Filing Research
13F - Institutional holdings explorer
All securities
Managers
Securities
Contact
Snapshot holdings
2026-06-30
2026-03-31
2025-12-31
2025-09-30
2025-06-30
2025-03-31
2024-12-31
2024-09-30
2024-06-30
2024-03-31
2023-12-31
2023-09-30
2023-06-30
2023-03-31
2022-12-31
2022-09-30
2022-06-30
2022-03-31
2021-12-31
2021-09-30
2021-06-30
2021-03-31
2020-12-31
2020-09-30
2020-06-30
2020-03-31
2019-12-31
2019-09-30
2019-06-30
2019-03-31
2018-12-31
2018-09-30
2018-06-30
2018-03-31
2017-12-31
2017-09-30
2017-06-30
2017-03-31
2016-12-31
2016-09-30
2016-06-30
2016-03-31
2015-12-31
2015-09-30
2015-06-30
2015-03-31
2014-12-31
2014-09-30
2014-06-30
2014-03-31
2013-12-31
2013-09-30
2013-06-30
2013-03-31
2012-12-31
2012-09-30
2012-06-30
2012-03-31
2011-12-31
2011-09-30
2011-08-15
2011-08-11
2011-08-10
2011-08-08
2011-08-04
2011-08-03
2011-07-29
2011-07-24
2011-07-07
2011-06-30
2011-05-13
2011-05-12
2011-05-06
2011-05-05
2011-04-25
2011-03-31
2011-03-30
2011-03-21
2011-03-11
2011-03-03
2011-02-28
2011-02-11
2011-02-10
2011-02-09
2011-02-07
2011-01-31
2011-01-25
2010-12-31
2010-12-30
2010-12-03
2010-11-12
2010-11-11
2010-11-10
2010-11-09
2010-10-31
2010-10-29
2010-10-28
2010-10-20
2010-10-15
2010-09-30
2010-09-07
2010-08-13
2010-08-12
2010-08-11
2010-07-31
2010-07-30
2010-07-22
2010-07-16
2010-06-30
2010-06-07
2010-06-03
2010-05-31
2010-05-14
2010-05-10
2010-05-07
2010-04-30
2010-04-15
2010-04-08
2010-03-31
2010-03-30
2010-03-12
2010-03-10
2010-02-16
2010-02-12
2010-02-11
2010-02-10
2010-02-04
2010-01-31
2009-12-31
2009-12-30
2009-11-13
2009-11-12
2009-11-09
2009-10-31
2009-10-30
2009-10-01
2009-09-30
2009-09-09
2009-09-03
2009-08-30
2009-08-07
2009-07-31
2009-07-30
2009-06-30
2009-06-23
2009-06-03
2009-05-15
2009-05-13
2009-04-30
2009-04-07
2009-03-31
2009-03-30
2009-03-29
2009-03-21
2009-03-11
2009-03-03
2009-02-12
2009-02-10
2009-02-09
2009-01-30
2009-01-20
2009-01-16
2009-01-14
2008-12-31
2008-12-30
2008-12-29
2008-12-21
2008-11-14
2008-10-31
2008-10-27
2008-10-19
2008-10-07
2008-10-01
2008-09-30
2008-09-20
2008-09-03
2008-08-31
2008-08-30
2008-08-21
2008-08-15
2008-08-12
2008-08-11
2008-07-31
2008-07-28
2008-07-16
2008-07-01
2008-06-30
2008-06-20
2008-06-03
2008-05-31
2008-05-30
2008-05-15
2008-05-14
2008-04-09
2008-03-31
2008-03-30
2008-03-15
2008-03-08
2008-03-03
2008-03-01
2008-02-14
2008-02-04
2008-01-31
2008-01-09
2008-01-01
2007-12-31
2007-12-30
2007-12-21
2007-12-13
2007-11-20
2007-11-14
2007-11-05
2007-10-31
2007-10-23
2007-10-17
2007-10-02
2007-09-30
2007-09-29
2007-09-28
2007-09-03
2007-08-31
2007-08-30
2007-08-22
