Does Two Sigma own OIS stock?

Yes. As of its Q2 2026 13F, Two Sigma holds 1,444,776 shares of OIS (Oil STS International), worth $11.6M.

How many shares of OIS does Two Sigma own?

As of its Q2 2026 13F, Two Sigma holds 1,444,776 shares of OIS (Oil STS International).

As of its Q2 2026 13F, Two Sigma's OIS position is worth $11.6M.

In Q2 2026, Two Sigma increased its OIS position by 371,472 shares (+34.6%).

Two Sigma already held OIS in its Q4 2018 13F, the earliest on record, and has listed it in 29 quarterly 13F filings.

Position history for TWO SIGMA INVESTMENTS, LP's holdings in OIL STS INTL INC

Current Value

$11.6M

Current Shares

1.4M

Total Value Change

+$11M

Total Shares Change

+1.4M

Quarter-by-Quarter History

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Increased	1.4M	+34.6%	$11.6M	0.0%	$8.01	36
2026-Q1	Increased	1.1M	+79.6%	$12.5M	0.0%	$11.64	43
2025-Q4	Increased	597,717	+29.7%	$4M	0.0%	$6.77	34
2025-Q3	Increased	460,689	+29.3%	$2.8M	0.0%	$6.06	33
2025-Q2	Decreased	356,262	-3.5%	$1.9M	0.0%	$5.36	0
2025-Q1	Increased	369,303	+48.2%	$1.9M	0.0%	$5.15	35
2024-Q4	Increased	249,266	+14.4%	$1.3M	0.0%	$5.06	29
2024-Q3	Decreased	217,815	-59.6%	$1M	0.0%	$4.60	0
2024-Q2	Decreased	538,800	-57.7%	$2.4M	0.0%	$4.44	0
2024-Q1	Increased	1.3M	+75.5%	$7.8M	0.0%	$6.16	41
2023-Q4	Increased	725,949	+6.5%	$4.9M	0.0%	$6.79	29
2023-Q3	Decreased	681,629	-19.5%	$5.7M	0.0%	$8.37	0
2023-Q2	Increased	846,314	+41.5%	$6.3M	0.0%	$7.47	36
2023-Q1	Increased	598,256	+48.9%	$5M	0.0%	$8.33	37
2022-Q4	Decreased	401,833	-5.8%	$3M	0.0%	$7.46	0
2022-Q3	Increased	426,410	+92.8%	$1.7M	0.0%	$3.89	41
2022-Q2	Decreased	221,186	-48.0%	$1.2M	0.0%	$5.42	0
2022-Q1	Increased	425,787	+251.3%	$3M	0.0%	$6.95	43
2021-Q4	Decreased	121,201	-45.0%	$602,000	0.0%	$4.97	0
2021-Q3	Decreased	220,454	-14.0%	$1.4M	0.0%	$6.39	0
2021-Q2	Increased	256,245	+109.4%	$2M	0.0%	$7.85	42
2021-Q1	Increased	122,365	+41.5%	$738,000	0.0%	$6.03	33
2020-Q4	Increased	86,465	+145.9%	$434,000	0.0%	$5.02	39
2020-Q3	New	35,165	-	$96,000	0.0%	$2.73	30
2020-Q2	Exited	0	-100.0%	$0	0.0%	$4.75	0
2020-Q1	New	122,639	-	$249,000	0.0%	$2.03	32
2019-Q4	Exited	0	-100.0%	$0	0.0%	$16.31	0
2019-Q3	Decreased	17,071	-83.2%	$227,000	0.0%	$13.30	0
2019-Q2	Decreased	101,356	-8.2%	$1.9M	0.0%	$18.30	0
2019-Q1	Increased	110,418	+181.6%	$1.9M	0.0%	$16.96	42
2018-Q4	First report	39,212	-	$560,000	0.0%	$14.28	0