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Seres Therapeutics

133 hedge funds and large institutions have $555M invested in Seres Therapeutics in 2021 Q3 according to their latest regulatory filings, with 29 funds opening new positions, 48 increasing their positions, 32 reducing their positions, and 42 closing their positions.

New
Increased
Maintained
Reduced
Closed

70% more call options, than puts

Call options by funds: $4.7M | Put options by funds: $2.77M

50% more repeat investments, than reductions

Existing positions increased: 48 | Existing positions reduced: 32

0% more funds holding in top 10

Funds holding in top 10: 11 (0)

0.37% less ownership

Funds ownership: 4.71%4.34% (-0.37%)

9% less funds holding

Funds holding: 146133 (-13)

31% less first-time investments, than exits

New positions opened: 29 | Existing positions closed: 42

71% less capital invested

Capital invested by funds: $1.93B → $555M (-$1.37B)

Holders
133
Holders Change
-13
Holders Change %
-8.9%
% of All Funds
2.32%
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.02%
New
29
Increased
48
Reduced
32
Closed
42
Calls
$4.7M
Puts
$2.77M
Net Calls
+$1.93M
Net Calls Change
-$38.7M

MCRB Hedge Fund Activity: Q3 2021 in Review

133 of the 5,728 institutional investors tracked by Wall St. Rank reported a position in Seres Therapeutics (MCRB) for Q3 2021, worth a combined $555M — down 71% from $1.93B a quarter earlier.

Sellers outnumbered buyers: 42 funds closed out of MCRB and 29 opened new positions — a net loss of 13 holders — while 32 trimmed existing stakes and 48 added.

The largest buyer was State Street, adding an estimated $64M. The largest seller was ARK Investment Management, exiting entirely with an estimated $232M sold.

  • 133 institutional investors held Seres Therapeutics (MCRB) as of Q3 2021, down from 146 in Q2 2021.
  • Funds reported $555M of Seres Therapeutics stock for Q3 2021, down 71% quarter-over-quarter.
  • 29 funds opened new Seres Therapeutics positions in Q3 2021 and 42 closed out, a net change of -13 holders.
  • The largest Seres Therapeutics buyer in Q3 2021 was State Street, an estimated $64M added.
  • The largest Seres Therapeutics seller in Q3 2021 was ARK Investment Management, an estimated $232M sold.

Based on aggregated 13F filings for Q3 2021.