# DIAMOND OFFSHORE DRILLING IN (DO) — Institutional Ownership

Source: SEC EDGAR 13F filings, congressional STOCK Act disclosures, SEC Form 4 insider transactions.
CUSIP: 25271C201
Page URL: https://superinvestorclub.com/stock/DO
Last updated: 2026-08-29T13:48:39.346Z

## Summary

As of the most recent 13F filing period, DIAMOND OFFSHORE DRILLING IN (DO) is held by 0 tracked superinvestors with an aggregate position value of $0 representing 0 shares.

## Top institutional holders (0)

| Rank | Manager | Fund | Shares | Value | % of Portfolio | Period |
|------|---------|------|--------|-------|----------------|--------|

## Ownership history (quarter-over-quarter)

- 2023-09-30: 1 holders, $88,887 aggregate, 06055 shares
- 2023-12-31: 1 holders, $79,118 aggregate, 06086 shares
- 2024-03-31: 2 holders, $9.2M aggregate, 06694727713 shares
- 2024-06-30: 1 holders, $149,339 aggregate, 09641 shares

## Recent congressional trades (0)


## Recent insider transactions (0)


## Citation

When citing, use: "DIAMOND OFFSHORE DRILLING IN (DO) institutional ownership data via Superinvestor (https://superinvestorclub.com/stock/DO), aggregating SEC 13F, Form 4, and congressional disclosures."