Private company
South Dakota Investment Council
Public body registered in the United States, active since 1972. Summary from the record
Last updated Oct 21, 2026.
Overview
Corporate structure
South Dakota Investment Council sits at the top of its group. 2 entities, 2 countries on record. Switch between the flow chart and the network, and select any entity to see its details.
- South Dakota Investment Council Sioux Falls, South Dakota, United States
- Bristow Helicopters Stake ยท Aberdeen, United Kingdom
Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); stakes of 5% or more it reported on Schedules 13D and 13G (1 companies). Each entity in the chart links to its source.
Timeline
- Jul 1, 1972Founded South Dakota Investment Council is founded2
Filings
23 filings to the SEC since October 2021: 23 other. The latest 20:
- Aug 11, 2026N-PX EDGAR
- Aug 11, 202613F-HR EDGAR
- May 18, 202613F-HR EDGAR
- Feb 12, 202613F-HR EDGAR
- Nov 12, 202513F-HR EDGAR
- Aug 12, 2025N-PX EDGAR
- Aug 5, 202513F-HR EDGAR
- May 5, 202513F-HR EDGAR
- Feb 4, 202513F-HR EDGAR
- Nov 4, 202413F-HR EDGAR
- Oct 7, 2024N-PX EDGAR
- Aug 8, 202413F-HR EDGAR
- May 2, 202413F-HR EDGAR
- Feb 1, 202413F-HR EDGAR
- Nov 7, 202313F-HR EDGAR
- Aug 10, 202313F-HR EDGAR
- May 10, 202313F-HR EDGAR
- Feb 7, 202313F-HR EDGAR
- Nov 9, 202213F-HR EDGAR
- Aug 11, 202213F-HR EDGAR
The 23 filings since October 2021 can be filtered by form type and year here when JavaScript is on.
Every filing from the last five years, summarized. The full record is on SEC EDGAR.
Stakes it holds
South Dakota Investment Council has told the SEC it owns more than 5% of 1 company, latest first (Schedules 13D and 13G).
- Bristow HelicoptersSCHEDULE 13D/A Jun 7, 2022 to Apr 10, 20263
Sources
The numbers on this page point here. Each one links to the record it came from.
- 1
- 2
- 3