# BLACKROCK INC (BLK) — Institutional Ownership

Source: SEC EDGAR 13F filings, congressional STOCK Act disclosures, SEC Form 4 insider transactions.
CUSIP: 09290D101
Page URL: https://superinvestorclub.com/stock/BLK
Last updated: 2026-07-08T11:30:34.330Z

## Summary

As of the most recent 13F filing period, BLACKROCK INC (BLK) is held by 6 tracked superinvestors with an aggregate position value of $1.19B representing 054610045328222020011857711347 shares.

## Top institutional holders (6)

| Rank | Manager | Fund | Shares | Value | % of Portfolio | Period |
|------|---------|------|--------|-------|----------------|--------|
| 1 | [Mason Morfit](https://superinvestorclub.com/manager/50) | ValueAct Capital | 546100 | $525.2M | 9.19% | 2026-03-31 |
| 2 | [William Von Mueffling](https://superinvestorclub.com/manager/2284) | Cantillon Capital Management | 453282 | $435.9M | 2.90% | 2026-03-31 |
| 3 | [Tom Gayner](https://superinvestorclub.com/manager/22) | Markel Group | 220200 | $211.8M | 1.77% | 2026-03-31 |
| 4 | [FPA Queens Road](https://superinvestorclub.com/manager/97) | Bragg Financial Advisors | 11857 | $11.4M | 0.36% | 2026-03-31 |
| 5 | [Dodge & Cox](https://superinvestorclub.com/manager/16) | Dodge & Cox | 711 | $683,776 | 0.00% | 2026-03-31 |
| 6 | [Hillman Value Fund](https://superinvestorclub.com/manager/95) | Hillman Capital Management | 347 | $333,713 | 0.23% | 2026-03-31 |

## Ownership history (quarter-over-quarter)

- 2024-12-31: 4 holders, $470.4M aggregate, 022763122020010264750 shares
- 2025-03-31: 6 holders, $879.0M aggregate, 046785422913422020010478655343 shares
- 2025-06-30: 7 holders, $1.26B aggregate, 051602726071622020019510411111655363 shares
- 2025-09-30: 11 holders, $1.67B aggregate, 061949251040222020066698110573276655342331186183 shares
- 2025-12-31: 9 holders, $1.61B aggregate, 069500051425222020054409113614581711333190 shares
- 2026-03-31: 6 holders, $1.19B aggregate, 054610045328222020011857711347 shares

## Recent congressional trades (38)

- 2025-11-05: Rich McCormick (Republican-GA) purchase $1,001 - $15,000
- 2025-10-14: Lisa McClain (Republican-MI) sale $1,001 - $15,000
- 2025-08-18: Dan Newhouse (Republican-WA) sale $1,001 - $15,000
- 2025-08-11: Julie Johnson (Democrat-TX) sale $1,001 - $15,000
- 2025-08-04: Shelley Moore Capito (Republican-WV) sale $1,001 - $15,000
- 2025-07-22: Julie Johnson (Democrat-TX) sale $1,001 - $15,000
- 2025-07-16: Lisa McClain (Republican-MI) purchase $1,001 - $15,000
- 2025-07-11: Ritchie Torres (Democrat-NY) sale $1,001 - $15,000
- 2025-06-23: Ro Khanna (Democrat-CA) purchase $1,001 - $15,000
- 2025-05-12: Jefferson Shreve (Republican-IN) sale $50,001 - $100,000
- 2025-05-08: Jefferson Shreve (Republican-IN) sale $50,001 - $100,000
- 2025-04-15: Ro Khanna (Democrat-CA) purchase $1,001 - $15,000
- 2025-04-11: Dan Newhouse (Republican-WA) sale $1,001 - $15,000
- 2025-04-09: Josh Gottheimer (Democrat-NJ) sale $1,001 - $15,000
- 2025-04-09: Ro Khanna (Democrat-CA) purchase $15,001 - $50,000

## Recent insider transactions (0)


## Citation

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