ARKK icon

ARK Innovation ETF
ARKK

Overview Fund Activity

547 hedge funds and large institutions have $2.35B invested in ARK Innovation ETF in 2025 Q1 according to their latest regulatory filings, with 55 funds opening new positions, 116 increasing their positions, 243 reducing their positions, and 95 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
547
Holders Change
-55
Holders Change %
-9.14%
% of All Funds
7.43%
Holding in Top 10
6
Holding in Top 10 Change
-4
Holding in Top 10 Change %
-40%
% of All Funds
0.08%
New
55
Increased
116
Reduced
243
Closed
95
Calls
$1.3B
Puts
$908M
Net Calls
+$390M
Net Calls Change
+$512M

Top Buyers

1
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
$185M
2
Wells Fargo
Wells Fargo
California
$121M
3
Citadel Advisors
Citadel Advisors
Florida
$38M
4
D.E. Shaw & Co
D.E. Shaw & Co
New York
$28.4M
5
Walleye Trading
Walleye Trading
New York
$28.2M

Top Sellers

1
WA
Whipplewood Advisors
Colorado
$1.86M
2
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$0
3
UBS Group
UBS Group
Switzerland
$85M
4
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT)
United Kingdom
$4.97M
5
Goldman Sachs
Goldman Sachs
New York
$207M
Name Holding Trade Value Shares
Change 		Shares
Change %
TRCT
551
Tower Research Capital (TRC)
New York
– -$5.99M -105,582 Closed
GS
552
GTS Securities
New York
– -$5.63M -99,094 Closed
Simplex Trading
553
Simplex Trading
Illinois
– -$4.93M -86,790 Closed
ORAM
554
One River Asset Management
Connecticut
– -$4.66M -80,582 Closed
SB
555
SIG Brokerage
New York
– -$3M -52,798 Closed
SWIG
556
Strategic Wealth Investment Group
Kentucky
– -$2.58M -45,428 Closed
CCMG
557
Clark Capital Management Group
Pennsylvania
– -$2.3M -40,495 Closed
PCM
558
Prelude Capital Management
New York
– -$1.29M -22,720 Closed
SFS
559
Sowell Financial Services
Arkansas
– -$1.24M -21,773 Closed
TSS
560
Two Sigma Securities
New York
– -$1.23M -21,672 Closed
FTUS
561
Flow Traders U.S.
New York
– -$1.2M -21,118 Closed
EF
562
Empowered Funds
Pennsylvania
– -$1.15M -20,244 Closed
JRFS
563
James Reed Financial Services
Ohio
– -$1.04M -18,262 Closed
MTIM
564
Marathon Trading Investment Management
Pennsylvania
– -$1M -17,678 Closed
SFC
565
Strategic Financial Concepts
Texas
– -$908K -15,999 Closed
GSC
566
Ground Swell Capital
South Carolina
– -$816K -14,373 Closed
RGF
567
Retirement Guys Formula
Ohio
– -$815K -14,357 Closed
PAS
568
Park Avenue Securities
New York
– -$756K -13,321 Closed
CWA
569
Clarus Wealth Advisors
Arizona
– -$697K -12,291 Closed
CP
570
Castleview Partners
Texas
– -$697K -12,244 Closed
EF
571
Empirical Finance
Pennsylvania
– -$684K -12,044 Closed
IAA
572
Independent Advisor Alliance
North Carolina
– -$591K -10,405 Closed
Two Sigma Investments
573
Two Sigma Investments
New York
– -$573K -10,100 Closed
CC
574
Climber Capital
Switzerland
– -$428K -7,802 Closed
WAM
575
Weiss Asset Management
Massachusetts
– -$439K -7,731 Closed
21 22
23
24 25