INSPERITY INC (NSP) Top Institutional Shareholders
INSPERITY INC (NSP) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026. The institutional investors covered on this page collectively reported approximately $1.10B in NSP holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of NSP tracked by InsiderSet, reporting ownership valued at approximately $143.84M in its March 31, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $198.10M, representing an estimated gain of +37.72% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 55% of the total disclosed NSP value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Reinhart Partners, Llc., Invesco Ltd., and several other long-term asset managers with concentrated positions in INSPERITY INC (NSP).
This page ranks the largest institutional NSP shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
250
Total Reported Value
$1.10B
Largest Holder
Blackrock, Inc.
Largest Position
$143.84M
Insider Transactions (90d)
0
Latest Filing Quarter
Q1 2026
New Institutional Positions
129
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.00% | 5,319,664 | $143,843,713 | $198,104,287 | +$54,260,574 | +37.72% | |
| Reinhart Partners, Llc. | 2.29% | 2,947,709 | $79,706,297 | $109,772,683 | +$30,066,386 | +37.72% | |
| Invesco Ltd. | 0.01% | 2,401,765 | $64,943,727 | $89,441,729 | +$24,498,002 | +37.72% | |
| Vanguard Portfolio Management Llc | 0.00% | 2,149,770 | $58,129,781 | $80,057,435 | +$21,927,654 | +37.72% | |
| Earnest Partners Llc | 0.23% | 2,066,472 | $55,877,403 | $76,955,417 | +$21,078,014 | +37.72% | |
| Goldman Sachs Group Inc | 0.01% | 1,660,829 | $44,908,817 | $61,849,272 | +$16,940,455 | +37.72% | |
| Vanguard Capital Management Llc | 0.00% | 1,529,339 | $41,353,327 | $56,952,584 | +$15,599,257 | +37.72% | |
| Hawk Ridge Capital Management Lp | 1.44% | 1,464,781 | $39,607,678 | $54,548,444 | +$14,940,766 | +37.72% | |
| Charles Schwab Investment Management Inc | 0.01% | 1,434,450 | $38,787,528 | $53,418,918 | +$14,631,390 | +37.72% | |
| State Street Corp | 0.00% | 1,388,881 | $37,555,342 | $51,721,928 | +$14,166,586 | +37.72% | |
| Bank Of America Corp | 0.00% | 1,345,533 | $36,383,213 | $50,107,649 | +$13,724,436 | +37.72% | |
| Sei Investments Co | 0.03% | 1,311,430 | $35,461,068 | $48,837,653 | +$13,376,585 | +37.72% | |
| Jacobs Levy Equity Management, Inc | 0.11% | 931,155 | $25,178,431 | $34,676,212 | +$9,497,781 | +37.72% | |
| Geode Capital Management, Llc | 0.00% | 846,460 | $22,892,748 | $31,522,170 | +$8,629,422 | +37.70% | |
| Royce & Associates Lp | 0.22% | 818,585 | $22,134,538 | $30,484,105 | +$8,349,567 | +37.72% | |
| Mawer Investment Management Ltd. | 0.13% | 746,943 | $20,197,339 | $27,816,157 | +$7,618,818 | +37.72% | |
| Citadel Advisors Llc | 0.01% | 662,341 | $17,909,701 | $24,665,579 | +$6,755,878 | +37.72% | |
| Two Sigma Investments, Lp | 0.01% | 644,836 | $17,436,365 | $24,013,693 | +$6,577,328 | +37.72% | |
| Dimensional Fund Advisors Lp | 0.00% | 601,753 | $16,272,838 | $22,409,282 | +$6,136,444 | +37.71% | |
| 22Nw, Lp | 9.14% | 493,000 | $13,330,720 | $18,359,320 | +$5,028,600 | +37.72% | |
| Morgan Stanley | 0.00% | 428,243 | $11,579,713 | $15,947,769 | +$4,368,056 | +37.72% | |
