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

3 institutions reported holding $225,881 of OIL STS INTL INC (OIS) in SEC 13F filings for 2026-06-30. Largest institutional holders: Assenagon Asset Management S.A. ($202,877), GAMMA Investing LLC ($15,499), Versant Capital Management, Inc ($7,505). Source: SEC Form 13F.

RankInstitutionValueSharesChange
1Assenagon Asset Management S.A.$202,87725,328Trimmed
2GAMMA Investing LLC$15,4991,935Trimmed
3Versant Capital Management, Inc$7,505937Hold

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