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Of the 14 tracked institutions holding OIS, 7 have a 3-year clone track record — 7 of them beat the S&P. Average holder's clone alpha: +6.3pt. It's a gauge of who owns the name, not just how many.
Among the 14 tracked institutional investors we monitor, OIS (OIL STS INTL INC) is held with a combined value of $163.42M across 15,914,204 shares. The largest holder is BlackRock, Inc. with a position worth $73.44M. 3 funds opened new positions in the most recent quarter. 5 funds increased their holdings. 6 funds reduced their position.
Total Institutional Value
$163.42M
Total Shares Held
15,914,204
Institutional Holders
14
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | BlackRock, Inc. | $73.44M | 0.00% | -5.2% |
| 2 | VANGUARD GROUP INC | $30.33M | 0.00% | -0.4% |
| 3 | AQR CAPITAL MANAGEMENT LLC | $21.24M | 0.01% | +2.5% |
| 4 | STATE STREET CORP | $20.18M | 0.00% | +19.6% |
| 5 | MILLENNIUM MANAGEMENT LLC | $8.20M | 0.00% | +5587.1% |
| 6 | FMR LLC | $3.10M | 0.00% | +14.0% |
| 7 | Fisher Asset Management, LLC | $2.31M | 0.00% | -6.0% |
| 8 | PRICE T ROWE ASSOCIATES INC /MD/ | $1.51M | 0.00% | +11.6% |
| 9 | Point72 Asset Management, L.P. | $818.79K | 0.00% | New |
| 10 | Gotham Asset Management, LLC | $674.69K | 0.00% | New |
As of the latest SEC 13F filings, BlackRock, Inc. is the largest institutional holder of OIS with a position worth $73.44M, representing 0.00% of their portfolio. In total, 14 institutional investors hold OIS with a combined value of $163.42M.
In the most recent quarter, 3 funds opened a new position in OIS. Additionally, 5 increased their holdings and 6 reduced their positions.
Institutional investors hold $163.42M worth of OIS stock across 14 positions. The largest institutional holder is BlackRock, Inc. with $73.44M in holdings.
A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For OIS, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their OIS positions.
Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →
Last Close
$8.67
2026-07-24
YTD
+22.6%
40% of 52-week range
