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
2026
Q1 		$42.4M Buy
264,178
+64,925
+33% +$10.9M 0.15% 163
2025
Q4 		$36.7M Sell
199,253
-6,297
-3% -$1.27M 0.14% 167
2025
Q3 		$41.9M Sell
205,550
-63,632
-24% -$12.2M 0.15% 148
2025
Q2 		$55.1M Buy
269,182
+3,521
+1% +$654K 0.22% 105
2025
Q1 		$45.3M Buy
265,661
+2,245
+0.9% +$415K 0.2% 120
2024
Q4 		$47.9M Buy
263,416
+59,766
+29% +$11.3M 0.2% 111
2024
Q3 		$34.8M Sell
203,650
-5,574
-3% -$938K 0.15% 163
2024
Q2 		$35.5M Sell
209,224
-4,202
-2% -$629K 0.16% 150
2024
Q1 		$30.3M Sell
213,426
-118,394
-36% -$18.7M 0.14% 185
2023
Q4 		$48.9M Buy
331,820
+54,502
+20% +$7.29M 0.24% 107
2023
Q3 		$32.5M Buy
277,318
+3,034
+1% +$359K 0.17% 167
2023
Q2 		$35M Buy
274,284
+214,594
+360% +$22.3M 0.17% 154
2023
Q1 		$5.96M Buy
59,690
+52,430
+722% +$4.44M 0.03% 582
2022
Q4 		$507K Hold
7,260
– – ﹤0.01% 907
2022
Q3 		$595K Buy
7,260
+1,590
+28% +$138K ﹤0.01% 1000
2022
Q2 		$467K Buy
+5,670
New +$503K ﹤0.01% 1083
2019
Q3 		– Sell
-599,526
Closed -$20.4M – 788
2019
Q2 		$20.4M Buy
+599,526
New +$22.4M 0.11% 228
2015
Q2 		– Sell
-834,606
Closed -$22.3M – 711
2015
Q1 		$20.3M Sell
834,606
-526,608
-39% -$11.8M 0.13% 193
2014
Q4 		$27.8M Sell
1,361,214
-168,558
-11% -$3.11M 0.18% 148
2014
Q3 		$25M Sell
1,529,772
-753,822
-33% -$10.8M 0.17% 155
2014
Q2 		$31.9M Sell
2,283,594
-190,932
-8% -$2.23M 0.2% 132
2014
Q1 		$28.3M Sell
2,474,526
-1,237,950
-33% -$14M 0.18% 150
2013
Q4 		$35.6M Sell
3,712,476
-2,299,128
-38% -$18.2M 0.23% 121
2013
Q3 		$45.9M Buy
6,011,604
+3,708,036
+161% +$29.2M 0.29% 92
2013
Q2 		$16.2M Buy
+2,303,568
New +$19.2M 0.11% 192

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. 2,460 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.
  • 2,460 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.