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Ken Griffin's Olin Corporation (OLN) position

Yes: as of Q1 2026, Ken Griffin holds 1.6M shares of OLN worth $49M (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
$49M
Shares held
1.6M
% of portfolio
0.0%
Est. average buy price (i)
$24.16
Quarter-end price
$29.73

Estimated trade prices

Average price in quarters with purchases
$44.04
Average prices in quarters with sales
  • Q3 2025: $22.21 (303K shares sold)
  • Q2 2025: $20.77 (1.2M shares sold)
  • Q4 2024: $41.78 (665K shares sold)
  • Q3 2024: $44.50 (2.0M shares sold)
  • Q2 2023: $53.18 (1.8M shares sold)
  • Q4 2022: $53.08 (776K shares sold)
  • Q4 2021: $56.07 (169K shares sold)
  • Q3 2021: $46.62 (589K shares sold)

OLN price vs Griffin's position

1Y 3Y 5Y MAX
Dates
$10$20$40$60$8020222023202420252026Sold 589K shares (69.7%) · Q3 2021. Average closing price $46.62 · Price range $40.91–$51.99589KsharessoldSold 169K shares (66.0%) · Q4 2021. Average closing price $56.07 · Price range $48.56–$64.42169KsharessoldAdded 626K shares (718.9%) · Q1 2022. Average closing price $51.14 · Price range $44.61–$56.21626KsharespurchasedAdded 937K shares (131.3%) · Q2 2022. Average closing price $57.77 · Price range $45.30–$66.92937KsharespurchasedAdded 780K shares (47.2%) · Q3 2022. Average closing price $50.66 · Price range $42.21–$58.36780KsharespurchasedSold 776K shares (32.0%) · Q4 2022. Average closing price $53.08 · Price range $45.11–$60.44776KsharessoldAdded 907K shares (54.9%) · Q1 2023. Average closing price $57.25 · Price range $50.20–$64.59907KsharespurchasedSold 1.8M shares (68.9%) · Q2 2023. Average closing price $53.18 · Price range $47.31–$57.831.8MsharessoldNew position of 1.1M shares · Q4 2023. Average closing price $47.88 · Price range $42.12–$55.151.1MsharespurchasedAdded 1.4M shares (128.4%) · Q1 2024. Average closing price $53.64 · Price range $49.83–$58.801.4MsharespurchasedAdded 257K shares (10.1%) · Q2 2024. Average closing price $53.50 · Price range $47.15–$59.67257KsharespurchasedSold 2.0M shares (72.2%) · Q3 2024. Average closing price $44.50 · Price range $40.38–$50.212.0MsharessoldSold 665K shares (85.3%) · Q4 2024. Average closing price $41.78 · Price range $33.13–$47.98665KsharessoldAdded 1.6M shares (over 1,000%) · Q1 2025. Average closing price $28.13 · Price range $23.36–$34.411.6MsharespurchasedSold 1.2M shares (69.2%) · Q2 2025. Average closing price $20.77 · Price range $17.96–$24.701.2MsharessoldSold 303K shares (56.0%) · Q3 2025. Average closing price $22.21 · Price range $18.23–$26.93303KsharessoldAdded 589K shares (247.3%) · Q4 2025. Average closing price $21.57 · Price range $18.46–$25.93589KsharespurchasedAdded 813K shares (98.3%) · Q1 2026. Average closing price $24.43 · Price range $20.81–$29.73813Ksharespurchased← Earlier —1 purchase
Average closing price · filing quarter
$24.43
Price range · filing quarter
$20.81 – $29.73
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Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2026 Added +813K +$20M +98.3% 1.6M May 15, 2026
Q4 2025 Added +589K +$13M +247.3% 827K Feb 17, 2026
Q3 2025 Reduced −303K −$6.7M −56.0% 238K Nov 14, 2025
Q2 2025 Reduced −1.2M −$25M −69.2% 542K Aug 14, 2025
Q1 2025 Added +1.6M +$46M +1,428.2% 1.8M May 15, 2025
Q4 2024 Reduced −665K −$28M −85.3% 115K Feb 14, 2025
Q3 2024 Reduced −2.0M −$90M −72.2% 780K Nov 14, 2024
Q2 2024 Added +257K +$14M +10.1% 2.8M Aug 14, 2024
Q1 2024 Added +1.4M +$77M +128.4% 2.5M May 15, 2024
Q4 2023 New +1.1M +$53M – 1.1M Feb 14, 2024
Q2 2023 Reduced −1.8M −$94M −68.9% 795K Aug 14, 2023
Q1 2023 Added +907K +$52M +54.9% 2.6M May 15, 2023
Q4 2022 Reduced −776K −$41M −32.0% 1.7M Feb 14, 2023
Q3 2022 Added +780K +$39M +47.2% 2.4M Nov 14, 2022
Q2 2022 Added +937K +$54M +131.3% 1.6M Aug 15, 2022
Q1 2022 Added +626K +$32M +718.9% 713K May 16, 2022
Q4 2021 Reduced −169K −$9.5M −66.0% 87K Feb 14, 2022
Q3 2021 Reduced −589K −$27M −69.7% 256K Nov 15, 2021
Q2 2021 Added +422K +$19M +99.8% 845K Aug 16, 2021
Q1 2021 First covered – – – 423K May 21, 2021
Data through Q1 2026 · filed May 15, 2026
20 grouped rows from 20 quarters

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Common questions

Does Ken Griffin own OLN?

Yes. As of Q1 2026, Ken Griffin disclosed 1.6M shares of OLN, worth $49M. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Ken Griffin buy OLN?

Ken Griffin held OLN 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 OLN?

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

How many shares of OLN does Ken Griffin own?

Ken Griffin disclosed 1.6M shares of OLN 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 OLN?

Ken Griffin's estimated average buy price for OLN is $24.16, from quarter-average prices weighted by the shares added each quarter. 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.