Insperity, Inc.
NSP- Exchange
- NYSE
- Industry
- Services-Help Supply Services
- SEC CIK
- 0001000753
No open-market purchases or sales by Insperity, Inc. insiders were filed in the last 90 days; 277 institutions reported holding it in 13F filings for Q2 2026, worth $1.76B in total; Markel Group is the only superinvestor holding it.
Holders of 5% or more of NSP
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Insperity, Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 13G/A | 13.70%5.18M shares | +2.20 ppfrom 11.50% | Apr 23, 20252 filings | Jan 21, 2026 | SEC |
| Reinhart Partners, Inc. | 13G/A | 7.30%2.75M shares | +1.40 ppfrom 5.90% | Nov 4, 20252 filings | Feb 12, 2026 | SEC |
| Invesco Ltd. | 13G | 6.40%2.40M shares | New | May 6, 20261 filing | May 6, 2026 | SEC |
| Vanguard Portfolio Management LLC | 13G | 5.78%2.18M shares | New | Apr 29, 20261 filing | Apr 29, 2026 | SEC |
| Earnest Partners LLC | 13G | 5.40%2.07M shares | New | May 15, 20261 filing | May 15, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
10 Schedule 13D and 13G filings on Insperity, Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| May 15, 20263:53 PM ET | Earnest Partners LLC | 13G | 5.40%2.07M shares | New | Mar 31, 2026 | SEC |
| May 6, 20264:11 PM ET | Invesco Ltd. | 13G | 6.40%2.40M shares | New | Mar 31, 2026 | SEC |
| Apr 29, 20261:53 PM ET | Vanguard Portfolio Management LLC | 13G | 5.78%2.18M shares | New | Mar 31, 2026 | SEC |
| Mar 27, 20269:54 AM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | –Below 5% | Mar 13, 2026 | SEC |
| Feb 12, 20263:38 PM ET | Reinhart Partners, Inc. | 13G/A | 7.30%2.75M shares | +1.40 ppfrom 5.90% | Sep 30, 2025 | SEC |
| Feb 11, 20263:08 PM ET | Mawer Investment Management Ltd. | 13G/A | 3.18%1.20M shares | −4.06 ppfrom 7.24%Below 5% | Dec 31, 2025 | SEC |
| Jan 21, 202612:30 PM ET | BlackRock, Inc. | 13G/A | 13.70%5.18M shares | +2.20 ppfrom 11.50% | Dec 31, 2025 | SEC |
| Nov 4, 202512:38 PM ET | Reinhart Partners, Inc. | 13G | 5.90%2.20M shares | New | Sep 30, 2025 | SEC |
| Sep 4, 202510:27 AM ET | Mawer Investment Management Ltd. | 13G/A | 7.24%2.73M shares | – | Aug 29, 2025 | SEC |
| Apr 23, 20257:15 AM ET | BlackRock, Inc. | 13G/A | 11.50%4.28M shares | – | Mar 31, 2025 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Insperity, Inc. shares.
No Form 144 notices for Insperity, Inc. are on file.