NASDAQ : AMSF
-$2.24 (-6.59%)
3.24%
23
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0.00
change: 0 | last: 020.56M
| Filing Date | Reporting Person | Amount Beneficially Owned | % of Class |
|---|---|---|---|
| 2026-04-29 | Vanguard Capital Management | 994.82K | 5.29% |
| 2026-03-26 | The Vanguard Group | - | 0.00% |
| 2025-10-24 | Victory Capital Management, Inc. | 3180.0 | 0.02% |
| 2025-04-25 | BlackRock, Inc. | 2.9M | 15.20% |
| 2025-02-05 | BlackRock, Inc. | 3.53M | 18.50% |
| 2023-01-20 | (1) BlackRock, Inc. | 3.16M | 16.50% |
| 2022-02-11 | Neuberger Berman Equity Funds | 977.15K | 5.05% |
| 2022-02-11 | Neuberger Berman Genesis Fund | 977.15K | 5.05% |
| 2022-02-11 | Neuberger Berman Group LLC | 1.46M | 7.54% |
| 2022-02-11 | Neuberger Berman Investment Advisers LLC | 1.46M | 7.54% |
| 2022-02-09 | The Vanguard Group - 23-1945930 | 1.26M | 6.53% |
| 2022-02-01 | Victory Capital Management Inc. | 1.35M | 6.96% |
| 2022-01-27 | (1) BlackRock, Inc. | 3.14M | 16.20% |
| 2022-01-26 | (1) BlackRock, Inc. | 3.14M | 16.20% |
| 2021-02-11 | Neuberger Berman Equity Funds | 1.08M | 5.57% |
| 2021-02-11 | Neuberger Berman Genesis Fund | 1.08M | 5.57% |
| 2021-02-11 | Neuberger Berman Investment Advisers LLC | 1.59M | 8.23% |
| 2021-02-11 | Neuberger Berman Group LLC | 1.59M | 8.23% |
| 2021-02-10 | The Vanguard Group - 23-1945930 | 1.21M | 6.25% |
| 2021-02-02 | Victory Capital Management Inc. | 1.21M | 6.25% |
| 2021-01-25 | (1) BlackRock, Inc. | 3.03M | 15.70% |
| 2020-02-13 | Neuberger Berman Equity Funds | 1.11M | 5.76% |
| 2020-02-13 | Neuberger Berman Group LLC | 1.6M | 8.27% |
| 2020-02-13 | Neuberger Berman Genesis Fund | 1.11M | 5.76% |
| 2020-02-13 | Neuberger Berman Investment Advisers LLC | 1.6M | 8.27% |
| 2020-02-12 | The Vanguard Group - 23-1945930 | 1.23M | 6.38% |
| 2020-02-12 | (. | 863.35K | 4.47% |
| 2020-02-04 | (1) BlackRock, Inc. | 2.77M | 14.40% |
| 2020-01-30 | Victory Capital Management Inc. | 1.03M | 5.35% |
| 2019-02-13 | Neuberger Berman Investment Advisers LLC | 1.08M | 5.62% |
| 2019-02-13 | Neuberger Berman Group LLC | 1.08M | 5.62% |
| 2019-02-08 | (. | 965.23K | 5.01% |
| 2019-02-01 | Victory Capital Management Inc. | 1.03M | 5.32% |
| 2019-01-30 | 2. | 555.12K | 2.90% |
| 2019-01-24 | (1) BlackRock, Inc. | 2.46M | 12.80% |
| 2018-02-15 | Neuberger Berman Investment Advisers LLC | 1.25M | 6.47% |
| 2018-02-15 | Neuberger Berman Group LLC | 1.25M | 6.47% |
| 2018-02-12 | 2. | 1.05M | 5.40% |
| 2018-01-19 | (1) BlackRock, Inc. | 2.37M | 12.30% |
| 2017-02-10 | 2. | 1.08M | 5.60% |
| 2017-01-12 | (1) BlackRock, Inc. | 2.16M | 11.30% |
| 2016-10-07 | (1) BlackRock, Inc. | 1.94M | 10.10% |
| 2016-02-11 | Wellington Management Group LLP | 851.67K | 4.46% |
| 2016-02-11 | Wellington Group Holdings LLP | 851.67K | 4.46% |
| 2016-02-11 | Wellington Investment Advisors Holdings LLP | 851.67K | 4.46% |
| 2016-02-10 | RBC Global Asset Management (U.S.) Inc. | 1.11M | 5.80% |
| 2016-01-25 | (1) BlackRock, Inc. | 1.85M | 9.70% |
| 2015-02-04 | 2. | 1.07M | 5.70% |
| 2015-01-15 | (1) BlackRock, Inc. | 1.77M | 9.40% |
| 2014-02-14 | Edward C. Johnson 3d | 2.59M | 13.99% |
| 2014-02-14 | 04-2683227 | 1.09M | 5.89% |
| 2014-02-14 | FMR LLC | 2.59M | 13.99% |
| 2014-02-13 | Navios Maritime Holdings Inc. | 28.42M | 18.80% |
| 2014-01-28 | (1) BlackRock, Inc. | 1.75M | 9.40% |
| 2013-02-14 | 04-2683227 | 1.43M | 7.88% |
