Insperity, Inc. (NSP) Ownership
NSP ownership summary
as of October 18, 2026- Institutions
- 115.4% of shares outstanding
- Insiders
- 6.24% of shares outstanding
- Shares outstanding
- 38.2M
- Float
- 35.8M shares available to trade
- Short interest
- 9.55% 3.0M shares short
- Days to cover
- 6.63 short interest down 5.3% vs prior month
- Institutions 115.42%
- Insiders 6.24%
NSP top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock Inc | 14.53% | 5.5M | $285.1M | +229,664 (+4.3%) | June 30, 2026 |
| 2 | Reinhart Mahoney Capital Management Inc | 8.53% | 3.3M | $167.3M | −47,299 (−1.4%) | September 30, 2026 |
| 3 | Earnest Partners LLC | 8.12% | 3.1M | $159.3M | +1.0M (+50.0%) | June 30, 2026 |
| 4 | Bank of America Corp | 7.51% | 2.9M | $147.4M | +1.5M (+113.2%) | June 30, 2026 |
| 5 | Vanguard Portfolio Management, LLC | 5.81% | 2.2M | $114.0M | +68,727 (+3.2%) | June 30, 2026 |
| 6 | SEI Investments Co | 4.92% | 1.9M | $96.6M | +568,921 (+43.4%) | June 30, 2026 |
| 7 | Charles Schwab Investment Management Inc | 4.27% | 1.6M | $83.7M | +195,453 (+13.6%) | June 30, 2026 |
| 8 | The Goldman Sachs Group Inc | 4.22% | 1.6M | $82.8M | −49,051 (−3.0%) | June 30, 2026 |
| 9 | Vanguard Capital Management, LLC | 4.10% | 1.6M | $80.4M | +35,392 (+2.3%) | June 30, 2026 |
| 10 | State Street Corp | 3.80% | 1.5M | $74.6M | +63,593 (+4.6%) | June 30, 2026 |
| 11 | Amvescap Plc. | 3.37% | 1.3M | $66.1M | −1.1M (−46.4%) | June 30, 2026 |
| 12 | Geode Capital Management, LLC | 2.41% | 920K | $47.3M | +73,589 (+8.7%) | June 30, 2026 |
| 13 | Jacobs Levy Equity Management, Inc. | 2.38% | 908K | $46.7M | −22,984 (−2.5%) | June 30, 2026 |
| 14 | Royce & Associates, LP | 2.05% | 784K | $40.3M | −34,513 (−4.2%) | June 30, 2026 |
| 15 | AQR Capital Management LLC | 2.05% | 783K | $40.3M | +485,483 (+162.9%) | June 30, 2026 |
| 16 | Morgan Stanley - Brokerage Accounts | 1.76% | 673K | $34.6M | +244,292 (+57.0%) | June 30, 2026 |
| 17 | Natixis Advisors, LLC. | 1.41% | 538K | $27.6M | +316,885 (+143.2%) | June 30, 2026 |
| 18 | JONES FINANCIAL COMPANIES LLLP | 1.40% | 534K | $27.5M | +345,579 (+183.0%) | June 30, 2026 |
| 19 | Sunriver Management LLC | 1.35% | 517K | $26.6M | +516,995 (0.0%) | June 30, 2026 |
| 20 | 22NW, LP | 1.29% | 493K | $25.3M | — | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 14 holders added 5.7M shares and 5 cut 1.3M.
NSP top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | iShares Core S&P Small-Cap ETF | 5.59% | 2.1M | $109.8M | +546 (+0.0%) | September 30, 2026 |
| 2 | Vanguard MStar Total Stk Mkt Idx Invest | 2.86% | 1.1M | $56.1M | −1,713 (−0.2%) | August 31, 2026 |
| 3 | Schwab US Dividend Equity ETF™ | 2.61% | 998K | $51.3M | +2,760 (+0.3%) | September 30, 2026 |
| 4 | iShares Russell 2000 ETF | 2.51% | 957K | $49.2M | −11,008 (−1.1%) | September 30, 2026 |
| 5 | Vanguard Small Cap Index | 2.07% | 790K | $40.6M | −768 (−0.1%) | August 31, 2026 |
| 6 | Reinhart Genesis PMV Advisor | 1.58% | 604K | $31.0M | +30,000 (+5.2%) | June 30, 2026 |
| 7 | Vanguard MStar Small Cap Value Index | 1.31% | 502K | $25.8M | +408 (+0.1%) | August 31, 2026 |
| 8 | Royce Small-Cap Total Return Invmt | 1.18% | 451K | $23.2M | — | June 30, 2026 |
| 9 | Invesco High Yield Eq Div Achiev™ ETF | 1.13% | 433K | $22.3M | — | September 30, 2026 |
| 10 | Fidelity Small Cap Index | 1.06% | 405K | $20.8M | +3,274 (+0.8%) | July 31, 2026 |
| 11 | JNL Multi-Manager Small Cap Value I | 0.97% | 371K | $19.1M | +25,000 (+7.2%) | June 30, 2026 |
| 12 | iShares Russell 2000 Growth ETF | 0.92% | 350K | $18.0M | −443 (−0.1%) | September 30, 2026 |
| 13 | State Street SPDR Port S&P 600 Sm CpETF | 0.86% | 329K | $16.9M | — | September 30, 2026 |
