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Seres Therapeutics
MCRB

Overview Fund Activity

85 hedge funds and large institutions have $326M invested in Seres Therapeutics in 2017 Q4 according to their latest regulatory filings, with 17 funds opening new positions, 25 increasing their positions, 24 reducing their positions, and 12 closing their positions.

Holders
85
Holders Change
+5
Holders Change %
+6.25%
% of All Funds
1.93%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.02%
New
17
Increased
25
Reduced
24
Closed
12
Calls
$1.07M
Puts
$698K
Net Calls
+$371K
Net Calls Change
+$7.41M

Top Buyers

1
AIM
1
ARK Investment Management
Florida
$16.5M
2
Federated Hermes
2
Federated Hermes
Pennsylvania
$15.2M
3
Renaissance Technologies
3
Renaissance Technologies
New York
$9.24M
4
Jennison Associates
4
Jennison Associates
New York
$2.31M
5
JPMorgan Chase & Co
5
JPMorgan Chase & Co
New York
$5.35M

Top Sellers

1
Capital World Investors
1
Capital World Investors
California
$10.5M
2
T. Rowe Price Associates
2
T. Rowe Price Associates
Maryland
$1.05M
3
AG
3
Artal Group
Luxembourg
$3.04M
4
PA
4
Perceptive Advisors
New York
$0
5
D.E. Shaw & Co
5
D.E. Shaw & Co
New York
$3.86M
Name Market Value Shares Shares
Change 		Shares
Change %
FP
1
Flagship Pioneering
Massachusetts
$129M 12,682,876 – –
Fidelity Investments
2
Fidelity Investments
Massachusetts
$61.6M 6,077,221 +2,625 +0%
BlackRock
3
BlackRock
New York
$18.8M 1,855,702 -56,286 -3%
AIM
4
ARK Investment Management
Florida
$16.5M 1,625,501 +732,579 +82%
Vanguard Group
5
Vanguard Group
Pennsylvania
$15.8M 1,554,567 -108,806 -7%
Federated Hermes
6
Federated Hermes
Pennsylvania
$15.2M 1,496,457 +717,451 +92%
Capital World Investors
7
Capital World Investors
California
$10.5M 1,039,810 -406,505 -28%
Renaissance Technologies
8
Renaissance Technologies
New York
$9.24M 911,200 +298,300 +49%
JPMorgan Chase & Co
9
JPMorgan Chase & Co
New York
$5.35M 527,812 +154,478 +41%
D.E. Shaw & Co
10
D.E. Shaw & Co
New York
$3.86M 380,433 -168,315 -31%
State Street
11
State Street
Massachusetts
$3.67M 362,102 +17,497 +5%
AG
12
Artal Group
Luxembourg
$3.04M 300,000 -250,000 -45%
Millennium Management
13
Millennium Management
New York
$3M 295,675 +84,936 +40%
Northern Trust
14
Northern Trust
Illinois
$2.36M 232,522 -4,972 -2%
Jennison Associates
15
Jennison Associates
New York
$2.31M 227,586 +227,586 New
Deutsche Bank
16
Deutsche Bank
Germany
$2.3M 227,190 +134,874 +146%
RSCM
17
Rock Springs Capital Management
Maryland
$2.23M 220,000 – –
O
18
OrbiMed
New York
$2.23M 219,458 – –
Geode Capital Management
19
Geode Capital Management
Massachusetts
$2.12M 209,395 +38,113 +22%
Citadel Advisors
20
Citadel Advisors
Florida
$1.4M 137,664 +137,664 New
Morgan Stanley
21
Morgan Stanley
New York
$1.1M 108,623 +58,590 +117%
T. Rowe Price Associates
22
T. Rowe Price Associates
Maryland
$1.05M 103,061 -324,662 -76%
Charles Schwab
23
Charles Schwab
California
$969K 95,534 -7,752 -8%
Jacobs Levy Equity Management
24
Jacobs Levy Equity Management
New Jersey
$905K 89,218 +89,218 New
Bank of New York Mellon
25
Bank of New York Mellon
New York
$842K 83,090 -1,406 -2%
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