MCRB - Seres Therapeutics, Inc.

NasdaqGS - NasdaqGS Real Time Price. Currency in USD
Major Holders
Insider Roster
Insider Transactions

Major Holders

Currency in USD
Breakdown
17.98%% of Shares Held by All Insider
82.22%% of Shares Held by Institutions
100.25%% of Float Held by Institutions
127Number of Institutions Holding Shares
Direct Holders (Forms 3 and 4)
NameSharesDate Reported
POMERANTZ ROGER324,537Jan 23, 2018
AUNINS JOHN G.198,764Jan 25, 2018
COOK DAVID N139,935Jan 25, 2018
DESROSIER THOMAS6,525Jan 25, 2018
SHAFF ERIC D.5,220Jan 25, 2018
TRUCKSIS MICHELE4,893Jan 25, 2018

Top Institutional Holders

HolderSharesDate Reported% OutValue
Flagship Pioneering Inc.12,682,876Dec 30, 201731.20%130,760,456
FMR, LLC6,077,221Dec 30, 201714.95%62,656,151
Blackrock Inc.1,855,702Dec 30, 20174.57%19,132,288
ARK Investment Management, LLC1,625,501Dec 30, 20174.00%16,758,915
Vanguard Group, Inc. (The)1,554,567Dec 30, 20173.82%16,027,586
Federated Investors, Inc.1,496,457Dec 30, 20173.68%15,428,472
Capital World Investors1,039,810Dec 30, 20172.56%10,720,441
Renaissance Technologies, LLC911,200Dec 30, 20172.24%9,394,472
JP Morgan Chase & Company527,812Dec 30, 20171.30%5,441,741
Shaw D.E. & Co., Inc.380,433Dec 30, 20170.94%3,922,264

Top Mutual Fund Holders

HolderSharesDate Reported% OutValue
Fidelity Growth Company Fund1,143,518Jan 30, 20182.81%12,521,521
Smallcap World Fund1,039,810Dec 30, 20172.56%10,720,441
Fidelity Select Portfolios - Biotechnology1,028,440Jan 30, 20182.53%11,261,417
Federated Kaufmann Fund700,000Jul 30, 20171.72%9,554,999
iShares NASDAQ Biotechnology ETF539,845Jan 30, 20181.33%5,911,302
Vanguard Small-Cap Index Fund525,031Jun 29, 20171.29%6,263,619
iShares Russell 2000 ETF401,659Jan 30, 20180.99%4,398,165
Fidelity Series Growth Company Fund398,892Jan 30, 20180.98%4,367,867
JP Morgan U.S. Small Company Fund397,800Jan 30, 20180.98%4,355,909
Vanguard Total Stock Market Index Fund375,673Jun 29, 20170.92%4,481,779