2007-08-14
2007-08-13
2007-08-10
2007-08-09
2007-07-31
2007-07-30
2007-07-27
2007-07-09
2007-07-02
2007-06-30
2007-06-29
2007-06-20
2007-05-14
2007-05-08
2007-04-30
2007-04-25
2007-04-20
2007-04-17
2007-04-02
2007-03-31
2007-03-30
2007-03-25
2007-03-05
2007-03-01
2007-02-28
2007-02-15
2007-02-13
2007-02-01
2007-01-31
2007-01-29
2007-01-01
2006-12-31
2006-12-30
2006-12-29
2006-11-14
2006-11-07
2006-10-31
2006-10-30
2006-10-26
2006-10-25
2006-10-17
2006-09-30
2006-09-29
2006-09-20
2006-08-15
2006-08-14
2006-07-31
2006-07-28
2006-07-02
2006-06-30
2006-06-29
2006-06-20
2006-06-06
2006-06-03
2006-05-30
2006-05-25
2006-05-16
2006-05-12
2006-05-03
2006-04-30
2006-04-27
2006-04-17
2006-04-07
2006-03-31
2006-03-30
2006-03-21
2006-03-13
2006-03-03
2006-02-14
2006-02-13
2006-02-09
2006-01-27
2006-01-06
2006-01-01
2005-12-31
2005-12-30
2005-12-25
2005-12-21
2005-11-14
2005-11-10
2005-11-07
2005-10-31
2005-10-19
2005-10-01
2005-09-30
2005-09-03
2005-08-15
2005-08-12
2005-08-11
2005-07-31
2005-07-30
2005-07-01
2005-06-30
2005-06-29
2005-06-03
2005-05-31
2005-05-13
2005-04-30
2005-04-18
2005-04-15
2005-04-01
2005-03-31
2005-03-30
2005-03-29
2005-03-25
2005-03-21
2005-02-14
2005-02-11
2005-02-03
2005-01-31
2004-12-31
2004-12-30
2004-12-21
2004-12-13
2004-12-10
2004-11-24
2004-11-19
2004-11-12
2004-11-09
2004-10-28
2004-10-27
2004-10-15
2004-10-03
2004-10-01
2004-09-30
2004-09-25
2004-09-20
2004-09-04
2004-09-03
2004-08-20
2004-08-18
2004-08-16
2004-08-13
2004-08-12
2004-08-10
2004-07-31
2004-07-30
2004-07-26
2004-07-04
2004-07-01
2004-06-30
2004-06-26
2004-06-20
2004-06-04
2004-06-03
2004-05-30
2004-05-17
2004-05-14
2004-04-30
2004-04-26
2004-04-04
2004-03-31
2004-03-30
2004-03-16
2004-03-15
2004-03-03
2004-02-20
2004-02-17
2004-02-13
2004-02-06
2004-02-03
2004-01-31
2004-01-30
2004-01-15
2003-12-31
2003-12-30
2003-12-21
2003-11-30
2003-11-14
2003-11-13
2003-11-12
2003-10-31
2003-10-30
2003-10-20
2003-09-30
2003-09-28
2003-09-03
2003-08-11
2003-07-31
2003-06-30
2003-06-29
2003-06-03
2003-05-14
2003-05-13
2003-05-09
2003-05-07
2003-04-29
2003-04-25
2003-04-01
2003-03-31
2003-03-30
2003-03-28
2003-03-13
2003-03-03
2003-02-25
2003-02-05
2003-01-29
2003-01-21
2003-01-01
2002-12-31
2002-12-30
2002-11-30
2002-11-13
2002-11-01
2002-10-31
2002-10-15
2002-10-01
2002-09-30
2002-09-29
2002-09-27
2002-09-20
2002-09-10
2002-09-02
2002-09-01
2002-08-30
2002-07-31
2002-07-01
2002-06-30
2002-06-28
2002-06-05
2002-06-03
2002-06-01
2002-05-31
2002-05-15
2002-05-14
2002-04-30
2002-04-23
2002-04-15
2002-04-01
2002-03-31
2002-03-30
2002-03-29
2002-03-28
2002-03-03
