Ticker · CUSIP 45778Q107

NSP

INSPERITY INC

Industrials·Staffing & Employment Services

···Share

Holders (tracked)

Combined shares

2,685,864

Combined value

$103.89M

Last close

$28.90

Quarter

2025Q4

Price is -25.3% vs the avg quarter-end implied price across tracked holders.

Price · 1Y$28.90-45.04 (-60.92%)H $74.01 · L $19.90 · Avg Vol 838K

Tracked holders · last 8 quarters

+1 vs previous quarter over the last 8.

SEC event timeline

18 events

Ken Griffin (Citadel Advisors) added2026-02-17
+363,263 shares · 2025Q4
Position
Izzy Englander (Millennium Mgmt) trimmed2026-02-17
−493,467 shares · 2025Q4
Position
T. Rowe Price added2026-02-17
+6,339 shares · 2025Q4
Position
AQR Capital Management added2026-02-17
+359,069 shares · 2025Q4
Position
D.E. Shaw & Co. added2026-02-17
+272,960 shares · 2025Q4
Position
Two Sigma Investments trimmed2026-02-17
−97,844 shares · 2025Q4
Position
Ray Dalio (Bridgewater Associates) opened position2026-02-13
+26,210 shares · 2025Q4
Position
Renaissance Technologies trimmed2026-02-12
−124,300 shares · 2025Q4
Position
Tom Gayner (Markel Group) added2026-02-06
+21,145 shares · 2025Q4
Position
Paul Tudor Jones (Tudor Investment) exited2025-12-09
−129,609 shares · 2025Q3
Position
AQR Capital Management trimmed2025-11-14
−79,730 shares · 2025Q3
Position
Izzy Englander (Millennium Mgmt) added2025-11-14
+142,587 shares · 2025Q3
Position
Two Sigma Investments added2025-11-14
+403,679 shares · 2025Q3
Position
D.E. Shaw & Co. added2025-11-14
+416,754 shares · 2025Q3
Position
T. Rowe Price added2025-11-14
+2,188 shares · 2025Q3
Position
Renaissance Technologies added2025-11-13
+254,100 shares · 2025Q3
Position
Norges Bank (Norway SWF) exited2025-11-13
−448,432 shares · 2025Q3
Position
Norges Bank (Norway SWF) added2025-11-12
+14,135 shares · 2024Q3
Position

Insider activity

No insider transactions in the last 30 days.

View full insider history for NSP →

Follow-the-investor returns

If you'd copied each holder of NSP…

Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.

Investor	First in	Cost basis	Return	Position value today
Ken Griffin (Citadel Advisors)	2016Q3	$39.11	-26.1%	$526K
Ken Griffin (Citadel Advisors)	2016Q3	$39.11	-26.1%	$526K
Ken Griffin (Citadel Advisors)	2016Q3	$39.11	-26.1%	$526K
Ray Dalio (Bridgewater Associates)	2022Q2	$46.79	-38.2%	$757K
D.E. Shaw & Co.	2016Q1	$48.92	-40.9%	$26.0M
Renaissance Technologies	2016Q1	$50.57	-42.9%	$4.0M
Two Sigma Investments	2016Q1	$51.47	-43.8%	$10.8M
AQR Capital Management	2016Q1	$52.24	-44.7%	$14.0M
Izzy Englander (Millennium Mgmt)	2016Q1	$76.01	-62.0%	$1.3M
Tom Gayner (Markel Group)	2024Q1	$80.10	-63.9%	$4.4M
T. Rowe Price	2016Q1	$83.33	-65.3%	$1.2M

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.

New positions1

Ray Dalio (Bridgewater Associates)
+26,210
$1.0M

Added to5

Ken Griffin (Citadel Advisors)
+363,263
$14.1M
AQR Capital Management
+359,069
$13.8M
D.E. Shaw & Co.
+272,960
$10.6M
Tom Gayner (Markel Group)
+21,145
$819K
T. Rowe Price
+6,339
$245

Trimmed3

Izzy Englander (Millennium Mgmt)
−493,467
$19.1M
Renaissance Technologies
−124,300
$4.8M
Two Sigma Investments
−97,844
$3.8M

Exited0

—

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.

