SPRO icon

Spero Therapeutics
SPRO

Overview Fund Activity

37 hedge funds and large institutions have $91.2M invested in Spero Therapeutics in 2017 Q4 according to their latest regulatory filings, with 37 funds opening new positions, increasing their positions, reducing their positions, and closing their positions.

Holders
37
Holders Change
+37
Holders Change %
–
% of All Funds
0.84%
Holding in Top 10
2
Holding in Top 10 Change
+2
Holding in Top 10 Change %
%
% of All Funds
0.05%
New
37
Increased
–
Reduced
–
Closed
–
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
AVAI
1
Atlas Venture Associates IX
Massachusetts
$16.2M
2
RCM
2
RA Capital Management
Massachusetts
$14.4M
3
AI
3
Alphabet Inc
California
$13.1M
4
BI
4
BVF Inc
California
$12.1M
5
Fidelity Investments
5
Fidelity Investments
Massachusetts
$9.4M

Top Sellers

No sellers this quarter
Name Market Value Shares Shares
Change 		Shares
Change %
AVAI
1
Atlas Venture Associates IX
Massachusetts
$16.2M 1,376,968 +1,376,968 New
RCM
2
RA Capital Management
Massachusetts
$14.4M 1,225,647 +1,225,647 New
AI
3
Alphabet Inc
California
$13.1M 1,112,473 +1,112,473 New
BI
4
BVF Inc
California
$12.1M 1,029,185 +1,029,185 New
Fidelity Investments
5
Fidelity Investments
Massachusetts
$9.4M 800,000 +800,000 New
RSCM
6
Rock Springs Capital Management
Maryland
$6.17M 525,000 +525,000 New
VMI
7
VHCP Management II
New York
$5.71M 485,615 +485,615 New
AG
8
Artal Group
Luxembourg
$4.11M 350,000 +350,000 New
AIC
9
AWM Investment Company
New York
$4.11M 350,000 +350,000 New
BlackRock
10
BlackRock
New York
$2.83M 240,874 +240,874 New
Northern Trust
11
Northern Trust
Illinois
$765K 65,125 +65,125 New
Vanguard Group
12
Vanguard Group
Pennsylvania
$534K 45,489 +45,489 New
ECM
13
Endurant Capital Management
California
$365K 31,100 +31,100 New
California Public Employees Retirement System
14
California Public Employees Retirement System
California
$294K 25,000 +25,000 New
LCM
15
Laurion Capital Management
New York
$170K 14,500 +14,500 New
Deutsche Bank
16
Deutsche Bank
Germany
$155K 13,293 +13,293 New
Morgan Stanley
17
Morgan Stanley
New York
$124K 10,553 +10,553 New
DIM
18
DC Investments Management
Virginia
$118K 10,039 +10,039 New
California State Teachers Retirement System (CalSTRS)
19
California State Teachers Retirement System (CalSTRS)
California
$112K 9,511 +9,511 New
TCIM
20
TIAA CREF Investment Management
New York
$103K 8,806 +8,806 New
TA
21
Teachers Advisors
New York
$81K 6,931 +6,931 New
DCM
22
DAFNA Capital Management
California
$59K 5,000 +5,000 New
AIG
23
American International Group
New York
$48K 4,063 +4,063 New
TRCT
24
Tower Research Capital (TRC)
New York
$24K 2,089 +2,089 New
SO
25
STRS Ohio
Ohio
$19K 1,700 +1,700 New
1
2