# INSPERITY INC (NSP) — Institutional Ownership

Source: SEC EDGAR 13F filings, congressional STOCK Act disclosures, SEC Form 4 insider transactions.
CUSIP: 45778Q107
Page URL: https://superinvestorclub.com/stock/NSP
Last updated: 2026-07-08T12:26:28.077Z

## Summary

As of the most recent 13F filing period, INSPERITY INC (NSP) is held by 1 tracked superinvestors with an aggregate position value of $4.9M representing 0181336 shares.

## Top institutional holders (1)

| Rank | Manager | Fund | Shares | Value | % of Portfolio | Period |
|------|---------|------|--------|-------|----------------|--------|
| 1 | [Tom Gayner](https://superinvestorclub.com/manager/22) | Markel Group | 181336 | $4.9M | 0.04% | 2026-03-31 |

## Ownership history (quarter-over-quarter)

- 2024-03-31: 1 holders, $1.8M aggregate, 016876 shares
- 2024-06-30: 2 holders, $5.1M aggregate, 0529063484 shares
- 2024-09-30: 1 holders, $6.2M aggregate, 070143 shares
- 2024-12-31: 1 holders, $10.2M aggregate, 0131728 shares
- 2025-03-31: 1 holders, $11.8M aggregate, 0131728 shares
- 2025-06-30: 1 holders, $7.9M aggregate, 0131728 shares
- 2025-09-30: 1 holders, $6.5M aggregate, 0131728 shares
- 2025-12-31: 2 holders, $6.9M aggregate, 015287326210 shares
- 2026-03-31: 1 holders, $4.9M aggregate, 0181336 shares

## Recent congressional trades (0)


## Recent insider transactions (0)


## Citation

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