Granahan Investment Management, LLC Spero Therapeutics, Inc. Transaction History

Granahan Investment Management, LLC

$2.38 Billion
Q3 2024

17 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q2 2022 Aug 15, 2022	SELL	$0.74 - $7.44 $83,858 - $843,115	-113,322 Closed	0 $0
Q1 2022 May 16, 2022	SELL	$7.87 - $15.15 $2.09 Million - $4.02 Million	-265,610 Reduced 70.09%	113,322 $986,000
Q4 2021 Feb 14, 2022	SELL	$13.09 - $18.77 $2.31 Million - $3.32 Million	-176,682 Reduced 31.8%	378,932 $6.07 Million
Q3 2021 Nov 15, 2021	BUY	$13.03 - $19.51 $2.91 Million - $4.35 Million	222,975 Added 67.03%	555,614 $10.2 Million
Q2 2021 Aug 16, 2021	SELL	$12.22 - $15.79 $115,772 - $149,594	-9,474 Reduced 2.77%	332,639 $4.64 Million
Q1 2021 May 17, 2021	SELL	$13.23 - $21.48 $1.03 Million - $1.68 Million	-78,207 Reduced 18.61%	342,113 $5.04 Million
Q4 2020 Feb 12, 2021	BUY	$11.65 - $22.07 $538,719 - $1.02 Million	46,242 Added 12.36%	420,320 $8.15 Million
Q3 2020 Nov 12, 2020	BUY	$8.96 - $14.12 $1.86 Million - $2.93 Million	207,472 Added 124.53%	374,078 $4.18 Million
Q2 2020 Aug 14, 2020	SELL	$7.27 - $14.18 $35,099 - $68,461	-4,828 Reduced 2.82%	166,606 $2.25 Million
Q1 2020 May 12, 2020	BUY	$5.27 - $10.41 $118,928 - $234,922	22,567 Added 15.16%	171,434 $1.39 Million
Q4 2019 Feb 14, 2020	BUY	$9.46 - $12.16 $12,525 - $16,099	1,324 Added 0.9%	148,867 $1.43 Million
Q3 2019 Nov 15, 2019	BUY	$9.01 - $12.55 $83,324 - $116,062	9,248 Added 6.69%	147,543 $1.56 Million
Q2 2019 Aug 14, 2019	SELL	$10.25 - $14.36 $22,867 - $32,037	-2,231 Reduced 1.59%	138,295 $1.59 Million
Q1 2019 May 14, 2019	SELL	$6.26 - $13.31 $86,262 - $183,411	-13,780 Reduced 8.93%	140,526 $1.8 Million
Q4 2018 Feb 13, 2019	SELL	$5.69 - $11.28 $15,658 - $31,042	-2,752 Reduced 1.75%	154,306 $949,000
Q3 2018 Nov 13, 2018	BUY	$9.69 - $17.79 $57,267 - $105,138	5,910 Added 3.91%	157,058 $1.65 Million
Q2 2018 Aug 15, 2018	BUY	$10.41 - $17.85 $1.57 Million - $2.7 Million	151,148 New	151,148 $2.22 Million

Others Institutions Holding SPRO

# of Institutions

Shares Held

13.9M

Call Options Held

200

Put Options Held

200

Anson Funds Management LP Dallas, TX

3.75M
Shares

$4.43 Million
0.6% of portfolio
Vanguard Group Inc Valley Forge, PA

1.76M
Shares

$2.08 Million
0.0% of portfolio
Atlas Venture Associates Ix, LLC Boston, MA

1.35M
Shares

$1.6 Million
14.54% of portfolio
Acadian Asset Management LLC Boston, MA

1.07M
Shares

$1.26 Million
0.0% of portfolio
Jim Simons Renaissance Technologies LLC | New York, Ny

975K
Shares

$1.15 Million
0.0% of portfolio

View Full List

About Spero Therapeutics, Inc.

Ticker SPRO
Exchange NASDAQ
Sector Healthcare
Industry Biotechnology
Shares Outstandng 35,067,500
Market Cap $41.4M
Description
Spero Therapeutics, Inc., a clinical-stage biopharmaceutical company, focuses on identifying, developing, and commercializing treatments for multi-drug resistant (MDR) bacterial infections and rare diseases in the United States. The company's product candidates include tebipenem pivoxil hydrobromide (HBr), an oral carbapenem-class antibiotic to ...

More about SPRO

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