William Blair & Company
FTNT icon

William Blair & Company’s Fortinet FTNT Stock Holding History

William Blair & Company’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
2017
Q3 		– Sell
-1,500
Closed -$11K – 1419
2017
Q2 		$11K Hold
1,500
– – ﹤0.01% 1577
2017
Q1 		$12K Buy
+1,500
New +$10.6K ﹤0.01% 1413

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State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Norges Bank
Norges Bank Oslo, Norway $1T AUM
First Trust Advisors
First Trust Advisors Wheaton, Illinois $170B AUM 46.21% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return

William Blair & Company's FTNT Position: Q2 2026 in Review

William Blair & Company reduced its Fortinet (FTNT) stake by 1.9% in Q2 2026, selling an estimated $349K and leaving 153,799 shares worth $23.6M. The position accounts for 0.06% of the portfolio, ranked #233.

William Blair & Company first reported a position in FTNT in Q2 2013 and has held it in 52 quarters since. The position peaked at $36.1M in Q2 2023. 1,579 funds tracked by Wall St. Rank hold FTNT as of Q2 2026.

  • William Blair & Company held 153,799 shares of Fortinet worth $23.6M as of Q2 2026.
  • William Blair & Company sold 3,021 Fortinet shares in Q2 2026, an estimated $349K.
  • Fortinet made up 0.06% of William Blair & Company's portfolio in Q2 2026, its #233 holding.
  • William Blair & Company first reported a position in Fortinet in Q2 2013 and has held it in 52 quarters since.
  • William Blair & Company's Fortinet position peaked at $36.1M in Q2 2023.
  • 1,579 funds tracked by Wall St. Rank held Fortinet as of Q2 2026.

Based on William Blair & Company's 13F filing for Q2 2026, filed 11 Aug 2026.