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 Sep 30, 2025
Ownership Breakdown
284
Institutional Holders
▼ 10 vs Q2
$1.84B
Total Inst. Value
▼ $386.05M vs Q2
38.17M
Shares Outstanding
freeFloat 93.75%
37.46M
13F Shares Held
▲ 382,889 vs Q2
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
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BLACKROCK, INC. services-help supply services | 4.26M | 11.21% | 11.21% | $209.63B | Nov 12, 2025 | ▲ 5.8K |
VANGUARD GROUP INC services-help supply services | 3.78M | 9.94% | 9.94% | $185.84B | Nov 7, 2025 | ▼ 35.6K |
MAWER INVESTMENT MANAGEMENT LTD. services-help supply services | 2.62M | 6.90% | 6.90% | $129.07B | Nov 4, 2025 | ▼ 2.22M |
REINHART PARTNERS, INC. services-help supply services | 2.20M | 5.80% | 5.80% | $108.36B | Oct 28, 2025 | ▲ 415.4K |
CHARLES SCHWAB INVESTMENT MANAGEMENT INC services-help supply services | 1.49M | 3.92% | 3.92% | $73.34B | Nov 10, 2025 | ▲ 38.2K |
EARNEST PARTNERS LLC services-help supply services | 1.40M | 3.68% | 3.68% | $68.88B | Nov 14, 2025 | ▲ 53.6K |
BANK OF AMERICA CORP /DE/ services-help supply services | 1.32M | 3.47% | 3.47% | $64.80B | Feb 3, 2026 | ▼ 14.6K |
STATE STREET CORP services-help supply services | 1.29M | 3.40% | 3.40% | $63.59B | Nov 14, 2025 | ▼ 15.2K |
HAWK RIDGE CAPITAL MANAGEMENT LP services-help supply services | 915.2K | 2.41% | 2.41% | $45.03B | Nov 14, 2025 | ▲ 123.7K |
GEODE CAPITAL MANAGEMENT, LLC services-help supply services | 872.2K | 2.30% | 2.30% | $42.92B | Nov 12, 2025 | ▼ 158.3K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
31
Increased
+3.89M shares1
New Positions
first time holders16
Decreased
−2.75M shares0
Sold Out
fully exitedNet shares change (top 50)
+1.14M
+3.89M / −2.75M
Net new holders
+16
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 98.1% 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 BLACKROCK, INC., holding approximately 4.26 million shares — equal to 11.21% of outstanding shares — as of September 30, 2025.
A total of 284 institutional investors currently hold NSP stock, with a combined institutional value of approximately $1.84 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 98.1% of shares. The largest shareholder is BLACKROCK, INC. with a 11.21% stake. Company insiders hold 6.25%. Data sourced from SEC Form 13F as of September 30, 2025.