2002-03-01
2002-02-15
2002-01-31
2002-01-30
2002-01-02
2002-01-01
2001-12-31
2001-12-30
2001-12-21
2001-12-13
2001-12-01
2001-11-15
2001-11-14
2001-10-31
2001-10-30
2001-10-29
2001-10-01
2001-09-30
2001-09-29
2001-09-28
2001-09-01
2001-08-30
2001-08-13
2001-08-07
2001-07-31
2001-06-30
2001-06-29
2001-06-28
2001-06-20
2001-06-03
2001-06-01
2001-05-31
2001-05-11
2001-05-09
2001-05-04
2001-04-30
2001-04-06
2001-04-01
2001-03-31
2001-03-30
2001-03-29
2001-03-21
2001-03-15
2001-03-14
2001-03-13
2001-03-01
2001-02-14
2001-02-13
2001-02-06
2001-01-31
2001-01-30
2001-01-24
2001-01-16
2001-01-01
2000-12-31
2000-12-30
2000-12-29
2000-11-15
2000-11-09
2000-11-02
2000-10-31
2000-10-30
2000-10-01
2000-09-30
2000-09-29
2000-08-11
2000-07-31
2000-07-30
2000-07-01
2000-06-30
2000-06-22
2000-05-15
2000-05-10
2000-05-01
2000-04-30
2000-04-28
2000-04-25
2000-04-06
2000-04-03
2000-04-01
2000-03-31
2000-03-30
2000-03-21
2000-03-03
2000-02-29
2000-02-22
2000-02-14
2000-02-11
2000-01-27
2000-01-07
1999-12-31
1999-12-30
1999-12-06
1999-11-30
1999-11-15
1999-11-11
1999-10-31
1999-10-12
1999-09-30
1999-09-24
1999-09-01
1999-08-31
1999-08-30
1999-08-20
1999-08-19
1999-08-13
1999-07-31
1999-07-19
1999-07-08
1999-06-30
1999-05-26
1999-05-24
1999-05-14
1999-05-10
1999-04-30
1999-04-29
1999-04-26
1999-04-23
1999-04-15
1999-03-31
1999-03-30
1999-02-28
1999-02-14
1999-01-31
1998-12-31
1998-09-30
1998-06-30
1998-03-31
1998-01-31
1997-12-31
1997-09-30
1997-06-30
1997-03-31
1996-12-31
1996-09-30
1996-06-30
1996-03-31
1995-12-31
1995-09-30
1995-06-30
1995-03-31
1994-12-31
1994-09-30
1994-06-30
1994-03-31
1993-09-30
1993-06-30
1993-03-31
1992-12-31
1987-03-31
6 / 6 loaded
#
Manager
Instrument
quantity
Reported value
1
Assenagon Asset Management S.A.
Shares
18.6K
SH
$41.2K
2
DLK Investment Management, LLC
Shares
31.4K
SH
$40.8K
3
SBI Securities Co., Ltd.
Shares
13
SH
$29
4
Farther Finance Advisors, LLC
Shares
10
SH
$22
5
FNY Investment Advisers, LLC
Shares
8.3K
SH
$18
6
INTERNATIONAL ASSETS INVESTMENT MANAGEMENT, LLC
Shares
0
SH
$0
Manager changes
2026-06-30 vs 2026-03-31
6 / 6 loaded
#
Manager
Instrument
Δ quantity
Δ value
Value (T)
1
DLK Investment Management, LLC
new
Shares
+31.4K
+$40.8K
$40.8K
2
SBI Securities Co., Ltd.
added
Shares
+4
+$8
$29
3
FNY Investment Advisers, LLC
added
Shares
+3.0K
+$6
$18
4
INTERNATIONAL ASSETS INVESTMENT MANAGEMENT, LLC
new
Shares
0
$0
$0
5
Farther Finance Advisors, LLC
unchanged
Shares
0
-$3
$22
6
Assenagon Asset Management S.A.
unchanged
Shares
0
-$2.4K
$41.2K
Filing Research | SPRO - SPERO THERAPEUTICS INC Institutional Holdings
