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Spero Therapeutics

88 hedge funds and large institutions have $244M invested in Spero Therapeutics in 2021 Q2 according to their latest regulatory filings, with 14 funds opening new positions, 28 increasing their positions, 21 reducing their positions, and 20 closing their positions.

New
Increased
Maintained
Reduced
Closed

84% more call options, than puts

Call options by funds: $1.31M | Put options by funds: $711K

33% more repeat investments, than reductions

Existing positions increased: 28 | Existing positions reduced: 21

0% more funds holding in top 10

Funds holding in top 10: 22 (0)

4.01% less ownership

Funds ownership: 62.88%58.87% (-4%)

6% less funds holding

Funds holding: 9488 (-6)

11% less capital invested

Capital invested by funds: $273M → $244M (-$29M)

30% less first-time investments, than exits

New positions opened: 14 | Existing positions closed: 20

Holders
88
Holders Change
-6
Holders Change %
-6.38%
% of All Funds
1.53%
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.03%
New
14
Increased
28
Reduced
21
Closed
20
Calls
$1.31M
Puts
$711K
Net Calls
+$598K
Net Calls Change
+$1.29M
Name Holding Trade Value Shares
Change
Change in
Stake
ACM
1
Aquilo Capital Management
California
$53.5M
BI
2
BVF Inc
California
$29.8M
BlackRock
3
BlackRock
New York
$24.8M +$31.1K +2,226 +0.1%
AVAI
4
Atlas Venture Associates IX
Massachusetts
$19.2M
Vanguard Group
5
Vanguard Group
Pennsylvania
$17.8M +$2.38M +170,094 +15%
RSCM
6
Rock Springs Capital Management
Maryland
$13.5M
AI
7
Alphabet Inc
California
$12.4M
State Street
8
State Street
Massachusetts
$11.3M -$7.63M -545,805 -40%
AG
9
Artal Group
Luxembourg
$6.98M
NHAS
10
Novo Holdings A/S
Denmark
$6.55M
Ameriprise
11
Ameriprise
Minnesota
$6.13M +$56.6K +4,049 +0.9%
Geode Capital Management
12
Geode Capital Management
Massachusetts
$5.78M +$701K +50,150 +14%
Dimensional Fund Advisors
13
Dimensional Fund Advisors
Texas
$5.23M +$446K +31,937 +9%
AIC
14
AWM Investment Company
New York
$5.2M
GIM
15
Granahan Investment Management
Massachusetts
$4.64M -$132K -9,474 -3%
Northern Trust
16
Northern Trust
Illinois
$3.64M +$298K +21,308 +9%
Goldman Sachs
17
Goldman Sachs
New York
$1.9M -$1.67M -119,538 -47%
JP Morgan Chase
18
JP Morgan Chase
New York
$1.62M +$661K +47,287 +69%
LBA
19
Letko, Brosseau & Associates
Quebec, Canada
$1.03M
Morgan Stanley
20
Morgan Stanley
New York
$974K -$1.67M -119,177 -63%
Bank of New York Mellon
21
Bank of New York Mellon
New York
$930K +$47.8K +3,423 +5%
N
22
Nuveen
North Carolina
$894K -$4.3K -308 -0.5%
Charles Schwab
23
Charles Schwab
California
$845K +$99.7K +7,138 +13%
New York State Common Retirement Fund
24
New York State Common Retirement Fund
New York
$696K -$121K -8,638 -15%
Stifel Financial
25
Stifel Financial
Missouri
$685K +$6.99K +500 +1%

SPRO Hedge Fund Activity: Q2 2021 in Review

88 of the 5,745 institutional investors tracked by Wall St. Rank reported a position in Spero Therapeutics (SPRO) for Q2 2021, worth a combined $244M — down 11% from $273M a quarter earlier.

Sellers outnumbered buyers: 20 funds closed out of SPRO and 14 opened new positions — a net loss of 6 holders — while 21 trimmed existing stakes and 28 added.

The largest buyer was Vanguard Group, adding an estimated $2.38M. The largest seller was State Street, cutting an estimated $7.63M.

  • 88 institutional investors held Spero Therapeutics (SPRO) as of Q2 2021, down from 94 in Q1 2021.
  • Funds reported $244M of Spero Therapeutics stock for Q2 2021, down 11% quarter-over-quarter.
  • 14 funds opened new Spero Therapeutics positions in Q2 2021 and 20 closed out, a net change of -6 holders.
  • The largest Spero Therapeutics buyer in Q2 2021 was Vanguard Group, an estimated $2.38M added.
  • The largest Spero Therapeutics seller in Q2 2021 was State Street, an estimated $7.63M sold.

Based on aggregated 13F filings for Q2 2021.