| 14 | iShares S&P Small-Cap 600 Value ETF | 0.79% | 304K | $15.6M | — | September 30, 2026 |
| 15 | Schwab Fundamental U.S. Small CompanyETF | 0.76% | 291K | $15.0M | +413 (+0.1%) | September 30, 2026 |
| 16 | Vanguard Tax-Managed Small Cap Adm | 0.72% | 276K | $14.2M | — | August 31, 2026 |
| 17 | VisionFund - US Eq Sm Mid Cap N USD | 0.65% | 250K | $12.8M | −944 (−0.4%) | August 31, 2026 |
| 18 | Vanguard Russell 2000 ETF | 0.56% | 212K | $10.9M | +5,091 (+2.5%) | August 31, 2026 |
| 19 | ProShares S&P SmCp 600 Div ArstocrtsETF | 0.53% | 202K | $10.4M | −666 (−0.3%) | September 30, 2026 |
| 20 | Schwab US Small-Cap ETF™ | 0.50% | 189K | $9.7M | +126 (+0.1%) | September 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
NSP insider transactions
latest 17| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-19 | Paul J Sarvadi | Buy | $23.60 | 25,000 | $590,000 |
| 2026-03-18 | Paul J Sarvadi | Buy | $23.22 | 160,000 | $3.7M |
| 2026-03-17 | Paul J Sarvadi | Buy | $22.58 | 16,987 | $383,566 |
| 2026-03-11 | Christian P Callens | Buy | $19.28 | 1,250 | $24,100 |
| 2026-03-11 | Ellen H Masterson | Buy | $19.90 | 1,200 | $23,880 |
| 2026-03-10 | James D Allison | Buy | $20.45 | 10,000 | $204,500 |
| 2025-11-07 | Randall Mehl | Buy | $33.88 | 1,000 | $33,880 |
| 2025-11-06 | Randall Mehl | Buy | $34.25 | 2,000 | $68,500 |
| 2025-09-17 | Paul J Sarvadi | Sell | $51.98 | 10,850 | $563,983 |
| 2025-08-06 | Latha Ramchand | Buy | $50.64 | 1,000 | $50,640 |
| 2025-08-04 | Carol R Kaufman | Buy | $45.24 | 5,000 | $226,200 |
| 2025-08-04 | Eli Jones | Buy | $45.41 | 2,204 | $100,084 |
| 2025-08-04 | Ellen H Masterson | Buy | $45.30 | 490 | $22,197 |
| 2025-08-04 | James D Allison | Buy | $46.82 | 4,000 | $187,280 |
| 2025-08-04 | John L Lumelleau | Buy | $45.36 | 5,500 | $249,480 |
| 2025-08-04 | Randall Mehl | Buy | $45.05 | 2,000 | $90,100 |
| 2025-05-05 | Paul J Sarvadi | Sell | $65.26 | 14,203 | $926,888 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
NSP shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns NSP
Institutional investors own 115.4% of Insperity's shares and insiders 6.24%. The largest holder is BlackRock Inc with 14.53% of the shares (5.5M), as of June 30, 2026. Among the top 20 institutions, 14 added shares and 5 reduced their stake in the latest filings. Short interest is 9.55% of the float, or 6.63 days of average trading volume. The share count fell 24.2% since 2014.
Related: NSP analyst forecast, NSP key metrics, NSP dividend history. See the NSP stock overview for the latest quote and news.
NSP ownership FAQ
Who owns the most Insperity stock?
The largest shareholders of Insperity are BlackRock Inc (14.53%), Reinhart Mahoney Capital Management Inc (8.53%), Earnest Partners LLC (8.12%), Bank of America Corp (7.51%), Vanguard Portfolio Management, LLC (5.81%).
What percentage of Insperity is owned by institutions?
Institutions hold 115.4% of Insperity's shares outstanding; insiders hold 6.24%.
Which funds own Insperity?
The largest fund holders of Insperity are iShares Core S&P Small-Cap ETF (5.59%), Vanguard MStar Total Stk Mkt Idx Invest (2.86%), Schwab US Dividend Equity ETF™ (2.61%), iShares Russell 2000 ETF (2.51%), Vanguard Small Cap Index (2.07%).
What is Insperity's short interest?
3.0M shares of Insperity were sold short, 9.55% of the float; at the average daily volume it would take 6.63 days to cover.
Are insiders buying or selling Insperity?
Of the latest 17 reported insider transactions in Insperity (since May 5, 2025), 15 were purchases and 2 were sales.
How many shares of Insperity are outstanding?
Insperity has 38.2M shares outstanding, of which 35.8M are in the public float.