ARROWSTREET CAPITAL, LIMITED PARTNERSHIP

Arrowstreet Capital grew to $184.8B across 1,810 holdings in Q1 2026, up from $170.7B. In contrast to discretionary managers taking profits, the systematic firm added aggressively to megacaps: Broadcom (+$2.8B), Alphabet (+$2.1B), Microsoft (+$1.8B) and Amazon (+$1.1B) were the largest increases. New positions reached into energy and software momentum — Suncor ($1.7B), Palantir ($1.5B) and Canadian Natural Resources ($1.4B) — while Netflix (-$1.1B), Merck (-$1.0B) and Freeport-McMoRan (-$1.0B) were exited.