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Ken Griffin's Oceaneering International, Inc. (OII) position

Yes: as of Q1 2026, Ken Griffin holds 78K shares of OII worth $2.8M (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
$2.8M
Shares held
78K
% of portfolio
0.0%
Est. average buy price (i)
$25.21
Quarter-end price
$35.75

Estimated trade prices

Average price in quarters with purchases
$19.17
Average prices in quarters with sales
  • Q4 2025: $24.15 (42K shares sold)
  • Q2 2025: $19.27 (56K shares sold)
  • Q2 2024: $23.11 (9K shares sold)
  • Q1 2024: $20.99 (2K shares sold)
  • Q4 2023: $22.16 (61K shares sold)
  • Q2 2023: $17.23 (615K shares sold)

OII price vs Griffin's position

1Y 3Y 5Y MAX
Dates
$7$20$40$6020222023202420252026New position of 35K shares · Q3 2021. Average closing price $13.04 · Price range $10.98–$16.5635KsharespurchasedNew position of 49K shares · Q3 2022. Average closing price $9.40 · Price range $7.30–$11.2749KsharespurchasedAdded 139K shares (284.9%) · Q4 2022. Average closing price $13.29 · Price range $8.57–$17.49139KsharespurchasedAdded 464K shares (247.1%) · Q1 2023. Average closing price $19.28 · Price range $16.19–$22.11464KsharespurchasedSold 615K shares (94.5%) · Q2 2023. Average closing price $17.23 · Price range $15.31–$18.70615KsharessoldAdded 42K shares (118.1%) · Q3 2023. Average closing price $22.84 · Price range $19.03–$27.1942KsharespurchasedSold 61K shares (78.6%) · Q4 2023. Average closing price $22.16 · Price range $18.97–$26.0261KsharessoldSold 2K shares (9.2%) · Q1 2024. Average closing price $20.99 · Price range $19.11–$23.402KsharessoldSold 9K shares (60.7%) · Q2 2024. Average closing price $23.11 · Price range $20.86–$25.519KsharessoldAdded 59K shares (996.2%) · Q3 2024. Average closing price $25.76 · Price range $22.41–$30.0259KsharespurchasedNew position of 124K shares · Q1 2025. Average closing price $23.74 · Price range $19.14–$27.93124KsharespurchasedSold 56K shares (45.3%) · Q2 2025. Average closing price $19.27 · Price range $15.95–$22.5556KsharessoldAdded 37K shares (54.8%) · Q3 2025. Average closing price $22.94 · Price range $20.32–$25.6637KsharespurchasedSold 42K shares (40.3%) · Q4 2025. Average closing price $24.15 · Price range $22.20–$27.5542KsharessoldAdded 16K shares (24.9%) · Q1 2026. Average closing price $32.28 · Price range $24.20–$38.0016Ksharespurchased
Average closing price · filing quarter
$32.28
Price range · filing quarter
$24.20 – $38.00
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Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2026 Added +16K +$504K +24.9% 78K May 15, 2026
Q4 2025 Reduced −42K −$1.0M −40.3% 63K Feb 17, 2026
Q3 2025 Added +37K +$853K +54.8% 105K Nov 14, 2025
Q2 2025 Reduced −56K −$1.1M −45.3% 68K Aug 14, 2025
Q1 2025 New +124K +$2.9M – 124K May 15, 2025
Q3 2024 Added +59K +$1.5M +996.2% 65K Nov 14, 2024
Q2 2024 Reduced −9K −$213K −60.7% 6K Aug 14, 2024
Q1 2024 Reduced −2K −$32K −9.2% 15K May 15, 2024
Q4 2023 Reduced −61K −$1.4M −78.6% 17K Feb 14, 2024
Q3 2023 Added +42K +$967K +118.1% 78K Nov 14, 2023
Q2 2023 Reduced −615K −$11M −94.5% 36K Aug 14, 2023
Q1 2023 Added +464K +$8.9M +247.1% 651K May 15, 2023
Q4 2022 Added +139K +$1.8M +284.9% 188K Feb 14, 2023
Q3 2022 New +49K +$458K – 49K Nov 14, 2022
Q3 2021 New +35K +$456K – 35K Nov 15, 2021
Q1 2021 First covered – – – 26K May 21, 2021
Data through Q1 2026 · filed May 15, 2026
16 grouped rows from 16 quarters

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Common questions

Does Ken Griffin own OII?

Yes. As of Q1 2026, Ken Griffin disclosed 78K shares of OII, worth $2.8M. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Ken Griffin buy OII?

Ken Griffin held OII 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 OII?

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

How many shares of OII does Ken Griffin own?

Ken Griffin disclosed 78K shares of OII 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 OII?

Ken Griffin's estimated average buy price for OII is $25.21, 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.