# OIL STS INTL INC COM

OIL STS INTL INC COM is a security (CUSIP 678026105) tracked across SEC portfolio filings. 215 institutional managers reported $546.1M on Form 13F as of 2026-06-30; 15 registered fund positions totaling $17.2M via N-PORT as of 2026-05-31.

## Summary

- Issuer: OIL STS INTL INC
- Class: COM
- CUSIP: 678026105
- Asset category: EC
- 13F holders: 215
- 13F value: $546.1M
- 13F period: 2026-06-30
- N-PORT fund positions: 15
- N-PORT value: $17.2M
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 215 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| BlackRock, Inc. | New York, NY | $73.4M | 6,309,631 |
| DIMENSIONAL FUND ADVISORS LP | AUSTIN, TX | $41.0M | 3,522,143 |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $30.3M | 4,480,163 |
| D. E. Shaw & Co., Inc. | New York, NY | $25.2M | 2,167,272 |
| AMERICAN CENTURY COMPANIES INC | KANSAS CITY, MO | $21.5M | 1,848,308 |
| [AQR CAPITAL MANAGEMENT LLC](https://search.stillhousedata.com/firm/111883) | Greenwich, CT | $21.2M | 1,824,715 |
| STATE STREET CORP | BOSTON, MA | $20.2M | 1,733,499 |
| [First Eagle Investment Management, LLC](https://search.stillhousedata.com/firm/108260) | NEW YORK, NY | $16.1M | 2,005,677 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $15.8M | 1,357,790 |
| MORGAN STANLEY | NEW YORK, NY | $15.7M | 1,350,160 |
| Driehaus Capital Management LLC | Chicago, IL | $15.5M | 1,328,078 |
| [CHARLES SCHWAB INVESTMENT MANAGEMENT INC](https://search.stillhousedata.com/firm/106753) | SAN FRANCISCO, CA | $13.2M | 1,131,609 |
| [KENNEDY CAPITAL MANAGEMENT LLC](https://search.stillhousedata.com/firm/105834) | ST LOUIS, MO | $12.6M | 1,078,399 |
| [TWO SIGMA INVESTMENTS, LP](https://search.stillhousedata.com/firm/137137) | New York, NY | $12.5M | 1,073,304 |
| [HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC](https://search.stillhousedata.com/firm/114649) | Los Angeles, CA | $11.7M | 1,001,051 |

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $7.3M | 0.90% |
| [VANGUARD RUSSELL 2000 INDEX FUND](https://search.stillhousedata.com/fund/S000030003) | VANGUARD SCOTTSDALE FUNDS | $2.5M | 1.40% |
| [U.S. MICRO CAP PORTFOLIO](https://search.stillhousedata.com/fund/S000000948) | DFA INVESTMENT DIMENSIONS GROUP INC | $2.4M | 3.24% |
| [VANGUARD U.S. MOMENTUM FACTOR ETF](https://search.stillhousedata.com/fund/S000061302) | VANGUARD WELLINGTON FUND | $1.5M | 8.36% |
| [Master Small Cap Index Series](https://search.stillhousedata.com/fund/S000002716) | Quantitative Master Series LLC | $1.0M | 2.08% |
| [VANGUARD GROWTH AND INCOME FUND](https://search.stillhousedata.com/fund/S000002913) | VANGUARD QUANTITATIVE FUNDS | $728K | 0.44% |
| [Goldman Sachs ActiveBeta(R) U.S. Small Cap Equity ETF](https://search.stillhousedata.com/fund/S000048296) | Goldman Sachs ETF Trust | $674K | 6.83% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $375K | 0.06% |
| [VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002855) | VANGUARD INSTITUTIONAL INDEX FUNDS | $334K | 0.11% |
| [Vericimetry U.S. Small Cap Value Fund](https://search.stillhousedata.com/fund/S000033942) | VERICIMETRY FUNDS | $123K | 7.35% |
| [DWS Small Cap Index VIP](https://search.stillhousedata.com/fund/S000006223) | DEUTSCHE DWS INVESTMENTS VIT FUNDS | $93K | 2.22% |
| [Federated Hermes Global Allocation Fund](https://search.stillhousedata.com/fund/S000009117) | Federated Hermes Global Allocation Fund | $49K | 1.68% |
| [Putnam Multi-Asset Income Fund](https://search.stillhousedata.com/fund/S000067964) | Putnam Asset Allocation Funds | $31K | 0.34% |
| [TIAA Separate Account VA-1 - Stock Index Account](https://search.stillhousedata.com/fund/S000005098) | TIAA Separate Account VA-1 | $24K | 0.19% |
| [Blackstone Alternative Multi-Strategy Fund](https://search.stillhousedata.com/fund/S000045538) | Blackstone Alternative Investment Funds | $8K | 0.02% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/678026105.md)
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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.