ildi-wp/home-loop.php

<div class="grid xs-col-100 sm-col-50 md-col-33 grid-gutter-lg">
<?php

  $sticky = get_option( 'sticky_posts' );
  $args = array(
    'posts_per_page' => 12,
    'post__in'  => $sticky,
    'ignore_sticky_posts' => 1
  );
  $query = new WP_Query( $args );

  if ( isset($sticky[0]) && $query->have_posts() ) {
    while ( $query->have_posts() ) {
      $query->the_post(); ?>

      <section class="home-loop">
        <a href="<?php echo get_page_link(); ?>"><?php
          the_title( '<h1>', '</h1>' );
          the_post_thumbnail();
        ?></a>
      </section>

    <?php }
  }

  wp_reset_postdata();
?>
</div>