use each covered quarter's average market price; the add average excludes the opening position and quarters without price data. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.