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OIS OIL STS INTL INC

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COM (common), issuer CIK 1121484

213 managers (219 13F filers) reported a position in OIS shares at 2026-03-31, 54,264,568 shares in all. 56 filers opened a position and 19 filers sold out during the quarter.

Managers
213
13F filers
219
New
56
Added
76
Reduced
57
Sold out
19
Shares held by filers
54,264,568

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q1 2026

Filers in the available 13F reports with a share position at 2026-03-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
Parkside Financial Bank & Trust105$1.22K<0.01%013F-HRTimeline
INTERNATIONAL ASSETS INVESTMENT MANAGEM…106$1.18K<0.01%013F-HRTimeline
Torren Management, LLC84$978<0.01%-2,76113F-HRTimeline
Wealth Preservation Advisors, LLC59$687<0.01%new13F-HRTimeline
NORTHWESTERN MUTUAL WEALTH MANAGEMENT COin group NORTHWESTERN MUTUAL INVESTMEN…51$594<0.01%new13F-HRTimelineGroup
JPL Wealth Management, LLC50$582<0.01%new13F-HR/ATimeline
RAFFA WEALTH MANAGEMENT, LLC46$535<0.01%013F-HRTimeline
Sunbelt Securities, Inc.23$268<0.01%013F-HRTimeline
TWIN PEAKS WEALTH ADVISORS, LLC15$175<0.01%new13F-HRTimeline
SBI Securities Co., Ltd.12$140<0.01%+213F-HRTimeline
Boreal Capital Management LLC4$47<0.01%013F-HRTimeline
Lloyd Advisory Services, LLC.0$5<0.01%new13F-HRTimelineAmount filed as zero, left out of ratios.
Kingdom Financial Group LLC.0$5<0.01%013F-HRTimelineAmount filed as zero, left out of ratios.