# BLACKSTONE MINE (BSM) — Institutional Ownership

Source: SEC EDGAR 13F filings, congressional STOCK Act disclosures, SEC Form 4 insider transactions.
CUSIP: 09225M101
Page URL: https://superinvestorclub.com/stock/BSM
Last updated: 2026-07-27T03:06:57.870Z

## Summary

As of the most recent 13F filing period, BLACKSTONE MINE (BSM) is held by 2 tracked superinvestors with an aggregate position value of $1.6M representing 07736430003 shares.

## Top institutional holders (2)

| Rank | Manager | Fund | Shares | Value | % of Portfolio | Period |
|------|---------|------|--------|-------|----------------|--------|
| 1 | [Tweedy Browne](https://superinvestorclub.com/manager/18) | Tweedy Browne Company | 77364 | $1.2M | 0.09% | 2026-03-31 |
| 2 | [First Eagle](https://superinvestorclub.com/manager/21222) | First Eagle Investment Management | 30003 | $453,645 | 0.00% | 2026-03-31 |

## Ownership history (quarter-over-quarter)

- 2023-06-30: 1 holders, $113,644 aggregate, 07125 shares
- 2023-09-30: 1 holders, $128,260 aggregate, 07444 shares
- 2023-12-31: 1 holders, $102,256 aggregate, 06407 shares
- 2024-03-31: 1 holders, $85,653 aggregate, 05360 shares
- 2024-06-30: 1 holders, $85,605 aggregate, 05463 shares
- 2024-09-30: 1 holders, $83,563 aggregate, 05534 shares
- 2024-12-31: 1 holders, $83,439 aggregate, 05715 shares
- 2025-03-31: 1 holders, $222,392 aggregate, 014564 shares
- 2025-06-30: 2 holders, $463,280 aggregate, 02085514564 shares
- 2025-09-30: 2 holders, $853,587 aggregate, 04270122260 shares
- 2025-12-31: 2 holders, $958,062 aggregate, 04982922260 shares
- 2026-03-31: 2 holders, $1.6M aggregate, 07736430003 shares

## Recent congressional trades (0)


## Recent insider transactions (0)


## Citation

When citing, use: "BLACKSTONE MINE (BSM) institutional ownership data via Superinvestor (https://superinvestorclub.com/stock/BSM), aggregating SEC 13F, Form 4, and congressional disclosures."