Calamos Advisors
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Calamos Advisors’s Palo Alto Networks PANW Stock Holding History

Calamos Advisors’s Portfolio PANW Stock Details PANW Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2015
Q4 		– Sell
-1,380
Closed -$412K – 680
2015
Q3 		$412K Sell
1,380
-1,380
-50% -$40.7K ﹤0.01% 609
2015
Q2 		$396K Buy
+2,760
New +$73.7K ﹤0.01% 598

Other funds holding PANW

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 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
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return

Calamos Advisors's PANW Position: Q1 2026 in Review

Calamos Advisors increased its Palo Alto Networks (PANW) stake by 33% in Q1 2026, buying an estimated $10.9M and bringing the position to 264,178 shares worth $42.4M. The position accounts for 0.15% of the portfolio, ranked #163.

Calamos Advisors first reported a position in PANW in Q2 2013 and has held it in 25 quarters since. The position peaked at $55.1M in Q2 2025. 2,459 funds tracked by Wall St. Rank hold PANW as of Q1 2026.

  • Calamos Advisors held 264,178 shares of Palo Alto Networks worth $42.4M as of Q1 2026.
  • Calamos Advisors bought 64,925 Palo Alto Networks shares in Q1 2026, an estimated $10.9M.
  • Palo Alto Networks made up 0.15% of Calamos Advisors's portfolio in Q1 2026, its #163 holding.
  • Calamos Advisors first reported a position in Palo Alto Networks in Q2 2013 and has held it in 25 quarters since.
  • Calamos Advisors's Palo Alto Networks position peaked at $55.1M in Q2 2025.
  • 2,459 funds tracked by Wall St. Rank held Palo Alto Networks as of Q1 2026.

Based on Calamos Advisors's 13F filing for Q1 2026, filed 4 May 2026.