| Voloridge Investment Management, Llc | 0.04% | 378,679 | $10,239,480 | $14,102,006 | +$3,862,526 | +37.72% | |
| D. E. Shaw & Co., Inc. | 0.01% | 377,738 | $10,214,035 | $14,066,963 | +$3,852,928 | +37.72% | |
| Northern Trust Corp | 0.00% | 376,811 | $10,188,970 | $14,032,442 | +$3,843,472 | +37.72% | |
| Knightsbridge Asset Management, Llc | 0.72% | 314,043 | $9,838,176 | $11,694,961 | +$1,856,785 | +18.87% | |
| Federated Hermes, Inc. | 0.01% | 333,140 | $9,008,106 | $12,406,134 | +$3,398,028 | +37.72% | |
| Trexquant Investment Lp | 0.06% | 324,338 | $8,770,100 | $12,078,347 | +$3,308,247 | +37.72% | |
| Aqr Capital Management Llc | 0.00% | 298,009 | $8,058,173 | $11,097,855 | +$3,039,682 | +37.72% | |
| Ubs Group Ag | 0.00% | 293,490 | $7,935,970 | $10,929,568 | +$2,993,598 | +37.72% | |
| Proshare Advisors Llc | 0.01% | 284,129 | $7,682,847 | $10,580,964 | +$2,898,117 | +37.72% | |
| Hotchkis & Wiley Capital Management Llc | 0.02% | 266,060 | $7,194,262 | $9,908,074 | +$2,713,812 | +37.72% | |
| Solas Capital Management, Llc | 3.92% | 251,852 | $6,810,078 | $9,378,968 | +$2,568,890 | +37.72% | |
| Vanguard Fiduciary Trust Co | 0.00% | 250,414 | $6,771,195 | $9,325,417 | +$2,554,222 | +37.72% | |
| Wells Fargo & Company/Mn | 0.00% | 227,463 | $6,150,587 | $8,470,722 | +$2,320,135 | +37.72% | |
| Bank Of New York Mellon Corp | 0.00% | 220,679 | $5,967,155 | $8,218,086 | +$2,250,931 | +37.72% | |
| Jones Financial Companies Lllp | 0.00% | 188,847 | $5,002,553 | $7,032,662 | +$2,030,109 | +40.58% | |
| Markel Group Inc. | 0.04% | 181,336 | $4,903,326 | $6,752,953 | +$1,849,627 | +37.72% | |
| Towle & Co | 1.89% | 179,878 | $4,863,901 | $6,698,657 | +$1,834,756 | +37.72% | |
| Pdt Partners, Llc | 0.29% | 178,810 | $4,835,022 | $6,658,884 | +$1,823,862 | +37.72% | |
| Envestnet Asset Management Inc | 0.00% | 177,328 | $4,794,948 | $6,603,695 | +$1,808,747 | +37.72% | |
| Principal Financial Group Inc | 0.00% | 175,295 | $4,739,977 | $6,527,986 | +$1,788,009 | +37.72% | |
| Sovereign'S Capital Management, Llc | 3.29% | 165,349 | $4,470,936 | $6,157,597 | +$1,686,661 | +37.73% | |
| Trinity Legacy Partners, Llc | 0.92% | 154,290 | $4,256,861 | $5,745,760 | +$1,488,899 | +34.98% | |
| Public Sector Pension Investment Board | 0.01% | 128,231 | $3,467,366 | $4,775,322 | +$1,307,956 | +37.72% | |
| Empowered Funds, Llc | 0.02% | 115,708 | $3,128,744 | $4,308,966 | +$1,180,222 | +37.72% | |
| Western Standard Llc | 1.56% | 109,933 | $2,972,588 | $4,093,905 | +$1,121,317 | +37.72% | |
| Russell Investments Group, Ltd. | 0.00% | 109,925 | $2,972,389 | $4,093,607 | +$1,121,218 | +37.72% | |
| Rhumbline Advisers | 0.00% | 109,807 | $2,969,159 | $4,089,213 | +$1,120,054 | +37.72% | |
| Victory Capital Management Inc | 0.00% | 107,939 | $2,918,671 | $4,019,648 | +$1,100,977 | +37.72% | |
| Ameriprise Financial Inc | 0.00% | 106,871 | $2,889,804 | $3,979,876 | +$1,090,072 | +37.72% |
Frequently asked questions about NSP
Who owns the most NSP stock?
The largest holders of NSP are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for INSPERITY INC (NSP).
Is NSP widely held by superinvestors?
Many widely followed stocks like NSP appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly NSP is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.