American Century Companies Inc Siga Technologies Inc Transaction History

American Century Companies Inc

  • $176 Billion
  • Q2 2025

A detailed history of American Century Companies Inc transactions in Siga Technologies Inc stock. As of the latest transaction made, American Century Companies Inc holds 1,405,174 shares of SIGA stock, worth $12.6 Million. This represents 0.01% of its overall portfolio holdings.

Number of Shares
1,405,174
Previous 1,370,660 2.52%
Holding current value
$12.6 Million
Previous $7.51 Million 21.97%
% of portfolio
0.01%
Previous 0.0%

Shares

18 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q2 2025

Aug 12, 2025
BUY
$5.22 - $6.56 $180,163 - $226,411
34,514 Added 2.52%
1,405,174 $9.16 Million
Q1 2025

May 13, 2025
BUY
$5.39 - $6.47 $531,928 - $638,511
98,688 Added 7.76%
1,370,660 $7.51 Million
Q4 2024

Feb 11, 2025
BUY
$5.73 - $7.72 $654,767 - $882,164
114,270 Added 9.87%
1,271,972 $7.64 Million
Q3 2024

Nov 12, 2024
BUY
$6.74 - $11.97 $2.13 Million - $3.78 Million
315,943 Added 37.53%
1,157,702 $7.8 Million
Q2 2024

Aug 07, 2024
BUY
$6.32 - $10.46 $3.81 Million - $6.3 Million
602,091 Added 251.22%
841,759 $6.39 Million
Q1 2024

May 14, 2024
SELL
$4.51 - $8.92 $41,194 - $81,475
-9,134 Reduced 3.67%
239,668 $2.05 Million
Q4 2023

Feb 13, 2024
BUY
$4.82 - $6.25 $1.2 Million - $1.56 Million
248,802 New
248,802 $1.39 Million
Q3 2023

Nov 13, 2023
SELL
$4.32 - $5.77 $312,629 - $417,563
-72,368 Reduced 19.01%
308,276 $1.62 Million
Q2 2023

Aug 14, 2023
SELL
$5.0 - $6.31 $250,210 - $315,765
-50,042 Reduced 11.62%
380,644 $1.92 Million
Q1 2023

May 11, 2023
BUY
$5.23 - $8.42 $349,186 - $562,169
66,766 Added 18.35%
430,686 $2.48 Million
Q4 2022

Feb 13, 2023
SELL
$7.29 - $10.14 $280,453 - $390,095
-38,471 Reduced 9.56%
363,920 $2.68 Million
Q3 2022

Nov 14, 2022
BUY
$10.02 - $26.15 $1.91 Million - $4.97 Million
190,156 Added 89.6%
402,391 $4.15 Million
Q2 2022

Aug 12, 2022
BUY
$6.5 - $13.68 $812,025 - $1.71 Million
124,927 Added 143.09%
212,235 $2.46 Million
Q1 2022

May 11, 2022
BUY
$5.96 - $7.61 $146,318 - $186,825
24,550 Added 39.12%
87,308 $619,000
Q4 2021

Feb 07, 2022
BUY
$6.96 - $9.26 $338,917 - $450,915
48,695 Added 346.26%
62,758 $472,000
Q3 2021

Nov 10, 2021
BUY
$5.71 - $7.39 $80,299 - $103,925
14,063 New
14,063 $104,000
Q2 2019

Aug 14, 2019
SELL
$5.22 - $6.1 $74,786 - $87,394
-14,327 Closed
0 $0
Q1 2019

May 14, 2019
BUY
$5.66 - $7.89 $81,090 - $113,040
14,327 New
14,327 $0

Others Institutions Holding SIGA

# of Institutions
191
Shares Held
35.4M
Call Options Held
106K
Put Options Held
16.6K
View Full List

About SIGA TECHNOLOGIES INC

SIGA Quotes by TradingView
  • Ticker SIGA
  • Exchange NASDAQ
  • Sector Healthcare
  • Industry Drug Manufacturers—Specialty & Generic
  • Shares Outstandng 73,024,096
  • Market Cap $657M
  • Description
  • SIGA Technologies, Inc., a commercial-stage pharmaceutical company, focuses on the health security and infectious disease markets in the United States. Its lead product is TPOXX, an oral formulation antiviral drug for the treatment of human smallpox disease caused by variola virus. SIGA Technologies, Inc. has a strategic partnership with Cipla T...
More about SIGA
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