OIL STS INTL INC

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OIS·678026105·US·Common Stock·Energy - Oil & Gas Equipment & Services-13D/G

OIS (OIL STS INTL INC) is held by 114 institutional investors as of Q2 2026. Largest holders: BlackRock, Inc. ($54.6M), DIMENSIONAL FUND ADVISORS LP ($24.1M), VANGUARD CAPITAL MANAGEMENT LLC ($19.4M). Net institutional sentiment: Mixed.

114

Holders

(12 Elite)

$360.8M

Total Value

48% (125)

Consensus

60 buying - 65 selling

13F: Jun 30, 2026Insider & Congress: Updated regularly

Smart Money Verdict

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Institutional (13F)41

Insider (Form 4)63

Activist (13D/13G)29

Congressional (STOCK Act)29

Holder Quality

32

★★★★★

Elite

62

★★★★

Strong

40

★★★

Solid

78

★★

Below

15

★

Weak

Held by 114 funds

12 elite

Who's Trading

Source dates: Price Aug 27, 2026 · Insiders May 4, 2026 · Activists Jul 28, 2026 · Congress none

ActivistFranklin Resources, Inc.0.9%Jul 28, 2026

ActivistDimensional Fund Advisors LP5.0%Jul 14, 2026

InsiderMSMoses Philip ScottVest 13K shMay 1, 2026

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Top Holders

Top Holders (114)History

AllNewIncreasedHeldDecreasedExited

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Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
BlackRock, Inc.	Increased	6.8M(+8.1%)	$54.6M	0.0%	+60.63%	32
DIMENSIONAL FUND ADVISORS LP	Decreased	3M(-14.6%)	$24.1M	0.0%	+8.32%	0
VAVANGUARD CAPITAL MANAGEMENT LLC	Increased	2.4M(+0.0%)	$19.4M	0.0%	-33.19%	28
AMERICAN CENTURY COMPANIES INC	Increased	2.2M(+19.7%)	$17.7M	0.0%	+15.01%	34
DED. E. Shaw & Co., Inc.	Decreased	2M(-6.9%)	$16.2M	0.0%	+66.62%	0
First Eagle Investment Management, LLC	Decreased	2M(-1.9%)	$16.1M	0.0%	+50.75%	0
STATE STREET CORP	Increased	2M(+14.3%)	$15.9M	0.0%	+8.83%	32
AQR CAPITAL MANAGEMENT LLC	Decreased	1.7M(-4.8%)	$13.9M	0.0%	+40.99%	0
VPVANGUARD PORTFOLIO MANAGEMENT LLC	Decreased	1.6M(-0.7%)	$13M	0.0%	-33.20%	0
GEODE CAPITAL MANAGEMENT, LLC	Increased	1.4M(+6.5%)	$11.6M	0.0%	-21.63%	30
TWO SIGMA INVESTMENTS, LP	Increased	1.4M(+34.6%)	$11.6M	0.0%	-4.85%	36
MORGAN STANLEY	Decreased	1.2M(-10.7%)	$9.7M	0.0%	+20.98%	0
Qube Research & Technologies Ltd	Increased	1.1M(+465.4%)	$9M	0.0%	+8.70%	44
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC	Increased	1.1M(+9.9%)	$8.8M	0.0%	+54.92%	30
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	Decreased	1.1M(-4.2%)	$8.7M	0.0%	+20.09%	0
MILLENNIUM MANAGEMENT LLC	Decreased	667,842(-5.2%)	$5.3M	0.0%	-32.53%	0
FEDERATED HERMES, INC.	Increased	651,708(+57.4%)	$5.2M	0.0%	+26.86%	38
PANAGORA ASSET MANAGEMENT INC	Increased	650,275(+20.4%)	$5.2M	0.0%	+34.33%	32
UBS Group AG	Decreased	646,012(-24.3%)	$5.2M	0.0%	-4.27%	0
Trexquant Investment LP	Increased	602,932(+9.4%)	$4.8M	0.0%	-8.57%	29

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High Conviction Moves-Smart Money Convergence-Fund Consensus-Double-Down Detection

Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer