Main Street Research’s Fortinet FTNT Stock Holding History

Main Street Research’s Portfolio FTNT Stock Details FTNT Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$647K	Buy	4,214 +139	+3%	+$16.1K	0.03%	82
2026 Q1	$333K	Buy	+4,075	New	+$329K	0.02%	107
2025 Q4	–	Sell	-4,190	Closed	-$352K	–	135
2025 Q3	$352K	Buy	+4,190	New	+$374K	0.02%	100
2025 Q2	–	Sell	-318,947	Closed	-$30.7M	–	119
2025 Q1	$30.7M	Buy	+318,947	New	+$32.3M	2.01%	26
2023 Q1	–	Sell	-4,655	Closed	-$228K	–	97
2022 Q4	$228K	Buy	4,655 +445	+11%	+$23.2K	0.06%	88
2022 Q3	$207K	Buy	+4,210	New	+$228K	0.05%	91

Other funds holding FTNT

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Norges Bank Oslo, Norway $1T AUM

First Trust Advisors Wheaton, Illinois $170B AUM 46.21% 1-Year Est. Return

Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return

Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return

Main Street Research's FTNT Position: Q2 2026 in Review

Main Street Research increased its Fortinet (FTNT) stake by 3.4% in Q2 2026, buying an estimated $16.1K and bringing the position to 4,214 shares worth $647K. The position accounts for 0.03% of the portfolio, ranked #82.

Main Street Research first reported a position in FTNT in Q3 2022 and has held it in 6 quarters since. The position peaked at $30.7M in Q1 2025. 1,581 funds tracked by Wall St. Rank hold FTNT as of Q2 2026.

Main Street Research held 4,214 shares of Fortinet worth $647K as of Q2 2026.
Main Street Research bought 139 Fortinet shares in Q2 2026, an estimated $16.1K.
Fortinet made up 0.03% of Main Street Research's portfolio in Q2 2026, its #82 holding.
Main Street Research first reported a position in Fortinet in Q3 2022 and has held it in 6 quarters since.
Main Street Research's Fortinet position peaked at $30.7M in Q1 2025.
1,581 funds tracked by Wall St. Rank held Fortinet as of Q2 2026.

Based on Main Street Research's 13F filing for Q2 2026, filed 29 Jul 2026.