A 13F lists the long positions of managers with more than $100M in US stocks. It shows the last day of a quarter and is filed up to 45 days later. Two managers can report the same shares, so totals can count some shares twice.
Institutional owners
The 25 biggest holders
13F data sets, SEC
Holder
Shares
Value
% of company
From Mar 31, 2026
BlackRock, Inc.
31.24M
$56.2M
8.66%
Added +13.7%
STATE STREET CORP
13.45M
$24.2M
3.73%
Added +11.2%
GEODE CAPITAL MANAGEMENT, LLC
10.51M
$32.5M
2.91%
Added +7.9%
MILLENNIUM MANAGEMENT LLC
9.16M
$16.5M
2.54%
Added +221.2%
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
8.31M
$15.0M
2.31%
Added +2.3%
Allspring Global Investments Holdings, LLC
7.99M
$14.1M
2.21%
Added +37.7%
CITADEL ADVISORS LLC
7.89M
$14.2M
2.19%
Reduced -20.2%
Invesco Ltd.
7.02M
$12.6M
1.95%
Reduced -29.4%
GOLDMAN SACHS GROUP INC
5.02M
$9.0M
1.39%
Added +164.0%
JANE STREET GROUP, LLC
4.75M
$8.6M
1.32%
Added +360.5%
HRT FINANCIAL LP
4.48M
$8K
1.24%
Added ×14
RENAISSANCE TECHNOLOGIES LLC
3.91M
$7.0M
1.08%
Reduced -46.8%
Weiss Asset Management LP
3.84M
$6.9M
1.06%
New
VANGUARD CAPITAL MANAGEMENT LLC
3.81M
$6.9M
1.06%
Added +4.4%
MORGAN STANLEY
3.77M
$6.8M
1.05%
Added +191.9%
UBS Group AG
3.17M
$5.7M
0.88%
Reduced -18.6%
NORTHERN TRUST CORP
3.09M
$5.6M
0.86%
Added +6.2%
JPMORGAN CHASE & CO
2.62M
$4.8M
0.73%
Added +184.2%
SUSQUEHANNA INTERNATIONAL GROUP, LLP
2.45M
$4.4M
0.68%
Added +110.1%
Vennlight Capital Management, LP
2.38M
$4.3M
0.66%
New
VANGUARD PORTFOLIO MANAGEMENT LLC
2.20M
$4.0M
0.61%
Added +10.4%
AQR CAPITAL MANAGEMENT LLC
2.14M
$3.8M
0.59%
Added +424.5%
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.
2.09M
$3.8M
0.58%
Reduced -41.0%
VANGUARD FIDUCIARY TRUST CO
1.91M
$3.4M
0.53%
Added +5.7%
BANK OF AMERICA CORP /DE/
1.85M
$3.3M
0.51%
Added +101.5%
Show the other 15 holders
This quarter
Who bought and who sold the most shares
13F, quarter on quarter
Bought the most shares
MILLENNIUM MANAGEMENT LLC +6.31M
HRT FINANCIAL LP +4.16M
Weiss Asset Management LP +3.84M, new
BlackRock, Inc. +3.76M
JANE STREET GROUP, LLC +3.72M
GOLDMAN SACHS GROUP INC +3.12M
MORGAN STANLEY +2.48M
Vennlight Capital Management, LP +2.38M, new
Allspring Global Investments Holdings, LLC +2.19M
AQR CAPITAL MANAGEMENT LLC +1.73M
Sold the most shares
VAN ECK ASSOCIATES CORP -5.19M, sold out
RENAISSANCE TECHNOLOGIES LLC -3.45M
ALGERT GLOBAL LLC -3.03M
Invesco Ltd. -2.93M
Qube Research & Technologies Ltd -2.21M
CITADEL ADVISORS LLC -1.99M
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. -1.46M
UBS Group AG -724K
LAZARD ASSET MANAGEMENT LLC -652K
AMERICAN CENTURY COMPANIES INC -506K, sold out
Superinvestors
Superinvestors holding BTBT
Their latest 13F
None of the followed investors held BTBT in their latest 13F.
More than 5%
13D filings: owners who may push for change
Schedule 13D, last year
Aug 24, 202613D/A15.2%of BTBT's shares
Geney Development Limited and 1 more reporting person · 62.66M shares · event Aug 18, 2026
Item 4, purpose of the transaction: To maintain voting control with management.