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Spero Therapeutics

88 hedge funds and large institutions have $244M invested in Spero Therapeutics in 2021 Q2 according to their latest regulatory filings, with 14 funds opening new positions, 28 increasing their positions, 21 reducing their positions, and 20 closing their positions.

Holders
88
Holders Change
-6
Holders Change %
-6.38%
% of All Funds
1.54%
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.03%
New
14
Increased
28
Reduced
21
Closed
20
Calls
$1.31M
Puts
$711K
Net Calls
+$598K
Net Calls Change
+$1.29M
Name Market Value Shares Shares
Change
Shares
Change %
Susquehanna International Group
26
Susquehanna International Group
Pennsylvania
$579K 41,458 -27,725 -40%
Wells Fargo
27
Wells Fargo
California
$556K 39,847 +21,927 +122%
Citigroup
28
Citigroup
New York
$549K 39,330 -46,618 -54%
DADC
29
D.A. Davidson & Co
Montana
$475K 34,000 +500 +1%
California State Teachers Retirement System (CalSTRS)
30
California State Teachers Retirement System (CalSTRS)
California
$467K 33,446 +2,523 +8%
PPA
31
Parametric Portfolio Associates
Washington
$418K 29,947 -1,490 -5%
IA
32
IndexIQ Advisors
New York
$384K 27,484 -1,984 -7%
Rafferty Asset Management
33
Rafferty Asset Management
New York
$334K 23,898 -45,065 -65%
Janney Montgomery Scott
34
Janney Montgomery Scott
Pennsylvania
$328K 23,500 +8,500 +57%
RhumbLine Advisers
35
RhumbLine Advisers
Massachusetts
$259K 18,565 +126 +0.7%
GG
36
Gofen & Glossberg
Illinois
$244K 17,500
Russell Investments Group
37
Russell Investments Group
United Kingdom
$241K 17,369 -31,798 -65%
Manulife (Manufacturers Life Insurance)
38
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$223K 15,941 +2,484 +18%
Deutsche Bank
39
Deutsche Bank
Germany
$213K 15,215 +1,262 +9%
AllianceBernstein
40
AllianceBernstein
Tennessee
$199K 14,234 +3,400 +31%
SGI
41
Summit Global Investments
Utah
$183K 13,100 +13,100 New
Citadel Advisors
42
Citadel Advisors
Florida
$165K 11,812 -8,268 -41%
ProShare Advisors
43
ProShare Advisors
Maryland
$162K 11,608 +11,608 New
State Board of Administration of Florida Retirement System
44
State Board of Administration of Florida Retirement System
Florida
$154K 11,007 +11,007 New
ECM
45
ExodusPoint Capital Management
New York
$153K 10,933 +10,933 New
Osaic Holdings
46
Osaic Holdings
Arizona
$143K 10,063 -32,150 -76%
VOYA Investment Management
47
VOYA Investment Management
Georgia
$141K 10,124 +10,124 New
RCM
48
Radnor Capital Management
Pennsylvania
$140K 10,000
MIM
49
MetLife Investment Management
New Jersey
$139K 9,977 +7,949 +392%
TRCT
50
Tower Research Capital (TRC)
New York
$117K 8,384 +5,238 +166%