Does Primecap own RIG stock?

Yes. As of its Q2 2026 13F, Primecap holds 2,493,290 shares of RIG (Transocean), worth $12.2M.

How many shares of RIG does Primecap own?

As of its Q2 2026 13F, Primecap holds 2,493,290 shares of RIG (Transocean).

As of its Q2 2026 13F, Primecap's RIG position is worth $12.2M.

In Q2 2026, Primecap reduced its RIG position by 80,000 shares (-3.1%).

Primecap already held RIG in its Q4 2018 13F, the earliest on record, and has listed it in 31 quarterly 13F filings.

Position history for PRIMECAP MANAGEMENT CO/CA/'s holdings in TRANSOCEAN LTD

Current Value

$12.2M

Current Shares

2.5M

Total Value Change

-$222.6M

Total Shares Change

-31.3M

Quarter-by-Quarter History

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Decreased	2.5M	-3.1%	$12.2M	0.0%	$4.89	0
2026-Q1	Decreased	2.6M	-35.4%	$17.1M	0.0%	$6.63	0
2025-Q4	Decreased	4M	-60.5%	$16.5M	0.0%	$4.13	0
2025-Q3	Decreased	10.1M	-23.1%	$31.5M	0.0%	$3.12	0
2025-Q2	Decreased	13.1M	-75.6%	$34M	0.0%	$2.59	0
2025-Q1	Decreased	53.8M	-1.8%	$170.7M	0.1%	$3.17	0
2024-Q4	Decreased	54.8M	-2.7%	$205.6M	0.2%	$3.75	0
2024-Q3	Increased	56.3M	+0.4%	$239.5M	0.2%	$4.25	37
2024-Q2	Increased	56.1M	+0.7%	$300.2M	0.2%	$5.35	37
2024-Q1	Increased	55.7M	+9.9%	$350.1M	0.3%	$6.28	41
2023-Q4	Increased	50.7M	+11.3%	$321.9M	0.3%	$6.35	41
2023-Q3	Increased	45.5M	+0.1%	$373.8M	0.3%	$8.21	37
2023-Q2	Decreased	45.5M	-1.9%	$318.7M	0.3%	$7.01	0
2023-Q1	Decreased	46.3M	-0.5%	$294.6M	0.3%	$6.36	0
2022-Q4	Decreased	46.6M	-0.8%	$212.3M	0.2%	$4.56	0
2022-Q3	Decreased	47M	-0.2%	$116M	0.1%	$2.47	0
2022-Q2	Decreased	47.1M	-0.7%	$156.7M	0.1%	$3.33	0
2022-Q1	Decreased	47.4M	-0.3%	$216.6M	0.2%	$4.57	0
2021-Q4	Decreased	47.5M	-0.9%	$131.2M	0.1%	$2.76	0
2021-Q3	Decreased	47.9M	-0.2%	$181.7M	0.1%	$3.79	0
2021-Q2	Decreased	48M	-0.8%	$217.2M	0.1%	$4.52	0
2021-Q1	Decreased	48.4M	-0.2%	$172M	0.1%	$3.55	0
2020-Q4	Decreased	48.5M	-1.1%	$112.1M	0.1%	$2.31	0
2020-Q3	Decreased	49.1M	-1.6%	$39.6M	0.0%	$0.81	0
2020-Q2	Decreased	49.9M	-3.5%	$91.3M	0.1%	$1.83	0
2020-Q1	Decreased	51.7M	-2.9%	$60M	0.1%	$1.16	0
2019-Q4	Increased	53.2M	+0.2%	$366.3M	0.3%	$6.88	37
2019-Q3	Increased	53.1M	+3.3%	$237.6M	0.2%	$4.47	38
2019-Q2	Increased	51.5M	+51.7%	$329.9M	0.2%	$6.41	52
2019-Q1	Increased	33.9M	+0.3%	$295.5M	0.2%	$8.71	37
2018-Q4	First report	33.8M	-	$234.7M	0.2%	$6.94	0