NOTE:
- The 2020 tournament was canceled after the first round because of the COVID-19 pandemic, resulting in no tournament champion for the 2019-20 season.
| SEASON | REGULAR SEASON CHAMPION(S) | TOURNAMENT CHAMPION |
|---|---|---|
| 1961-62 | Colby | St. Lawrence |
| 1962-63 | Harvard | Harvard |
| 1963-64 | Providence | Providence |
| 1964-65 | Boston University | Boston College |
| 1965-66 | Clarkson | Clarkson |
| 1966-67 | Boston University | Cornell |
| 1967-68 | Cornell | Cornell |
| 1968-69 | Cornell | Cornell |
| 1969-70 | Cornell | Cornell |
| 1970-71 | Boston University | Harvard |
| 1971-72 | Cornell | Boston University |
| 1972-73 | Cornell & Harvard | Cornell |
| 1973-74 | New Hampshire | Boston University |
| 1974-75 | Harvard | Boston University |
| 1975-76 | Boston University | Boston University |
| 1976-77 | Clarkson | Boston University |
| 1977-78 | Boston University | Boston College |
| 1978-79 | Boston University | New Hampshire |
| 1979-80 | Boston College | Cornell |
| 1980-81 | Clarkson | Providence |
| 1981-82 | Clarkson | Northeastern |
| 1982-83 | Providence | Harvard |
| 1983-84 | RPI | RPI |
| 1984-85 | RPI | RPI |
| 1985-86 | Harvard | Cornell |
| 1986-87 | Harvard | Harvard |
| 1987-88 | Harvard | St. Lawrence |
| 1988-89 | Harvard | St. Lawrence |
| 1989-90 | Colgate | Colgate |
| 1990-91 | Clarkson | Clarkson |
| 1991-92 | Harvard | St. Lawrence |
| 1992-93 | Harvard | Clarkson |
| 1993-94 | Harvard | Harvard |
| 1994-95 | Clarkson | RPI |
| 1995-96 | Vermont | Cornell |
| 1996-97 | Clarkson | Cornell |
| 1997-98 | Yale | Princeton |
| 1998-99 | Clarkson | Clarkson |
| 1999-00 | St. Lawrence | St. Lawrence |
| 2000-01 | Clarkson | St. Lawrence |
| 2001-02 | Cornell | Harvard |
| 2002-03 | Cornell | Cornell |
| 2003-04 | Colgate | Harvard |
| 2004-05 | Cornell | Cornell |
| 2005-06 | Colgate & Dartmouth | Harvard |
| 2006-07 | St. Lawrence | Clarkson |
| 2007-08 | Clarkson | Princeton |
| 2008-09 | Yale | Yale |
| 2009-10 | Yale | Cornell |
| 2010-11 | Union | Yale |
| 2011-12 | Union | Union |
| 2012-13 | Quinnipiac | Union |
| 2013-14 | Union | Union |
| 2014-15 | Quinnipiac | Harvard |
| 2015-16 | Quinnipiac | Quinnipiac |
| 2016-17 | Harvard & Union | Harvard |
| 2017-18 | Cornell | Princeton |
| 2018-19 | Cornell & Quinnipiac | Clarkson |
| 2019-20 | Cornell | |
| 2020-21 | Quinnipiac | St. Lawrence |
| 2021-22 | Quinnipiac | Harvard |
| 2022-23 | Quinnipiac | Colgate |
| 2023-24 | Quinnipiac | Cornell |
| 2024-25 | Quinnipiac | Cornell |