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Spero Therapeutics

94 hedge funds and large institutions have $273M invested in Spero Therapeutics in 2021 Q1 according to their latest regulatory filings, with 15 funds opening new positions, 27 increasing their positions, 26 reducing their positions, and 8 closing their positions.

New
Increased
Maintained
Reduced
Closed

88% more first-time investments, than exits

New positions opened: 15 | Existing positions closed: 8

6% more funds holding

Funds holding: 8994 (+5)

4% more repeat investments, than reductions

Existing positions increased: 27 | Existing positions reduced: 26

7.31% less ownership

Funds ownership: 70.19%62.88% (-7.3%)

26% less capital invested

Capital invested by funds: $370M → $273M (-$97M)

33% less funds holding in top 10

Funds holding in top 10: 32 (-1)

44% less call options, than puts

Call options by funds: $889K | Put options by funds: $1.58M

Holders
94
Holders Change
+5
Holders Change %
+5.62%
% of All Funds
1.65%
Holding in Top 10
2
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-33.33%
% of All Funds
0.04%
New
15
Increased
27
Reduced
26
Closed
8
Calls
$889K
Puts
$1.58M
Net Calls
-$690K
Net Calls Change
-$151K
Name Holding Trade Value Shares
Change
Change in
Stake
ACM
1
Aquilo Capital Management
California
$56.4M -$1.81M -103,000 -3%
BI
2
BVF Inc
California
$31.5M -$1.85M -105,300 -5%
BlackRock
3
BlackRock
New York
$26.2M +$792K +44,996 +3%
AVAI
4
Atlas Venture Associates IX
Massachusetts
$20.3M
State Street
5
State Street
Massachusetts
$20M +$17.9M +1,017,712 +300%
Vanguard Group
6
Vanguard Group
Pennsylvania
$16.3M -$423K -24,034 -2%
RSCM
7
Rock Springs Capital Management
Maryland
$14.2M -$4.74M -269,072 -22%
AI
8
Alphabet Inc
California
$13.1M
AG
9
Artal Group
Luxembourg
$7.36M
NHAS
10
Novo Holdings A/S
Denmark
$6.9M -$1.9M -107,800 -19%
Ameriprise
11
Ameriprise
Minnesota
$6.4M +$2.98M +169,347 +64%
AIC
12
AWM Investment Company
New York
$5.49M
Geode Capital Management
13
Geode Capital Management
Massachusetts
$5.35M +$96.1K +5,463 +2%
Dimensional Fund Advisors
14
Dimensional Fund Advisors
Texas
$5.04M +$1.62M +92,309 +37%
GIM
15
Granahan Investment Management
Massachusetts
$5.04M -$1.38M -78,207 -19%
Goldman Sachs
16
Goldman Sachs
New York
$3.77M +$3.77M +214,179 +515%
Northern Trust
17
Northern Trust
Illinois
$3.53M -$465K -26,395 -10%
Morgan Stanley
18
Morgan Stanley
New York
$2.78M -$1.45M -82,309 -30%
Assenagon Asset Management
19
Assenagon Asset Management
Luxembourg
$2.67M +$1.02M +57,793 +47%
Citigroup
20
Citigroup
New York
$1.26M +$1.42M +80,845 +1,584%
LBA
21
Letko, Brosseau & Associates
Quebec, Canada
$1.08M +$97.8K +5,559 +8%
Susquehanna International Group
22
Susquehanna International Group
Pennsylvania
$1.02M -$86.1K -4,895 -7%
Rafferty Asset Management
23
Rafferty Asset Management
New York
$1.01M +$1.21M +68,963 New
JP Morgan Chase
24
JP Morgan Chase
New York
$1.01M -$89.9K -5,106 -7%
N
25
Nuveen
North Carolina
$948K -$327K -18,596 -22%

SPRO Hedge Fund Activity: Q1 2021 in Review

94 of the 5,695 institutional investors tracked by Wall St. Rank reported a position in Spero Therapeutics (SPRO) for Q1 2021, worth a combined $273M — down 26% from $370M a quarter earlier.

Buyers outnumbered sellers: 15 funds opened new SPRO positions and 8 closed out — a net gain of 7 holders — while 27 added to existing stakes and 26 trimmed.

The largest buyer was State Street, adding an estimated $17.9M. The largest seller was Rock Springs Capital Management, cutting an estimated $4.74M.

  • 94 institutional investors held Spero Therapeutics (SPRO) as of Q1 2021, up from 89 in Q4 2020.
  • Funds reported $273M of Spero Therapeutics stock for Q1 2021, down 26% quarter-over-quarter.
  • 15 funds opened new Spero Therapeutics positions in Q1 2021 and 8 closed out, a net change of +7 holders.
  • The largest Spero Therapeutics buyer in Q1 2021 was State Street, an estimated $17.9M added.
  • The largest Spero Therapeutics seller in Q1 2021 was Rock Springs Capital Management, an estimated $4.74M sold.

Based on aggregated 13F filings for Q1 2021.