Insperity, Inc.
Insperity, Inc. (NSP) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · NSP · as of Mar 31, 2025
Ownership Breakdown
328
Institutional Holders
▲ 32 vs Q4
$3.32B
Total Inst. Value
▲ $484.32M vs Q4
38.17M
Shares Outstanding
freeFloat 93.75%
37.25M
13F Shares Held
▲ 683,205 vs Q4
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
NSP largest shareholders · institutional ownership
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
MAWER INVESTMENT MANAGEMENT LTD. services-help supply services | 5.10M | 13.43% | 13.43% | $455.30B | May 7, 2025 | ▼ 115.1K |
BLACKROCK, INC. services-help supply services | 4.75M | 12.50% | 12.50% | $423.81B | May 2, 2025 | ▼ 423.0K |
VANGUARD GROUP INC services-help supply services | 3.78M | 9.94% | 9.94% | $336.91B | May 9, 2025 | ▼ 232.6K |
REINHART PARTNERS, INC. services-help supply services | 1.48M | 3.91% | 3.91% | $132.42B | Apr 11, 2025 | ▲ 312.2K |
BANK OF AMERICA CORP /DE/ services-help supply services | 1.43M | 3.77% | 3.77% | $127.94B | May 15, 2025 | ▲ 384.4K |
CHARLES SCHWAB INVESTMENT MANAGEMENT INC services-help supply services | 1.41M | 3.71% | 3.71% | $125.90B | Sep 15, 2025 | ▲ 78.9K |
EARNEST PARTNERS LLC services-help supply services | 1.37M | 3.61% | 3.61% | $122.31B | May 14, 2025 | ▲ 44.0K |
STATE STREET CORP services-help supply services | 1.34M | 3.52% | 3.52% | $119.34B | May 15, 2025 | ▼ 8.0K |
GEODE CAPITAL MANAGEMENT, LLC services-help supply services | 1.02M | 2.68% | 2.68% | $90.79B | May 13, 2025 | ▲ 185.1K |
SEI INVESTMENTS CO services-help supply services | 792.6K | 2.09% | 2.09% | $70.73B | May 14, 2025 | ▲ 7.5K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2025 vs prior quarter
Q1 2025
35
Increased
+2.80M shares1
New Positions
first time holders12
Decreased
−1.79M shares0
Sold Out
fully exitedNet shares change (top 50)
+1.02M
+2.80M / −1.79M
Net new holders
+24
1 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
NSP insider trading · insider activity
Source: SEC Form 4
Insiders have been net buyers of shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
14
Buy transactions
0
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
SARVADI PAUL J Chairman of the Board & CEO | Jun 3, 2026 | Purchase | 233,000 | $34.05 | $7.93M | 1.11M | Form 4 ↗ |
WILMINGTON PHILIP W director | May 18, 2026 | Award | 6,201 | — | — | 10.7K | Form 4 ↗ |
Ramchand Latha director | May 18, 2026 | Award | 6,201 | — | — | 21.3K | Form 4 ↗ |
MORPHY JOHN M director | May 18, 2026 | Award | 6,201 | — | — | 16.5K | Form 4 ↗ |
MASTERSON ELLEN H director | May 18, 2026 | Award | 6,201 | — | — | 27.2K | Form 4 ↗ |
Mehl Randall director | May 18, 2026 | Award | 6,201 | — | — | 31.9K | Form 4 ↗ |
Lumelleau John L director | May 18, 2026 | Award | 6,201 | — | — | 20.3K | Form 4 ↗ |
KAUFMAN CAROL R director | May 18, 2026 | Award | 6,201 | — | — | 53.3K | Form 4 ↗ |
JONES ELI director | May 18, 2026 | Award | 6,201 | — | — | 19.0K | Form 4 ↗ |
CLIFFORD TIM director | May 18, 2026 | Award | 6,201 | — | — | 29.1K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Insperity, Inc. (NSP) is primarily owned by institutional investors, who hold approximately 97.6% of total shares outstanding. Company insiders own approximately 6.25%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of Insperity, Inc. is MAWER INVESTMENT MANAGEMENT LTD., holding approximately 5.10 million shares — equal to 13.43% of outstanding shares — as of March 31, 2025.
A total of 328 institutional investors currently hold NSP stock, with a combined institutional value of approximately $3.32 billion as of the most recent 13F filing period.
Frequently asked questions
NSP ownershipInsperity, Inc. (NSP) is primarily owned by institutional investors, who hold approximately 97.6% of shares. The largest shareholder is MAWER INVESTMENT MANAGEMENT LTD. with a 13.43% stake. Company insiders hold 6.25%. Data sourced from SEC Form 13F as of March 31, 2025.