EventsFilterRouteController.php

<?php
namespace Vendor\Site\Controller;

use Neos\Flow\Annotations as Flow;
use Neos\Neos\Controller\Module\AbstractModuleController;
use Neos\Eel\FlowQuery\FlowQuery;
use Neos\Fusion\View\FusionView;

class EventsFilterRouteController extends AbstractModuleController {
  /**
  * @Flow\Inject
  * @var Neos\ContentRepository\Domain\Service\ContextFactoryInterface
  */
  protected $contextFactory;

  /**
   * @var FusionView
   */
  protected $view;

  /**
   * @var string
   */
  protected $defaultViewObjectName = FusionView::class;

  public function eventsFilterAction() {
    $context = $this->contextFactory->create();
    $node = $context->getRootNode();
    $q = new \Neos\Eel\FlowQuery\FlowQuery([$node]);
    $items = $q->find('[instanceof Vendor.Site:Component.BigInfoCard]')->get();
    $this->view->assignMultiple([
      'items' => $items,
    ]);
  }
}

Header.fusion

prototype(Vendor.Site:Component.Header) < prototype(Neos.Fusion:Component) {
	homeLink = Neos.Neos:NodeUri {
		node = ${site}
	}

	headerContent = Neos.Neos:ContentCollection {
		nodePath = 'headerContent'
	}

	logoSrc = Neos.Fusion:ResourceUri {
		path = 'resource://Vendor.Site/Public/Images/logo.svg'
	}

	renderer = afx`
		<header class="header">
			<div class="header-container container">
				<a class="logo" href={props.homeLink}>
					<img class="logo-img" src={props.logoSrc} alt="Vendor" />
				</a>
				<div class="header-bar">
					<Vendor.Site:Component.Navigation startingPoint={site} navClasses={classes}/>
					{props.headerContent}
					<div class="burger">
						<span></span>
						<span></span>
						<span></span>
						<span></span>
					</div>
					<div class="navigation-open">
            <a class="logo" href={props.homeLink}>
              <img class="logo-img" src={props.logoSrc} alt="Vendor" />
            </a>
            <div class="navigation-open-title">
              <span class="icon-Vendor"></span>
              <h3 class="h3">qwe</h3>
            </div>
						<Vendor.Site:Component.Navigation startingPoint={site} isMobile={true}/>
            <div>
              <div>
                <p>qwe</p>
                <p>qwe</p>
                <p>qwe</p>
              </div>
              <div>
                <p>qwe</p>
                <p>qwe</p>
                <p>qwe</p>
              </div>
              <ul>
                <li><a href="#">qwe</a></li>
                <li><a href="#">qwe</a></li>
                <li><a href="#">qwe</a></li>
              </ul>
            </div>
          </div>
				</div>
			</div>
		</header>
	`
}

Root.fusion

include: resource://Neos.Fusion/Private/Fusion/Root.fusion
include: resource://Neos.Neos/Private/Fusion/Root.fusion
include: resource://Vendor.Site/Private/Fusion/**/*

Vendor.Site.EventsFilterRouteController.eventsFilter = Vendor.Site:Routes.EventsFilter

prototype(Vendor.Site:Routes.EventsFilter) < prototype(Neos.Fusion:Component) {

  renderer = afx`
    <Vendor.Site:Component.Header/>
    <h2>lolkek</h2>
  `
}