Ticker · CUSIP 87357P100

TCMD

TACTILE SYS TECHNOLOGY INC

Healthcare·Medical Devices

···Share

Holders (tracked)

Combined shares

844,421

Combined value

$24.49M

Last close

$25.73

Quarter

2025Q4

Price is -11.3% vs the avg quarter-end implied price across tracked holders.

Price · 1Y$25.73+12.40 (+93.02%)H $33.05 · L $9.42 · Avg Vol 320K

Tracked holders · last 8 quarters

+2 vs previous quarter over the last 8.

SEC event timeline

14 events

Ken Griffin (Citadel Advisors) opened position2026-02-17
+53,577 shares · 2025Q4
Position
Two Sigma Investments opened position2026-02-17
+16,520 shares · 2025Q4
Position
D.E. Shaw & Co. added2026-02-17
+46,375 shares · 2025Q4
Position
AQR Capital Management trimmed2026-02-17
−97,185 shares · 2025Q4
Position
Izzy Englander (Millennium Mgmt) added2026-02-17
+3,606 shares · 2025Q4
Position
T. Rowe Price added2026-02-17
+1,215 shares · 2025Q4
Position
Renaissance Technologies added2026-02-12
+21,100 shares · 2025Q4
Position
AQR Capital Management added2025-11-14
+25,820 shares · 2025Q3
Position
Izzy Englander (Millennium Mgmt) trimmed2025-11-14
−123,314 shares · 2025Q3
Position
Two Sigma Investments exited2025-11-14
−12,022 shares · 2025Q3
Position
D.E. Shaw & Co. added2025-11-14
+73,883 shares · 2025Q3
Position
T. Rowe Price added2025-11-14
+1,254 shares · 2025Q3
Position
Renaissance Technologies trimmed2025-11-13
−800 shares · 2025Q3
Position
Norges Bank (Norway SWF) exited2025-11-13
−144,400 shares · 2025Q3
Position

Insider activity

No insider transactions in the last 30 days.

View full insider history for TCMD →

Follow-the-investor returns

If you'd copied each holder of TCMD…

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
AQR Capital Management	2018Q1	$11.62	+121.5%	$2.0M
Renaissance Technologies	2017Q1	$14.28	+80.2%	$9.9M
Two Sigma Investments	2017Q1	$17.03	+51.0%	$425K
Izzy Englander (Millennium Mgmt)	2016Q3	$17.51	+47.0%	$1.0M
D.E. Shaw & Co.	2017Q2	$17.78	+44.8%	$4.5M
T. Rowe Price	2017Q4	$23.17	+11.1%	$616K
Ken Griffin (Citadel Advisors)	2017Q3	$24.57	+4.7%	$1.3M
Ken Griffin (Citadel Advisors)	2017Q3	$24.57	+4.7%	$1.3M
Ken Griffin (Citadel Advisors)	2017Q3	$24.57	+4.7%	$1.3M

Who moved on this name in 2025Q4

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

New positions2

Ken Griffin (Citadel Advisors)
+53,577
$1.6M
Two Sigma Investments
+16,520
$479K

Added to4

D.E. Shaw & Co.
+46,375
$1.3M
Renaissance Technologies
+21,100
$612K
Izzy Englander (Millennium Mgmt)
+3,606
$105K
T. Rowe Price
+1,215
$35

Trimmed1

AQR Capital Management
−97,185
$2.8M

Exited0

—

Institutional ownership over time

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

Quarter	Holders	Shares	Combined value	Δ holders
2022Q1	10	5,590,817	$4.00B	—
2022Q2	12	5,686,748	$1.07B	+2
2022Q3	9	5,817,098	$45.3M	-3
2022Q4	10	5,274,382	$60.6M	+1
2023Q1	14	4,018,890	$66.0M	+4
2023Q2	13	3,472,681	$86.6M	-1
2023Q3	13	3,824,939	$53.7M	—
2023Q4	8	3,267,790	$46.7M	-5
2024Q1	10	3,199,197	$52.0M	+2
2024Q2	10	3,430,219	$41.0M	—
2024Q3	9	916,064	$13.4M	-1
2024Q4	10	1,160,234	$19.9M	+1
2025Q1	9	962,451	$12.7M	-1
2025Q2	9	982,692	$10.0M	—
2025Q3	7	835,513	$11.6M	-2
2025Q4	9	844,421	$24.5M	+2

Who owns TCMD

9 super-investors · 2025Q4

Tracked stake

844.4K

Combined value

$24M

% of shares outstanding

—

shares-out unknown

Quarter action mix

New4Added4Trim1

#	Manager	Shares	Value	% of book	Last action
1	Renaissance Technologies	386.3K	$11M	0.0%	Added+21.1K
2	D.E. Shaw & Co.	173.8K	$5M	0.0%	Added+46.4K
3	AQR Capital Management	78.3K	$2M	0.0%	Trim−97.2K
4	Ken Griffin Citadel Advisors	53.6K	$2M	0.0%	New+53.6K
5	Ken Griffin Citadel Advisors	49.6K	$1M	0.0%	New+53.6K
6	Izzy Englander Millennium Mgmt	40.3K	$1M	0.0%	Added+3.6K
7	T. Rowe Price	24.0K	$695K	0.0%	Added+1.2K
8	Ken Griffin Citadel Advisors	22.0K	$638K	0.0%	New+53.6K
9	Two Sigma Investments	16.5K	$479K	0.0%	New+16.5K

Recent moves

20 transactions

NEWKen Griffin (Citadel Advisors)
+53,577 · 2025Q4
ADDIzzy Englander (Millennium Mgmt)
+3,606 · 2025Q4
TRIMAQR Capital Management
−97,185 · 2025Q4
NEWTwo Sigma Investments
+16,520 · 2025Q4
ADDD.E. Shaw & Co.
+46,375 · 2025Q4
ADDT. Rowe Price
+1,215 · 2025Q4
ADDRenaissance Technologies
+21,100 · 2025Q4
ADDT. Rowe Price
+1,254 · 2025Q3
SOLDTwo Sigma Investments
−12,022 · 2025Q3
TRIMIzzy Englander (Millennium Mgmt)
−123,314 · 2025Q3
ADDAQR Capital Management
+25,820 · 2025Q3
ADDD.E. Shaw & Co.
+73,883 · 2025Q3
SOLDNorges Bank (Norway SWF)
−144,400 · 2025Q3
TRIMRenaissance Technologies
−800 · 2025Q3
ADDT. Rowe Price
+848 · 2025Q2
TRIMTwo Sigma Investments
−47,256 · 2025Q2
TRIMIzzy Englander (Millennium Mgmt)
−18,382 · 2025Q2
TRIMD.E. Shaw & Co.
−4,853 · 2025Q2
TRIMAQR Capital Management
−16,903 · 2025Q2
ADDRenaissance Technologies
+1,900 · 2025Q2

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