Security Snapshot

INSPERITY, INC. - Common Stock (NSP) Institutional Ownership

CUSIP: 45778Q107

13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026

Latest Period

Q4 2025

Institutions Reporting

264

Shares (Excl. Options)

39,497,098

Price

$38.72

Save this security page for your next review

Keep this CUSIP in your watchlists so you can revisit quarter changes from one place.

Create free account to save this page Review latest holder period
Type / Class
Equity / Common Stock
Symbol
NSP on NYSE
Shares outstanding
37,603,219
Price per share
$27.04
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
39,497,098
Total reported value
$1,529,495,539
% of total 13F portfolios
0%
Share change
+2,393,883
Value change
+$65,410,197
Number of holders
264
Price from insider filings
$27.04
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Quick Takeaways

  • NSP - INSPERITY, INC. - Common Stock is tracked under CUSIP 45778Q107.
  • 264 institutions reported positions in Q4 2025.
  • 3 significant owners is listed from Schedule 13D/13G reporting.

What Changed

  • Holder count moved from 264 to 33 between Q4 2025 and Q1 2026.
  • Reported value moved from $1,529,495,539 to $90,186,516.

Why This Matters

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Source Evidence

Source: SEC Form 13F

Latest holder context comes from 264 institutions filings for Q4 2025.

Open SEC Evidence

Investment Quick Answers

What is CUSIP 45778Q107?
CUSIP 45778Q107 identifies NSP - INSPERITY, INC. - Common Stock in SEC 13F datasets.

Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.

Significant Owners of INSPERITY, INC. - Common Stock (NSP) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
BlackRock, Inc. 14% +18% $200,625,728 +$34,727,341 5,181,289 +21% BlackRock, Inc. 31 Dec 2025
REINHART PARTNERS, LLC. 7.3% $106,287,755 2,745,035 REINHART PARTNERS, LLC. 30 Sep 2025
Mawer Investment Management Ltd. 3.2% -58% $46,471,434 -$59,101,705 1,200,192 -56% Mawer Investment Management Ltd. 31 Dec 2025

As of 31 Dec 2025, 264 institutional investors reported holding 39,497,098 shares of INSPERITY, INC. - Common Stock (NSP). This represents 105% of the company’s total 37,603,219 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of INSPERITY, INC. - Common Stock (NSP) together control 85% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
BlackRock, Inc. 14% 5,352,098 +26% 0% $207,233,230
VANGUARD GROUP INC 11% 4,051,372 +7.3% 0% $156,869,123
REINHART PARTNERS, LLC. 7.3% 2,745,035 +25% 3.2% $106,288,158
BANK OF AMERICA CORP /DE/ 6.2% 2,321,745 +76% 0.01% $89,897,967
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 4.2% 1,596,769 +7.1% 0.01% $61,826,896
EARNEST PARTNERS LLC 4.2% 1,582,949 +13% 0.26% $61,291,785
GOLDMAN SACHS GROUP INC 3.9% 1,471,160 +140% 0.01% $56,963,315
STATE STREET CORP 3.6% 1,367,269 +5.8% 0% $52,940,656
Mawer Investment Management Ltd. 3.2% 1,200,192 -54% 0.26% $46,471,434
Invesco Ltd. 3% 1,137,255 +118% 0.01% $44,034,513
D. E. Shaw & Co., Inc. 2.4% 899,840 +44% 0.03% $34,841,805
SEI INVESTMENTS CO 2.4% 888,047 +7.2% 0.03% $34,385,139
GEODE CAPITAL MANAGEMENT, LLC 2.2% 836,439 -4.1% 0% $32,392,865
ROYCE & ASSOCIATES LP 2.1% 792,834 +50% 0.31% $30,698,532
MORGAN STANLEY 2.1% 776,975 +74% 0% $30,084,574
JACOBS LEVY EQUITY MANAGEMENT, INC 2% 748,002 -13% 0.11% $28,962,637
River Road Asset Management, LLC 1.9% 729,239 -4.7% 0.31% $28,236,134
DIMENSIONAL FUND ADVISORS LP 1.8% 671,877 -3.7% 0.01% $26,015,471
AQR CAPITAL MANAGEMENT LLC 1.3% 483,085 +290% 0.01% $18,598,784
CITADEL ADVISORS LLC 1.3% 482,145 +306% 0.01% $18,668,654
VOLORIDGE INVESTMENT MANAGEMENT, LLC 1.2% 457,362 +26% 0.06% $17,709,057
NORTHERN TRUST CORP 1% 374,516 -17% 0% $14,501,260
TWO SIGMA INVESTMENTS, LP 0.99% 372,976 -21% 0.02% $14,441,631
TWO SIGMA ADVISERS, LP 0.85% 317,880 +69% 0.02% $12,308,314
Nuveen, LLC 0.74% 276,901 +1.9% 0% $10,721,606

