Let's be objective about this. I'll make a list of all of the major feminist writers and figures who are Jewish:

Betty Frieden, Martha C. Nussbaum, Andrea Dworkin

Now I'll make a list of all of the major feminist authors, leaders, suffragettes and other agitators, going back to the 18th century, who have not been Jewish:

Mary Wollstonecraft, Emmeline Pankhurst, Claire Lacombe, Pauline Léon, Elizabeth Cady Stanton, Susan B. Anthony, Victoria Woodhull, Isabella Beecher Hooker, Sarah Moore Grimké, Angelina Grimké, Mary Ann M’Clintock, Paula Wright Davis, Lydia Maria Child, Frances Wright, Abby Kelly, Rebecca Latimer Felton, Ernestine Rose, Lucretia Coffin Mott, Adrienne Rich, Margaret Fuller, Maria W. Stewart, Lucy Stone, Sojourner Truth, Dorothea Dix, Carrie Chapman Catt, Alice Paul, Harriet Beecher Stowe, Mary Church Terrell, Matilda Joslyn Gage, Amelia Bloomer, Elisabeth Dmetrieff, Nathalie Lemel, Louise Michel, Jeanne Schmahl, Victorine Brocher, Emily Davidson, Millicent Fawcett, Annie Kenney, Ada Lovelace, Catherine Helen Spence, Anne Jaclard, Clara Campoamor, Concepción Arenal, Margarita Nelken, Marie Stritt, Helene Lange, Marilyn French, Evelyn Reed, Alexandra Kollontai, Simone de Beauvoir, Carmen de Burgos, Virginia Woolf, Emilia Pardo Bazan, Catharine MacKinnon, Valerie Solanas, Marilyn Frye, Juliet Mitchell, bell hooks, Kate Millett, Germaine Greer, Sally Miller Gearhart, Camille Paglia, Sheila Jeffreys, Luce Irigaray, Inessa Armand, Julia Kristeva, Mary Ann Evans, Rosi Braidotti, Donna Haraway, Ella Baker, Anita Hill, Patricia Hill Collins, Chandra Mohanty Joan Tronto, Sarah B. Pomeroy, Susan Moller Okin, Audre Lorde, Kimberlé Crenshaw, Margaret Atwood, Kathleen Berry, Melissa Farley, Robin Morgan, Jill Johnston, Sidney Abbott, Barbara Love, Mary Daly, Janice Raymond

Hmm. Seems about proportional to the general population.

In other words, you're full of shit.