# SONY GROUP CORP (SONY) — Institutional Ownership

Source: SEC EDGAR 13F filings, congressional STOCK Act disclosures, SEC Form 4 insider transactions.
CUSIP: 835699307
Page URL: https://superinvestorclub.com/stock/SONY
Last updated: 2026-07-08T12:54:02.079Z

## Summary

As of the most recent 13F filing period, SONY GROUP CORP (SONY) is held by 1 tracked superinvestors with an aggregate position value of $6.9M representing 0335000 shares.

## Top institutional holders (1)

| Rank | Manager | Fund | Shares | Value | % of Portfolio | Period |
|------|---------|------|--------|-------|----------------|--------|
| 1 | [Tom Gayner](https://superinvestorclub.com/manager/22) | Markel Group | 335000 | $6.9M | 0.06% | 2026-03-31 |

## Ownership history (quarter-over-quarter)

- 2024-03-31: 1 holders, $5.7M aggregate, 067000 shares
- 2024-06-30: 1 holders, $5.7M aggregate, 067000 shares
- 2024-09-30: 1 holders, $6.5M aggregate, 067000 shares
- 2024-12-31: 1 holders, $7.1M aggregate, 0335000 shares
- 2025-03-31: 1 holders, $8.5M aggregate, 0335000 shares
- 2025-06-30: 1 holders, $8.7M aggregate, 0335000 shares
- 2025-09-30: 2 holders, $9.9M aggregate, 03350007830 shares
- 2025-12-31: 2 holders, $8.8M aggregate, 03350007830 shares
- 2026-03-31: 1 holders, $6.9M aggregate, 0335000 shares

## Recent congressional trades (13)

- 2025-12-26: Steve Cohen (Democrat-TN) purchase $1,001 - $15,000
- 2025-10-31: Lisa McClain (Republican-MI) sale $1,001 - $15,000
- 2025-10-30: Lisa McClain (Republican-MI) purchase $1,001 - $15,000
- 2025-10-30: Lisa McClain (Republican-MI) sale $1,001 - $15,000
- 2025-08-04: Lisa McClain (Republican-MI) purchase $1,001 - $15,000
- 2025-06-24: Lisa McClain (Republican-MI) sale $1,001 - $15,000
- 2025-06-17: Lisa McClain (Republican-MI) purchase $1,001 - $15,000
- 2025-04-21: Bruce Westerman (Republican-AR) sale $1,001 - $15,000
- 2025-04-09: Josh Gottheimer (Democrat-NJ) sale $1,001 - $15,000
- 2025-03-24: Bruce Westerman (Republican-AR) purchase $1,001 - $15,000
- 2025-03-14: Susie Lee (Democrat-NV) sale $1,001 - $15,000
- 2025-03-03: Bruce Westerman (Republican-AR) purchase $1,001 - $15,000
- 2024-02-22: Byron Donalds (Republican-FL) sale $1,001 - $15,000

## Recent insider transactions (0)


## Citation

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