OIL STS INTL INC (OIS): Institutional Ownership
Hedge funds and institutional managers reporting a position in OIS · Energy. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
16
13F filers
Aggregate Value
$22.9M
Across holders
Last Price
$8.08
2026-06-26
Sector
Energy
GICS
Holder activity7 new1 added8 reduced
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| TWO SIGMA INVESTMENTS, LP CIK 0001179392 | Hedge Fund | 1.07M | $12.5M | 54.6% | 0.0% | Added | +$5.5M | Q1 2026 |
| Qube Research & Technologies Ltd CIK 0001729829 | Hedge Fund | 199K | $2.3M | 10.1% | 0.0% | Reduced | $-892K | Q1 2026 |
| Fisher Asset Management, LLC CIK 0000850529 | Institutional Manager | 198K | $2.3M | 10.1% | 0.0% | Reduced | $-149K | Q1 2026 |
| MARSHALL WACE, LLP CIK 0001318757 | Hedge Fund | 137K | $1.6M | 7.0% | 0.0% | New | — | Q1 2026 |
| ExodusPoint Capital Management, LP CIK 0001736225 | Hedge Fund | 62K | $722K | 3.2% | 0.0% | New | — | Q1 2026 |
| Gotham Asset Management, LLC CIK 0001510387 | Hedge Fund | 58K | $675K | 2.9% | 0.0% | New | — | Q1 2026 |
| Walleye Capital LLC CIK 0001758720 | Hedge Fund | 89K | $604K | 2.6% | 0.0% | New | — | Q4 2025 |
| Man Group plc CIK 0001637460 | Hedge Fund | 41K | $481K | 2.1% | 0.0% | Reduced | $-289K | Q1 2026 |
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 34K | $393K | 1.7% | 0.0% | Reduced | $-928K | Q1 2026 |
| RENAISSANCE TECHNOLOGIES LLC CIK 0001037389 | Hedge Fund | 29K | $332K | 1.5% | 0.0% | Reduced | $-290K | Q1 2026 |
| Brevan Howard Capital Management LP CIK 0001512857 | Hedge Fund | 27K | $319K | 1.4% | 0.0% | Reduced | $-6K | Q1 2026 |
| CAXTON ASSOCIATES LLP CIK 0002051323 | Hedge Fund | 27K | $314K | 1.4% | 0.0% | New | — | Q1 2026 |
| Verition Fund Management LLC CIK 0001454027 | Hedge Fund | 38K | $260K | 1.1% | 0.0% | New | — | Q4 2025 |
| BALYASNY ASSET MANAGEMENT LLC CIK 0001218710 | Hedge Fund | 11K | $68K | 0.3% | 0.0% | New | — | Q3 2025 |
| First Eagle Investment Management, LLC CIK 0001325447 | Institutional Manager | 432 | $5K | 0.0% | 0.0% | Reduced | $-30.0M | Q1 2026 |
| AQR CAPITAL MANAGEMENT LLC CIK 0001167557 | Hedge Fund | 137 | $2K | 0.0% | 0.0% | Reduced | $-20.1M | Q1 2026 |
Added
Hedge Fund
$12.5M· 54.6% of total· 0.0% port· 1.07M sh· +$5.5M QoQ· Q1 2026
Reduced
Hedge Fund
$2.3M· 10.1% of total· 0.0% port· 199K sh· $-892K QoQ· Q1 2026
Reduced
Institutional Manager
$2.3M· 10.1% of total· 0.0% port· 198K sh· $-149K QoQ· Q1 2026
New
Hedge Fund
$1.6M· 7.0% of total· 0.0% port· 137K sh· — QoQ· Q1 2026
New
Hedge Fund
$722K· 3.2% of total· 0.0% port· 62K sh· — QoQ· Q1 2026
New
Hedge Fund
$675K· 2.9% of total· 0.0% port· 58K sh· — QoQ· Q1 2026
New
Hedge Fund
$604K· 2.6% of total· 0.0% port· 89K sh· — QoQ· Q4 2025
Reduced
Hedge Fund
$481K· 2.1% of total· 0.0% port· 41K sh· $-289K QoQ· Q1 2026
Reduced
Hedge Fund
$393K· 1.7% of total· 0.0% port· 34K sh· $-928K QoQ· Q1 2026
Reduced
Hedge Fund
$332K· 1.5% of total· 0.0% port· 29K sh· $-290K QoQ· Q1 2026
Reduced
Hedge Fund
$319K· 1.4% of total· 0.0% port· 27K sh· $-6K QoQ· Q1 2026
New
Hedge Fund
$314K· 1.4% of total· 0.0% port· 27K sh· — QoQ· Q1 2026
New
Hedge Fund
$260K· 1.1% of total· 0.0% port· 38K sh· — QoQ· Q4 2025
New
Hedge Fund
$68K· 0.3% of total· 0.0% port· 11K sh· — QoQ· Q3 2025
Reduced
Institutional Manager
$5K· 0.0% of total· 0.0% port· 432 sh· $-30.0M QoQ· Q1 2026
Reduced
Hedge Fund
$2K· 0.0% of total· 0.0% port· 137 sh· $-20.1M QoQ· Q1 2026