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Jim Simons's SEI Investments Company (SEIC) position

Yes: as of Q1 2026, Jim Simons holds 400K shares of SEIC worth $31M (0.0% of the disclosed portfolio). Held since at least Q1 2021; that opening coverage snapshot is not counted as a purchase.
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Current value
$31M
Shares held
400K
% of portfolio
0.0%
Est. average buy price (i)
$76.99
est. since Q1 2021
Quarter-end price
$78.47

Estimated trade prices

Average price in quarters with purchases
$66.51
Average prices in quarters with sales
  • Q3 2025: $88.85 (35K shares sold)
  • Q4 2024: $78.44 (121K shares sold)
  • Q3 2024: $66.75 (5K shares sold)
  • Q2 2024: $67.22 (78K shares sold)
  • Q4 2023: $58.34 (14K shares sold)
  • Q3 2023: $61.50 (90K shares sold)
  • Q1 2023: $59.97 (93K shares sold)
  • Q4 2022: $56.24 (32K shares sold)
  • Q1 2022: $59.48 (87K shares sold)
  • Q4 2021: $61.97 (66K shares sold)
  • Q2 2021: $62.32 (149K shares sold)

SEIC price vs Simons's position

1Y 3Y 5Y MAX
Dates
$40$60$80$10020222023202420252026Added 130K shares (275.4%) · Q3 2021. Average closing price $61.03 · Price range $57.81–$63.15130KsharespurchasedSold 66K shares (37.6%) · Q4 2021. Average closing price $61.97 · Price range $58.31–$64.8966KsharessoldSold 87K shares (78.5%) · Q1 2022. Average closing price $59.48 · Price range $55.39–$63.5987KsharessoldAdded 319K shares (over 1,000%) · Q2 2022. Average closing price $56.27 · Price range $51.73–$61.18319KsharespurchasedAdded 61K shares (17.8%) · Q3 2022. Average closing price $54.61 · Price range $49.05–$58.6161KsharespurchasedSold 32K shares (7.8%) · Q4 2022. Average closing price $56.24 · Price range $47.36–$63.1632KsharessoldSold 93K shares (25.0%) · Q1 2023. Average closing price $59.97 · Price range $54.80–$64.2593KsharessoldAdded 51K shares (18.2%) · Q2 2023. Average closing price $58.17 · Price range $56.50–$59.6251KsharespurchasedSold 90K shares (27.5%) · Q3 2023. Average closing price $61.50 · Price range $59.00–$64.0890KsharessoldSold 14K shares (5.8%) · Q4 2023. Average closing price $58.34 · Price range $52.90–$64.5914KsharessoldAdded 49K shares (21.9%) · Q1 2024. Average closing price $66.43 · Price range $62.21–$72.0249KsharespurchasedSold 78K shares (28.4%) · Q2 2024. Average closing price $67.22 · Price range $64.34–$70.9978KsharessoldSold 5K shares (2.6%) · Q3 2024. Average closing price $66.75 · Price range $63.10–$69.835KsharessoldSold 121K shares (63.2%) · Q4 2024. Average closing price $78.44 · Price range $69.34–$86.58121KsharessoldAdded 127K shares (180.9%) · Q1 2025. Average closing price $80.40 · Price range $72.08–$86.58127KsharespurchasedAdded 224K shares (113.3%) · Q2 2025. Average closing price $80.59 · Price range $66.45–$89.86224KsharespurchasedSold 35K shares (8.3%) · Q3 2025. Average closing price $88.85 · Price range $84.85–$93.8035KsharessoldAdded 10K shares (2.7%) · Q4 2025. Average closing price $82.19 · Price range $78.27–$86.1210KsharespurchasedAdded 3K shares (0.7%) · Q1 2026. Average closing price $82.35 · Price range $75.72–$88.693Ksharespurchased← Earlier —1 sell
Average closing price · filing quarter
$82.35
Price range · filing quarter
$75.72 – $88.69
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Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2026 Added +3K +$214K +0.7% 400K May 14, 2026
Q4 2025 Added +10K +$847K +2.7% 397K Feb 12, 2026
Q3 2025 Reduced −35K −$3.1M −8.3% 387K Nov 13, 2025
Q2 2025 Added +224K +$18M +113.3% 422K Aug 13, 2025
Q1 2025 Added +127K +$10M +180.9% 198K May 14, 2025
Q4 2024 Reduced −121K −$9.5M −63.2% 70K Feb 13, 2025
Q3 2024 Reduced −5K −$340K −2.6% 191K Nov 13, 2024
Q2 2024 Reduced −78K −$5.3M −28.4% 196K Aug 9, 2024
Q1 2024 Added +49K +$3.3M +21.9% 275K May 13, 2024
Q4 2023 Reduced −14K −$805K −5.8% 225K Feb 13, 2024
Q3 2023 Reduced −90K −$5.6M −27.5% 239K Nov 14, 2023
Q2 2023 Added +51K +$3.0M +18.2% 329K Aug 11, 2023
Q1 2023 Reduced −93K −$5.6M −25.0% 279K May 12, 2023
Q4 2022 Reduced −32K −$1.8M −7.8% 372K Feb 13, 2023
Q3 2022 Added +61K +$3.3M +17.8% 403K Nov 14, 2022
Q2 2022 Added +319K +$18M +1,344.4% 342K Aug 12, 2022
Q1 2022 Reduced −87K −$5.1M −78.5% 24K May 13, 2022
Q4 2021 Reduced −66K −$4.1M −37.6% 110K Feb 11, 2022
Q3 2021 Added +130K +$7.9M +275.4% 177K Nov 12, 2021
Q2 2021 Reduced −149K −$9.3M −76.0% 47K Aug 13, 2021
Q1 2021 First covered – – – 196K May 13, 2021
Data through Q1 2026 · filed May 14, 2026
21 grouped rows from 21 quarters

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Common questions

Does Jim Simons own SEIC?

Yes. As of Q1 2026, Jim Simons disclosed 400K shares of SEIC, worth $31M. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Jim Simons buy SEIC?

Jim Simons held SEIC since at least Q1 2021, when this filing coverage begins; the opening snapshot is not a disclosed purchase. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

Did Jim Simons sell SEIC?

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

How many shares of SEIC does Jim Simons own?

Jim Simons disclosed 400K shares of SEIC 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 SEIC?

Jim Simons began building the SEIC 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.