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
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Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $544B AUM 28.31% 1-Year Est. Return
First Trust Advisors
First Trust Advisors Wheaton, Illinois $140B AUM 27.84% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

William Blair & Company's FTNT Position: Q1 2026 in Review

William Blair & Company reduced its Fortinet (FTNT) stake by 2.4% in Q1 2026, selling an estimated $308K and leaving 156,820 shares worth $12.8M. The position accounts for 0.04% of the portfolio, ranked #302.

William Blair & Company first reported a position in FTNT in Q2 2013 and has held it in 51 quarters since. The position peaked at $36.1M in Q2 2023. 1,320 funds tracked by Wall St. Rank hold FTNT as of Q1 2026.

  • William Blair & Company held 156,820 shares of Fortinet worth $12.8M as of Q1 2026.
  • William Blair & Company sold 3,813 Fortinet shares in Q1 2026, an estimated $308K.
  • Fortinet made up 0.04% of William Blair & Company's portfolio in Q1 2026, its #302 holding.
  • William Blair & Company first reported a position in Fortinet in Q2 2013 and has held it in 51 quarters since.
  • William Blair & Company's Fortinet position peaked at $36.1M in Q2 2023.
  • 1,320 funds tracked by Wall St. Rank held Fortinet as of Q1 2026.

Based on William Blair & Company's 13F filing for Q1 2026, filed 8 May 2026.