Quarter	Holders	Shares	Combined value	Δ holders
2022Q1	13	7,219,206	$32.57B	—
2022Q2	13	7,040,371	$32.31B	—
2022Q3	12	6,979,631	$712.6M	-1
2022Q4	11	7,435,325	$844.6M	-1
2023Q1	12	7,574,569	$920.4M	+1
2023Q2	12	7,322,589	$870.9M	—
2023Q3	12	7,019,105	$685.1M	—
2023Q4	11	6,670,934	$781.6M	-1
2024Q1	12	6,687,013	$732.9M	+1
2024Q2	15	6,478,582	$590.9M	+3
2024Q3	11	1,105,499	$97.2M	-4
2024Q4	11	1,268,849	$98.3M	—
2025Q1	10	966,153	$85.8M	-1
2025Q2	12	1,731,327	$104.0M	+2
2025Q3	10	2,350,889	$115.6M	-2
2025Q4	11	2,685,864	$103.9M	+1

Who owns NSP

11 super-investors · 2025Q4

Tracked stake

2.69M

Combined value

$104M

% of shares outstanding

—

shares-out unknown

Quarter action mix

New1Added7Trim3

#	Manager	Shares	Value	% of book	Last action
1	D.E. Shaw & Co.	899.8K	$35M	0.0%	Added+273.0K
2	Ken Griffin Citadel Advisors	482.1K	$19M	0.0%	Added+363.3K
3	AQR Capital Management	483.1K	$19M	0.0%	Added+359.1K
4	Two Sigma Investments	373.0K	$14M	0.0%	Trim−97.8K
5	Tom Gayner Markel Group	152.9K	$6M	0.0%	Added+21.1K
6	Renaissance Technologies	137.1K	$5M	0.0%	Trim−124.3K
7	Izzy Englander Millennium Mgmt	46.3K	$2M	0.0%	Trim−493.5K
8	T. Rowe Price	42.9K	$2M	0.0%	Added+6.3K
9	Ray Dalio Bridgewater Associates	26.2K	$1M	0.0%	New+26.2K
10	Ken Griffin Citadel Advisors	24.2K	$937K	0.0%	Added+363.3K
11	Ken Griffin Citadel Advisors	18.2K	$705K	0.0%	Added+363.3K

Recent moves

20 transactions

ADDAQR Capital Management
+359,069 · 2025Q4
ADDKen Griffin (Citadel Advisors)
+363,263 · 2025Q4
ADDD.E. Shaw & Co.
+272,960 · 2025Q4
ADDT. Rowe Price
+6,339 · 2025Q4
TRIMIzzy Englander (Millennium Mgmt)
−493,467 · 2025Q4
TRIMTwo Sigma Investments
−97,844 · 2025Q4
NEWRay Dalio (Bridgewater Associates)
+26,210 · 2025Q4
TRIMRenaissance Technologies
−124,300 · 2025Q4
ADDTom Gayner (Markel Group)
+21,145 · 2025Q4
SOLDPaul Tudor Jones (Tudor Investment)
−129,609 · 2025Q3
ADDT. Rowe Price
+2,188 · 2025Q3
ADDD.E. Shaw & Co.
+416,754 · 2025Q3
ADDIzzy Englander (Millennium Mgmt)
+142,587 · 2025Q3
ADDTwo Sigma Investments
+403,679 · 2025Q3
TRIMAQR Capital Management
−79,730 · 2025Q3
ADDRenaissance Technologies
+254,100 · 2025Q3
SOLDNorges Bank (Norway SWF)
−448,432 · 2025Q3
ADDNorges Bank (Norway SWF)
+14,135 · 2024Q3
ADDIzzy Englander (Millennium Mgmt)
+73,298 · 2025Q2
ADDTwo Sigma Investments
+57,687 · 2025Q2

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