| 2013-02-14 | Edward C. Johnson 3d | 2.73M | 15.00% |
| 2013-02-14 | FMR LLC | 2.73M | 15.00% |
| 2013-02-13 | 2) | 1.08M | 5.96% |
| 2013-02-13 | 2) | 1.08M | 5.96% |
| 2013-02-01 | (1) BlackRock, Inc. | 1.53M | 8.40% |
| 2013-01-17 | 56-2450074 | 1.01M | 5.57% |
| 2012-02-14 | FMR LLC | 2.62M | 14.53% |
| 2012-02-14 | Edward C. Johnson 3d | 2.62M | 14.53% |
| 2012-02-14 | 04-2683227 | 1.63M | 9.01% |
| 2012-02-10 | (1) BlackRock, Inc. | 1.49M | 8.27% |
| 2012-01-26 | 56-2450074 | 1.05M | 5.78% |
| 2012-01-26 | 52-2343049 | 392.24K | 2.17% |
| 2011-02-14 | Edward C. Johnson 3d | 2.4M | 13.00% |
| 2011-02-14 | 04-2683227 | 1.61M | 8.71% |
| 2011-02-14 | FMR LLC | 2.4M | 13.00% |
| 2011-01-11 | 52-2343049 | 933.39K | 5.06% |
| 2010-05-10 | FMR LLC | 1.89M | 10.04% |
| 2010-05-10 | Edward C. Johnson 3d | 1.89M | 10.04% |
| 2010-02-16 | FMR LLC | 1.43M | 7.56% |
| 2010-02-16 | Edward C. Johnson 3d | 1.43M | 7.56% |
| 2010-02-09 | 20-1665304 | 1.01M | 5.30% |
| 2010-02-08 | THE VANGUARD GROUP, INC. - 23-1945930 | 1.09M | 5.79% |
| 2010-01-29 | BlackRock for purposes of Schedule 13G filings. | 1.49M | 7.88% |
| 2009-02-11 | 20-1665304 | 939K | 5.00% |
| 2008-06-10 | Neuberger Berman, LLC | 337.84K | 1.80% |
| 2008-06-10 | Neuberger Berman Inc. | 337.84K | 1.80% |
| 2008-02-14 | 04-2683227 | 1.13M | 5.99% |
| 2008-01-25 | Wells Fargo & Company | 1.28M | 6.78% |
| 2008-01-25 | Wells Capital Management Incorporated | 1.24M | 6.57% |
| 2007-02-05 | Wells Capital Management Incorporated | 1.37M | 7.84% |
| 2007-02-05 | Wells Fargo & Company | 1.38M | 7.93% |
| 2006-02-15 | 061523639 | 893.04K | 5.13% |
| Date | Stock Price | Shares Outstanding | Market Cap | Cash & Equivalents | Total Debt | Enterprise Value |
|---|---|---|---|---|---|---|
| 2025-12-31 | $38.41 | 18.98M | $729M | $61.93M | -$ | $667.08M |
| 2024-12-31 | $51.54 | 19.07M | $982.92M | $44.04M | -$ | $938.87M |
| 2023-12-31 | $47.00 | 19.15M | $900M | $38.68M | -$ | $861.32M |
| 2022-12-31 | $51.97 | 19.23M | $999.54M | $61.47M | -$ | $938.07M |
| 2021-12-31 | $53.83 | 19.33M | $1.04B | $70.72M | -$ | $969.92M |
| 2020-12-31 | $57.43 | 19.29M | $1.11B | $61.76M | -$ | $1.05B |
| 2019-12-31 | $66.03 | 19.25M | $1.27B | $43.81M | -$ | $1.23B |
| 2018-12-31 | $56.69 | 19.21M | $1.09B | $40.34M | -$ | $1.05B |
| 2017-12-31 | $61.60 | 19.16M | $1.18B | $55.56M | -$ | $1.13B |
| 2016-12-31 | $62.35 | 19.11M | $1.19B | $58.94M | -$ | $1.13B |
| Date | Stock Price | Shares Outstanding | Market Cap | Cash & Equivalents | Total Debt | Enterprise Value |
|---|---|---|---|---|---|---|
| 2026-06-30 | $33.83 | 18.67M | $631.58M | $65.48M | -$ | $566.1M |
| 2026-03-31 | $33.33 | 18.76M | $625.26M | $34.23M | -$ | $591.03M |
| 2025-12-31 | $38.41 | 18.86M | $724.57M | $61.93M | -$ | $662.65M |
| 2025-09-30 | $43.84 | 18.98M | $832.12M | $54.75M | -$ | $777.37M |
| 2025-06-30 | $43.73 | 19.04M | $832.55M | $48.46M | -$ | $784.08M |
| 2025-03-31 | $52.55 | 19.04M | $1B | $44.75M | -$ | $955.59M |
| 2024-12-31 | $51.54 | 19.07M | $982.92M | $44.04M | -$ | $938.87M |
| 2024-09-30 | $48.33 | 19.04M | $920.3M | $63.66M | -$ | $856.64M |
| 2024-06-30 | $43.82 | 19.08M | $836.22M | $30.61M | -$ | $805.61M |
| 2024-03-31 | $49.04 | 19.12M | $937.74M | $33.38M | -$ | $904.37M |
| 2023-12-31 | $47.00 | 19.16M | $900.52M | $38.68M | -$ | $861.84M |
| 2023-09-30 | $50.07 | 19.16M | $959.59M | $59.25M | -$ | $900.34M |