Ticker · CUSIP 880345103

TNC

TENNANT CO

Industrials·Specialty Industrial Machinery

···Share

Holders (tracked)

Combined shares

1,241,860

Combined value

$91.53M

Last close

$78.70

Quarter

2025Q4

Price is +6.8% vs the avg quarter-end implied price across tracked holders.

Price · 1Y$78.70+9.87 (+14.34%)H $84.26 · L $60.91 · Avg Vol 153K

Tracked holders · last 8 quarters

+1 vs previous quarter over the last 8.

SEC event timeline

17 events

Ken Griffin (Citadel Advisors) trimmed2026-02-17
−53,632 shares · 2025Q4
Position
Two Sigma Investments trimmed2026-02-17
−23,903 shares · 2025Q4
Position
D.E. Shaw & Co. trimmed2026-02-17
−7,952 shares · 2025Q4
Position
Izzy Englander (Millennium Mgmt) added2026-02-17
+90,611 shares · 2025Q4
Position
Steve Cohen (Point72) opened position2026-02-17
+14,789 shares · 2025Q4
Position
T. Rowe Price added2026-02-17
+1,696 shares · 2025Q4
Position
AQR Capital Management trimmed2026-02-17
−34,620 shares · 2025Q4
Position
Renaissance Technologies added2026-02-12
+41,342 shares · 2025Q4
Position
Mario Gabelli (GAMCO) added2026-02-05
+2,803 shares · 2025Q4
Position
Izzy Englander (Millennium Mgmt) trimmed2025-11-14
−84,026 shares · 2025Q3
Position
T. Rowe Price added2025-11-14
+734 shares · 2025Q3
Position
D.E. Shaw & Co. trimmed2025-11-14
−13,354 shares · 2025Q3
Position
Two Sigma Investments added2025-11-14
+16,714 shares · 2025Q3
Position
AQR Capital Management added2025-11-14
+44,113 shares · 2025Q3
Position
Renaissance Technologies added2025-11-13
+18,157 shares · 2025Q3
Position
Norges Bank (Norway SWF) trimmed2025-11-12
−83,897 shares · 2024Q3
Position
Mario Gabelli (GAMCO) added2025-11-12
+1,593 shares · 2025Q3
Position

Insider activity

Last 30 days

Net (open-market)

Buys

0 · $0

Sells

0 · $0

Unique insiders

Date	Insider	Code	Shares	Price	Value
04-14	Mulligan Donal L Insider	M	3,538	$54.70	$193.5K
04-14	Mulligan Donal L Insider	F	2,456	$78.81	$193.6K

View full insider history for TNC →

Follow-the-investor returns

If you'd copied each holder of TNC…

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
Mario Gabelli (GAMCO)	2016Q1	$58.30	+35.0%	$39.6M
T. Rowe Price	2016Q1	$70.38	+11.8%	$1.7M
Ken Griffin (Citadel Advisors)	2016Q2	$76.73	+2.6%	$3.1M
Ken Griffin (Citadel Advisors)	2016Q2	$76.73	+2.6%	$3.1M
Steve Cohen (Point72)	2023Q1	$78.24	+0.6%	$1.2M
Renaissance Technologies	2016Q1	$79.08	-0.5%	$6.1M
Two Sigma Investments	2016Q1	$79.83	-1.4%	$8.1M
Izzy Englander (Millennium Mgmt)	2016Q1	$80.52	-2.3%	$28.2M
D.E. Shaw & Co.	2016Q1	$80.58	-2.3%	$2.0M
AQR Capital Management	2016Q2	$81.97	-4.0%	$6.4M

Who moved on this name in 2025Q4

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

New positions1

Steve Cohen (Point72)
+14,789
$1.1M

Added to4

Izzy Englander (Millennium Mgmt)
+90,611
$6.7M
Renaissance Technologies
+41,342
$3.0M
Mario Gabelli (GAMCO)
+2,803
$207K
T. Rowe Price
+1,696
$125

