石油國家國際公司
US ˙ NYSE ˙ US6780261052

SecurityOIS / Oil States International, Inc.
InstitutionDynamic Technology Lab Private Ltd
Latest Disclosed Ownership32,383 shares
Latest Disclosed Value $ 376,938
Dynamic Technology Lab Private Ltd reports 112.38% increase in ownership of OIS / Oil States International, Inc.

On May 15, 2026 - Dynamic Technology Lab Private Ltd filed a 13F-HR form disclosing ownership of 32,383 shares of Oil States International, Inc. (US:OIS) valued at $376,938 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 13, 2026 disclosing 15,248 shares of Oil States International, Inc.. This represents a change in shares of 112.38% during the quarter. The current value of the position is $281,408 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-05-15 2026-03-31 13F OIL STS INTL COM 678026105 32,383 17,135 112.38 377 265.05 0.0612
2026-02-13 2025-12-31 13F OIL STS INTL COM 678026105 15,248 15,248 103 0.0233
2024-08-15 2024-06-30 13F OIL STS INTL COM 678026105 0 -97,796 -100.00 0 0.0000
2024-05-14 2024-03-31 13F OIL STS INTL COM 678026105 97,796 30,480 45.28 1 0.0643
2024-02-09 2023-12-31 13F OIL STS INTL COM 678026105 67,316 26,039 63.08 0 0.0483
2023-11-14 2023-09-30 13F OIL STS INTL COM 678026105 41,277 41,277 0 0.0345
2022-11-14 2022-09-30 13F OIL STS INTL COM 678026105 0 -32,438 -100.00 0 -100.00
2022-08-12 2022-06-30 13F OIL STS INTL COM 678026105 32,438 13,710 73.21 176 35.38 0.0199
2022-05-16 2022-03-31 13F OIL STS INTL COM 678026105 18,728 18,728 130 0.0153
2021-02-11 2020-12-31 13F OIL STS INTL COM 678026105 0 -57,180 -100.00 0 -100.00
2020-11-13 2020-09-30 13F OIL STS INTL COM 678026105 57,180 57,180 156 0.0251
2020-08-14 2020-06-30 13F OIL STS INTL COM 678026105 0 -75,138 -100.00 0 -100.00
2020-05-13 2020-03-31 13F OIL STS INTL COM 678026105 75,138 41,665 124.47 153 -71.98 0.0298
2020-02-14 2019-12-31 13F OIL STS INTL COM 678026105 33,473 33,473 546 0.0875
2019-11-14 2019-09-30 13F OIL STS INTL COM 678026105 0 -28,979 -100.00 0 -100.00
2019-08-14 2019-06-30 13F OIL STS INTL COM 678026105 28,979 3,404 13.31 530 22.12 0.0892
2019-05-13 2019-03-31 13F OIL STS INTL COM 678026105 25,575 25,575 434 0.0711
2017-11-08 2017-09-30 13F OIL STS INTL COM 678026105 0 -9,958 -100.00 0 -100.00
2017-08-17 2017-06-30 13F OIL STS INTL COM 678026105 9,958 2,627 35.83 271 11.98 0.0512
2017-05-11 2017-03-31 13F OIL STS INTL COM 678026105 7,331 7,331 242 0.0568
2016-11-14 2016-09-30 13F OIL STS INTL COM 678026105 0 -31,178 -100.00 0 -100.00
2016-08-10 2016-06-30 13F OIL STS INTL COM 678026105 31,178 31,178 0.00 1,025 0.2773
2016-05-18 2016-03-31 13F OIL STS INTL COM 678026105 0 -9,841 -100.00 0 -100.00
2016-03-01 2015-12-31 13F/A-1 OIL STS INTL COM 678026105 9,841 9,841 0.00 391 0.00 0.2192
2016-02-11 2015-12-31 13F OIL STS INTL COM 678026105 13,602 13,602 371 0.1589
2015-08-13 2015-06-30 13F OIL STS INTL COM 678026105 0 -9,841 -100.00 0 -100.00
2016-03-01 2015-03-31 13F/A-1 OIL STS INTL COM 678026105 9,841 5,011 103.75 391 26.13 0.3657
2016-02-24 2014-06-30 13F/A-1 OIL STS INTL COM 678026105 4,830 1,997 70.49 310 18.32 0.4005
2016-02-22 2013-06-30 13F/A-1 OIL STS INTL COM 678026105 2,833 -6,405 -69.33 262 -64.31 0.5659
2016-02-17 2012-09-30 13F/A-1 OIL STS INTL COM 678026105 9,238 3,725 67.57 734 70.70 1.4401
2016-02-17 2012-03-31 13F/A-1 OIL STS INTL COM 678026105 5,513 5,513 430 1.0318
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.