Institutional Holders of INSPERITY, INC. - Common Stock (NSP) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q1 3,338,783 $90,186,516 +$5,281,653 $27.04 33
2025 Q4 39,497,098 $1,529,495,539 +$65,410,197 $38.72 264
2025 Q3 37,450,510 $1,841,363,889 +$3,844,072 $49.20 274
2025 Q2 37,056,752 $2,226,709,011 -$32,635,969 $60.12 283
2025 Q1 36,799,236 $3,278,442,427 +$25,421,139 $89.23 316
2024 Q4 36,568,666 $2,834,504,088 +$53,165,108 $77.51 288
2024 Q3 35,526,372 $3,126,131,005 +$8,637,099 $88.00 306
2024 Q2 35,315,519 $3,221,472,101 +$9,489,268 $91.21 323
2024 Q1 35,187,212 $3,856,976,528 +$67,713,814 $109.61 320
2023 Q4 34,533,578 $4,047,226,801 +$43,652,439 $117.22 331
2023 Q3 34,113,638 $3,329,483,036 -$107,525,773 $97.60 320
2023 Q2 35,093,017 $4,174,519,896 +$54,657,830 $118.96 329
2023 Q1 34,645,165 $4,210,150,333 +$75,432,372 $121.55 331
2022 Q4 34,068,267 $3,869,922,627 -$50,469,297 $113.60 315
2022 Q3 34,544,934 $3,523,416,345 +$22,686,818 $102.09 279
2022 Q2 34,229,131 $3,416,016,900 +$51,342,026 $99.83 282
2022 Q1 33,821,719 $3,396,613,450 +$37,107,568 $100.42 261
2021 Q4 33,316,977 $3,933,000,513 -$109,397,153 $118.11 277
2021 Q3 34,196,117 $3,786,390,541 +$39,608,131 $110.74 265
2021 Q2 33,916,550 $3,066,760,445 +$40,974,160 $90.37 270
2021 Q1 33,535,212 $2,809,825,907 +$19,072,031 $83.74 281
2020 Q4 33,286,403 $2,710,229,486 +$30,058,881 $81.42 287
2020 Q3 32,813,938 $2,152,600,646 -$53,904,381 $65.49 251
2020 Q2 33,713,789 $2,181,293,128 +$16,003,010 $64.73 241
2020 Q1 33,918,138 $1,264,835,701 -$231,657,251 $37.30 228
2019 Q4 34,856,070 $3,000,837,252 +$65,270,386 $86.04 267
2019 Q3 33,766,558 $3,329,066,538 -$106,707,555 $98.62 315
2019 Q2 34,657,714 $4,227,941,905 +$182,549,081 $122.14 324
2019 Q1 34,121,225 $4,216,273,944 +$136,623,252 $123.66 334
2018 Q4 33,111,050 $3,090,087,429 -$262,993,512 $93.36 312
2018 Q3 35,631,976 $4,200,974,020 +$85,736,730 $117.95 302
2018 Q2 35,115,986 $3,344,035,990 +$64,341,787 $95.25 291
2018 Q1 34,965,751 $2,431,502,904 +$31,370,408 $69.55 264
2017 Q4 34,748,630 $1,992,502,014 +$999,333,005 $57.35 245
2017 Q3 17,198,339 $1,512,887,361 +$24,415,916 $88.00 216
2017 Q2 16,978,960 $1,205,827,001 -$40,662,294 $71.00 217
2017 Q1 17,421,979 $1,543,383,323 +$231,607,304 $88.65 218
2016 Q4 17,326,494 $1,229,725,889 -$50,096,058 $70.95 216
2016 Q3 17,948,259 $1,303,045,888 +$11,501,619 $72.64 206
2016 Q2 17,773,048 $1,372,403,185 -$8,322,275 $77.23 213
2016 Q1 17,877,407 $924,666,632 -$141,465,097 $51.73 180
2015 Q4 20,717,940 $997,565,593 -$13,267,795 $48.15 181
2015 Q3 20,640,864 $906,032,272 -$5,170,475 $43.93 177
2015 Q2 20,658,799 $1,051,802,869 -$6,575,164 $50.90 186
2015 Q1 20,772,372 $1,085,318,624 +$113,941,535 $52.29 168
2014 Q4 20,349,048 $689,621,943 -$2,425,339 $33.89 132
2014 Q3 20,650,568 $568,351,899 -$16,664,345 $27.34 123
2014 Q2 21,159,091 $698,253,451 +$3,908,121 $33.00 125
2014 Q1 21,054,980 $652,309,164 -$21,035,660 $30.98 129