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Ken Griffin's Lumen Technologies, Inc. (LUMN) position

Yes: as of Q1 2026, Ken Griffin holds 2.5M shares of LUMN worth $18M (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
$18M
Shares held
2.5M
% of portfolio
0.0%
Est. average buy price (i)
$6.01
est. since Q3 2024
Quarter-end price
$6.95

Estimated trade prices

Average price in quarters with purchases
$4.90
Average prices in quarters with sales
  • Q4 2025: $8.23 (3.2M shares sold)
  • Q1 2025: $4.98 (7.5M shares sold)
  • Q2 2024: $1.27 (728K shares sold)
  • Q1 2023: $4.03 (296K shares sold)
  • Q3 2022: $10.18 (1.8M shares sold)
  • Q4 2021: $12.73 (248K shares sold)
  • Q3 2021: $12.54 (99K shares sold)

LUMN price vs Griffin's position

Dates
$1$5$10$1520222023202420252026Sold 99K shares (8.0%) · Q3 2021. Average closing price $12.54 · Price range $11.34–$13.7499KsharessoldSold 248K shares (21.9%) · Q4 2021. Average closing price $12.73 · Price range $11.79–$14.27248KsharessoldAdded 396K shares (44.8%) · Q1 2022. Average closing price $11.45 · Price range $9.62–$13.77396KsharespurchasedAdded 1.9M shares (151.6%) · Q2 2022. Average closing price $11.22 · Price range $10.06–$12.501.9MsharespurchasedSold 1.8M shares (55.6%) · Q3 2022. Average closing price $10.18 · Price range $7.28–$11.261.8MsharessoldAdded 578K shares (40.5%) · Q4 2022. Average closing price $6.15 · Price range $5.09–$8.04578KsharespurchasedSold 296K shares (14.8%) · Q1 2023. Average closing price $4.03 · Price range $2.41–$6.04296KsharessoldAdded 10.0M shares (587.5%) · Q2 2023. Average closing price $2.20 · Price range $1.78–$2.6410.0MsharespurchasedNew position of 20K shares · Q4 2023. Average closing price $1.42 · Price range $0.98–$1.8520KsharespurchasedAdded 724K shares (over 1,000%) · Q1 2024. Average closing price $1.56 · Price range $1.22–$1.89724KsharespurchasedSold 728K shares (97.8%) · Q2 2024. Average closing price $1.27 · Price range $0.99–$1.46728KsharessoldAdded 5.7M shares (164.6%) · Q4 2024. Average closing price $6.90 · Price range $5.31–$10.125.7MsharespurchasedSold 7.5M shares (81.3%) · Q1 2025. Average closing price $4.98 · Price range $3.92–$5.927.5MsharessoldAdded 2.3M shares (134.1%) · Q2 2025. Average closing price $3.88 · Price range $3.07–$4.512.3MsharespurchasedAdded 522K shares (13.0%) · Q3 2025. Average closing price $4.80 · Price range $3.70–$6.22522KsharespurchasedSold 3.2M shares (69.3%) · Q4 2025. Average closing price $8.23 · Price range $6.07–$11.833.2MsharessoldAdded 1.1M shares (80.8%) · Q1 2026. Average closing price $7.57 · Price range $6.23–$9.291.1Msharespurchased← Earlier —1 purchase
Average closing price · filing quarter
$7.57
Price range · filing quarter
$6.23 – $9.29

Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2026 Added +1.1M +$8.5M +80.8% 2.5M May 15, 2026
Q4 2025 Reduced −3.2M −$26M −69.3% 1.4M Feb 17, 2026
Q3 2025 Added +522K +$2.5M +13.0% 4.5M Nov 14, 2025
Q2 2025 Added +2.3M +$8.9M +134.1% 4.0M Aug 14, 2025
Q1 2025 Reduced −7.5M −$37M −81.3% 1.7M May 15, 2025
Q4 2024 Added +5.7M +$39M +164.6% 9.2M Feb 14, 2025
Q3 2024 First covered 3.5M Nov 14, 2024
Q2 2024 Reduced −728K −$923K −97.8% 17K Aug 14, 2024
Q1 2024 Added +724K +$1.1M +3,615.9% 744K May 15, 2024
Q4 2023 New +20K +$28K 20K Feb 14, 2024
Q2 2023 Added +10.0M +$22M +587.5% 11.8M Aug 14, 2023
Q1 2023 Reduced −296K −$1.2M −14.8% 1.7M May 15, 2023
Q4 2022 Added +578K +$3.6M +40.5% 2.0M Feb 14, 2023
Q3 2022 Reduced −1.8M −$18M −55.6% 1.4M Nov 14, 2022
Q2 2022 Added +1.9M +$22M +151.6% 3.2M Aug 15, 2022
Q1 2022 Added +396K +$4.5M +44.8% 1.3M May 16, 2022
Q4 2021 Reduced −248K −$3.2M −21.9% 883K Feb 14, 2022
Q3 2021 Reduced −99K −$1.2M −8.0% 1.1M Nov 15, 2021
Q2 2021 Added +230K +$3.2M +23.0% 1.2M Aug 16, 2021
Q1 2021 First covered 1.0M May 21, 2021
Data through Q1 2026 · filed May 15, 2026
20 grouped rows from 20 quarters

More Griffin positions

Common questions

Does Ken Griffin own LUMN?

Yes. As of Q1 2026, Ken Griffin disclosed 2.5M shares of LUMN, worth $18M. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Ken Griffin buy LUMN?

Ken Griffin held LUMN 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 Ken Griffin sell LUMN?

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

How many shares of LUMN does Ken Griffin own?

Ken Griffin disclosed 2.5M shares of LUMN as of Q1 2026. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

What price did Ken Griffin pay for LUMN?

Ken Griffin began building the LUMN 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.