Ticker · CUSIP 40145W101

GRDN

GUARDIAN PHARMACY SVCS INC

Healthcare·Medical Care Facilities

···Share

Holders (tracked)

Combined shares

1,660,219

Combined value

$49.96M

Last close

$37.54

Quarter

2025Q4

Price is +24.8% vs the avg quarter-end implied price across tracked holders.

Price · 1Y$37.54+13.43 (+55.70%)H $40.65 · L $19.67 · Avg Vol 315K

Position opened

Tracked holders · last 8 quarters

-1 vs previous quarter over the last 6.

SEC event timeline

13 events

Ken Griffin (Citadel Advisors) exited2026-02-17
−77,663 shares · 2025Q4
Position
D.E. Shaw & Co. added2026-02-17
+39,981 shares · 2025Q4
Position
Two Sigma Investments trimmed2026-02-17
−27,210 shares · 2025Q4
Position
Izzy Englander (Millennium Mgmt) trimmed2026-02-17
−174,492 shares · 2025Q4
Position
Wellington Management trimmed2026-02-17
−20,597 shares · 2025Q4
Position
T. Rowe Price added2026-02-17
+1,409 shares · 2025Q4
Position
Renaissance Technologies trimmed2026-02-12
−25,000 shares · 2025Q4
Position
Izzy Englander (Millennium Mgmt) added2025-11-14
+300,587 shares · 2025Q3
Position
Two Sigma Investments added2025-11-14
+98,013 shares · 2025Q3
Position
Wellington Management added2025-11-14
+36,072 shares · 2025Q3
Position
D.E. Shaw & Co. opened position2025-11-14
+46,548 shares · 2025Q3
Position
T. Rowe Price opened position2025-11-14
+10,476 shares · 2025Q3
Position
Renaissance Technologies added2025-11-13
+109,900 shares · 2025Q3
Position

Insider activity

No insider transactions in the last 30 days.

View full insider history for GRDN →

Follow-the-investor returns

If you'd copied each holder of GRDN…

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
Wellington Management	2024Q3	$19.63	+91.2%	$42.2M
Two Sigma Investments	2024Q3	$23.63	+58.9%	$5.6M
Renaissance Technologies	2024Q4	$24.74	+51.8%	$4.6M
Izzy Englander (Millennium Mgmt)	2024Q3	$25.09	+49.6%	$6.3M
T. Rowe Price	2025Q3	$26.71	+40.5%	$446K
D.E. Shaw & Co.	2025Q3	$28.01	+34.0%	$3.2M

Who moved on this name in 2025Q4

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

New positions0

—

Added to2

D.E. Shaw & Co.
+39,981
$1.2M
T. Rowe Price
+1,409
$42

Trimmed4

Izzy Englander (Millennium Mgmt)
−174,492
$5.3M
Two Sigma Investments
−27,210
$819K
Renaissance Technologies
−25,000
$752K
Wellington Management
−20,597
$620K

Exited1

Ken Griffin (Citadel Advisors)
−77,663
$2.0M

Institutional ownership over time

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

Quarter	Holders	Shares	Combined value	Δ holders
2024Q3	4	1,093,251	$18.4M	—
2024Q4	1	141,100	$2.9M	-3
2025Q1	3	629,924	$13.4M	+2
2025Q2	5	1,583,780	$33.8M	+2
2025Q3	7	1,943,791	$51.0M	+2
2025Q4	6	1,660,219	$50.0M	-1

Who owns GRDN

6 super-investors · 2025Q4

Tracked stake

1.66M

Combined value

$50M

% of shares outstanding

—

shares-out unknown

Quarter action mix

Added2Trim4

#	Manager	Shares	Value	% of book	Last action
1	Wellington Management	1.12M	$34M	0.0%	Trim−20.6K
2	Izzy Englander Millennium Mgmt	167.5K	$5M	0.0%	Trim−174.5K
3	Two Sigma Investments	149.5K	$4M	0.0%	Trim−27.2K
4	Renaissance Technologies	121.6K	$4M	0.0%	Trim−25.0K
5	D.E. Shaw & Co.	86.5K	$3M	0.0%	Added+40.0K
6	T. Rowe Price	11.9K	$358K	0.0%	Added+1.4K

Recent moves

20 transactions

SOLDKen Griffin (Citadel Advisors)
−77,663 · 2025Q4
TRIMTwo Sigma Investments
−27,210 · 2025Q4
TRIMIzzy Englander (Millennium Mgmt)
−174,492 · 2025Q4
TRIMWellington Management
−20,597 · 2025Q4
ADDT. Rowe Price
+1,409 · 2025Q4
ADDD.E. Shaw & Co.
+39,981 · 2025Q4
TRIMRenaissance Technologies
−25,000 · 2025Q4
ADDIzzy Englander (Millennium Mgmt)
+300,587 · 2025Q3
NEWD.E. Shaw & Co.
+46,548 · 2025Q3
ADDTwo Sigma Investments
+98,013 · 2025Q3
ADDWellington Management
+36,072 · 2025Q3
NEWT. Rowe Price
+10,476 · 2025Q3
ADDRenaissance Technologies
+109,900 · 2025Q3
NEWTwo Sigma Investments
+78,724 · 2025Q2
TRIMIzzy Englander (Millennium Mgmt)
−19,484 · 2025Q2
ADDWellington Management
+642,733 · 2025Q2
TRIMRenaissance Technologies
−67,365 · 2025Q2
NEWIzzy Englander (Millennium Mgmt)
+60,935 · 2025Q1
TRIMRenaissance Technologies
−37,035 · 2025Q1
NEWWellington Management
+464,924 · 2025Q1

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