Trimmed4

Ken Griffin (Citadel Advisors)
−53,632
$4.0M
AQR Capital Management
−34,620
$2.6M
Two Sigma Investments
−23,903
$1.8M
D.E. Shaw & Co.
−7,952
$586K

Exited0

—

Institutional ownership over time

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

Quarter	Holders	Shares	Combined value	Δ holders
2022Q1	6	3,477,868	$14.93B	—
2022Q2	9	3,608,966	$10.28B	+3
2022Q3	7	3,688,398	$208.6M	-2
2022Q4	10	4,079,680	$251.2M	+3
2023Q1	11	4,057,833	$278.1M	+1
2023Q2	13	4,131,340	$335.1M	+2
2023Q3	12	4,315,718	$320.0M	-1
2023Q4	11	4,413,497	$409.1M	-1
2024Q1	11	4,016,667	$488.5M	—
2024Q2	15	4,092,984	$402.9M	+4
2024Q3	14	994,416	$95.5M	-1
2024Q4	14	1,543,324	$125.8M	—
2025Q1	12	1,201,841	$95.8M	-2
2025Q2	10	1,319,833	$102.3M	-2
2025Q3	9	1,211,126	$98.2M	-1
2025Q4	10	1,241,860	$91.5M	+1

Congress members trading this stock

Date	Member	Type	Amount range	Filing
2025-03-14	Susie Lee	Sell	$1K – $15K	PDF ↗

Who owns TNC

10 super-investors · 2025Q4

Tracked stake

1.24M

Combined value

$92M

% of shares outstanding

—

shares-out unknown

Quarter action mix

New1Added4Trim5

#	Manager	Shares	Value	% of book	Last action
1	Mario Gabelli GAMCO	502.6K	$37M	0.4%	Added+2.8K
2	Izzy Englander Millennium Mgmt	358.5K	$26M	0.0%	Added+90.6K
3	Two Sigma Investments	103.1K	$8M	0.0%	Trim−23.9K
4	AQR Capital Management	81.4K	$6M	0.0%	Trim−34.6K
5	Renaissance Technologies	76.9K	$6M	0.0%	Added+41.3K
6	Ken Griffin Citadel Advisors	40.0K	$3M	0.0%	Trim−53.6K
7	D.E. Shaw & Co.	24.8K	$2M	0.0%	Trim−8.0K
8	T. Rowe Price	21.6K	$2M	0.0%	Added+1.7K
9	Ken Griffin Citadel Advisors	18.2K	$1M	0.0%	Trim−53.6K
10	Steve Cohen Point72	14.8K	$1M	0.0%	New+14.8K

Recent moves

20 transactions

TRIMTwo Sigma Investments
−23,903 · 2025Q4
ADDT. Rowe Price
+1,696 · 2025Q4
TRIMAQR Capital Management
−34,620 · 2025Q4
TRIMKen Griffin (Citadel Advisors)
−53,632 · 2025Q4
ADDIzzy Englander (Millennium Mgmt)
+90,611 · 2025Q4
NEWSteve Cohen (Point72)
+14,789 · 2025Q4
TRIMD.E. Shaw & Co.
−7,952 · 2025Q4
ADDRenaissance Technologies
+41,342 · 2025Q4
ADDMario Gabelli (GAMCO)
+2,803 · 2025Q4
ADDTwo Sigma Investments
+16,714 · 2025Q3
ADDT. Rowe Price
+734 · 2025Q3
TRIMIzzy Englander (Millennium Mgmt)
−84,026 · 2025Q3
ADDAQR Capital Management
+44,113 · 2025Q3
TRIMD.E. Shaw & Co.
−13,354 · 2025Q3
ADDRenaissance Technologies
+18,157 · 2025Q3
TRIMNorges Bank (Norway SWF)
−83,897 · 2024Q3
ADDMario Gabelli (GAMCO)
+1,593 · 2025Q3
SOLDSteve Cohen (Point72)
−5,332 · 2025Q2
ADDIzzy Englander (Millennium Mgmt)
+28,406 · 2025Q2
ADDTwo Sigma Investments
+69,804 · 2025Q2

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