Who Owns OIL STS INTL INC (OIS)? -- Institutional Holders (2026-06-30)

236 institutions reported holding $437.5M of OIL STS INTL INC (OIS) in SEC 13F filings for 2026-06-30. Largest institutional holders: BlackRock, Inc. ($54.6M), VANGUARD GROUP INC ($36.7M), DIMENSIONAL FUND ADVISORS LP ($24.1M), AMERICAN CENTURY COMPANIES INC ($17.7M), ACADIAN ASSET MANAGEMENT LLC ($16.4M). Source: SEC Form 13F.

RankInstitutionValueSharesChange
1BlackRock, Inc.$54.6M6.8MAdded
2VANGUARD GROUP INC$36.7M4.6MAdded
3DIMENSIONAL FUND ADVISORS LP$24.1M3.0MTrimmed
4AMERICAN CENTURY COMPANIES INC$17.7M2.2MAdded
5ACADIAN ASSET MANAGEMENT LLC$16.4M2.0MTrimmed
6D. E. Shaw & Co., Inc.$16.2M2.0MTrimmed
7First Eagle Investment Management, LLC$16.1M2.0MTrimmed
8STATE STREET CORP$15.9M2.0MAdded
9AQR CAPITAL MANAGEMENT LLC$13.9M1.7MTrimmed
10GEODE CAPITAL MANAGEMENT, LLC$11.6M1.4MAdded
11TWO SIGMA INVESTMENTS, LP$11.6M1.4MAdded
12KENNEDY CAPITAL MANAGEMENT LLC$10.3M1.3MAdded
13MORGAN STANLEY$9.7M1.2MTrimmed
14Qube Research & Technologies Ltd$9.0M1.1MAdded
15HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC$8.8M1.1MAdded
16CHARLES SCHWAB INVESTMENT MANAGEMENT INC$8.7M1.1MTrimmed
17Sixth Street Partners Management Company, L.P.$8.7M1.1MNew
18BRIDGEWAY CAPITAL MANAGEMENT, LLC$6.7M840,237Added
19ALGERT GLOBAL LLC$6.5M813,971Added
20MILLENNIUM MANAGEMENT LLC$5.3M667,842Trimmed
21FEDERATED HERMES, INC.$5.2M651,708Added
22PANAGORA ASSET MANAGEMENT INC$5.2M650,275Added
23UBS Group AG$5.2M646,012Trimmed
24Trexquant Investment LP$4.8M602,932Added
25FMR LLC$4.5M558,454Added

Source: SEC Form 13F filings · as of 2026-06-30