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GRDN

Guardian Pharmacy Services
GRDN

112 hedge funds and large institutions have $517M invested in Guardian Pharmacy Services in 2025 Q3 according to their latest regulatory filings, with 23 funds opening new positions, 56 increasing their positions, 23 reducing their positions, and 16 closing their positions.

New
Increased
Maintained
Reduced
Closed

143% more repeat investments, than reductions

Existing positions increased: 56 | Existing positions reduced: 23

44% more first-time investments, than exits

New positions opened: 23 | Existing positions closed: 16

34% more capital invested

Capital invested by funds: $388M → $517M (+$130M)

7% more funds holding

Funds holding: 105 → 112 (+7)

6.5% more ownership

Funds ownership: 80.06% → 86.57% (+6.5%)

Holders
112
Holders Change
+7
Holders Change %
+6.67%
% of All Funds
1.47%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
23
Increased
56
Reduced
23
Closed
16
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
VCM
Valiant Capital Management
California
+$25.4M
2
Boston Partners
Boston Partners
Massachusetts
+$20.1M
3
BlackRock
BlackRock
New York
+$15.2M
4
Millennium Management
Millennium Management
New York
+$7.16M
5
ACB
Aristotle Capital Boston
Massachusetts
+$5.71M

Top Sellers

Rank Fund Capital Flow
1
JGC
J. Goldman & Co
New York
-$26.9M
2
Alyeska Investment Group
Alyeska Investment Group
Illinois
-$13.6M
3
PCM
Penn Capital Management
Pennsylvania
-$12.3M
4
New York State Common Retirement Fund
New York State Common Retirement Fund
New York
-$8.28M
5
Citadel Advisors
Citadel Advisors
Florida
-$5.76M
Name Holding Trade Value Shares
Change 		Change in
Stake
Walleye Capital
26
Walleye Capital
New York
$4.91M +$2.32M +97,305 +108%
Two Sigma Investments
27
Two Sigma Investments
New York
$4.64M +$2.34M +98,013 +125%
Northern Trust
28
Northern Trust
Illinois
$4.38M +$1.39M +58,125 +53%
Morgan Stanley
29
Morgan Stanley
New York
$4.17M +$3M +125,908 +382%
Renaissance Technologies
30
Renaissance Technologies
New York
$3.85M +$2.62M +109,900 +299%
Marshall Wace
31
Marshall Wace
United Kingdom
$3.67M +$2.97M +124,455 +806%
CA
32
CSM Advisors
Pennsylvania
$3.56M +$938K +39,360 +41%
Goldman Sachs
33
Goldman Sachs
New York
$3.52M +$2.78M +116,483 +662%
SGM
34
Seven Grand Managers
New York
$2.62M -$2.38M -100,000 -50%
GCM
35
Ghisallo Capital Management
Massachusetts
$2.62M – – –
Qube Research & Technologies (QRT)
36
Qube Research & Technologies (QRT)
United Kingdom
$2.53M +$2.29M +96,285 New
RIM
37
Rakuten Investment Management
Japan
$2.34M +$393K +16,493 New
Citadel Advisors
38
Citadel Advisors
Florida
$2.04M -$5.76M -241,585 -76%
SCM
39
Sterling Capital Management
North Carolina
$1.87M +$408K +17,138 +32%
Jane Street
40
Jane Street
New York
$1.79M +$1.63M +68,328 New
BNP Paribas Financial Markets
41
BNP Paribas Financial Markets
France
$1.7M +$1.51M +63,533 +5,770%
Charles Schwab
42
Charles Schwab
California
$1.59M +$522K +21,897 +57%
KCM
43
Kornitzer Capital Management
Kansas
$1.31M – – –
D.E. Shaw & Co
44
D.E. Shaw & Co
New York
$1.22M +$1.11M +46,548 New
Bank of New York Mellon
45
Bank of New York Mellon
New York
$1.15M +$350K +14,701 +51%
EGM
46
Engineers Gate Manager
New York
$1.1M +$177K +7,409 +22%
Swiss National Bank
47
Swiss National Bank
Switzerland
$981K +$117K +4,900 +15%
UBS Group
48
UBS Group
Switzerland
$964K -$320K -13,412 -27%
QT
49
Quantbot Technologies
New York
$878K +$559K +23,443 +233%
Royal Bank of Canada
50
Royal Bank of Canada
Ontario, Canada
$847K +$727K +30,508 +1,715%
1
2
3 4 5

GRDN Hedge Fund Activity: Q3 2025 in Review

112 of the 7,621 institutional investors tracked by Wall St. Rank reported a position in Guardian Pharmacy Services (GRDN) for Q3 2025, worth a combined $517M — up 34% from $388M a quarter earlier.

Buyers outnumbered sellers: 23 funds opened new GRDN positions and 16 closed out — a net gain of 7 holders — while 56 added to existing stakes and 23 trimmed.

The largest buyer was Valiant Capital Management, opening a new position worth an estimated $25.4M. The largest seller was J. Goldman & Co, cutting an estimated $26.9M.

  • 112 institutional investors held Guardian Pharmacy Services (GRDN) as of Q3 2025, up from 105 in Q2 2025.
  • Funds reported $517M of Guardian Pharmacy Services stock for Q3 2025, up 34% quarter-over-quarter.
  • 23 funds opened new Guardian Pharmacy Services positions in Q3 2025 and 16 closed out, a net change of +7 holders.
  • The largest Guardian Pharmacy Services buyer in Q3 2025 was Valiant Capital Management, an estimated $25.4M added.
  • The largest Guardian Pharmacy Services seller in Q3 2025 was J. Goldman & Co, an estimated $26.9M sold.

Based on aggregated 13F filings for Q3 2025.