William Blair Investment Management
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William Blair Investment Management’s Pampa Energía PAM Stock Holding History

William Blair Investment Management’s Portfolio PAM Stock Details PAM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q3 		– Sell
-89,640
Closed -$6.22M – 443
2025
Q2 		$6.22M Buy
89,640
+5,450
+6% +$409K 0.02% 343
2025
Q1 		$6.5M Sell
84,190
-115,888
-58% -$9.62M 0.02% 335
2024
Q4 		$17.6M Buy
200,078
+43,257
+28% +$3.29M 0.04% 320
2024
Q3 		$9.42M Buy
+156,821
New +$8.03M 0.02% 329
2018
Q3 		– Sell
-42,233
Closed -$1.51M – 472
2018
Q2 		$1.51M Sell
42,233
-538,323
-93% -$27.8M 0.01% 390
2018
Q1 		$34.6M Buy
580,556
+27,753
+5% +$1.81M 0.13% 168
2017
Q4 		$37.2M Buy
552,803
+151,711
+38% +$9.98M 0.14% 165
2017
Q3 		$26.1M Sell
401,092
-319,368
-44% -$18.7M 0.09% 202
2017
Q2 		$42.4M Sell
720,460
-12,565
-2% -$747K 0.15% 159
2017
Q1 		$39.7M Buy
733,025
+428,429
+141% +$19.7M 0.15% 158
2016
Q4 		$10.6M Buy
+304,596
New +$10.3M 0.04% 303

Other funds holding PAM

TIAM
TT International Asset Management London, United Kingdom $783M AUM 104.75% 1-Year Est. Return
HI
Helikon Investments London, United Kingdom $2.65B AUM 79.03% 1-Year Est. Return
Mirae Asset Global ETFs Holdings
Mirae Asset Global ETFs Holdings Causeway Bay, Hong Kong $73.7B AUM 53.56% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
VAS
VR Advisory Services Camana Bay, Grand Cayman, Cayman Islands $845M AUM 22.79% 1-Year Est. Return
PCM
Ping Capital Management New York $401M AUM 32.08% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Balyasny Asset Management
Balyasny Asset Management Chicago, Illinois $77.1B AUM 42.89% 1-Year Est. Return
AGDI
Absolute Gestao de Investimentos Sao Paulo, Brazil $877M AUM 57.36% 1-Year Est. Return

William Blair Investment Management's PAM Position: Q3 2025 in Review

William Blair Investment Management sold out of Pampa Energía (PAM) in Q3 2025, closing a stake of 89,640 shares — an estimated $6.22M sold.

William Blair Investment Management first reported a position in PAM in Q4 2016 and held it in 11 quarters. The position peaked at $42.4M in Q2 2017. 70 funds tracked by Wall St. Rank hold PAM as of Q3 2025.

  • William Blair Investment Management reported no remaining Pampa Energía position as of Q3 2025 after selling out during the quarter.
  • William Blair Investment Management sold 89,640 Pampa Energía shares in Q3 2025, an estimated $6.22M.
  • William Blair Investment Management first reported a position in Pampa Energía in Q4 2016 and held it in 11 quarters.
  • William Blair Investment Management's Pampa Energía position peaked at $42.4M in Q2 2017.
  • 70 funds tracked by Wall St. Rank held Pampa Energía as of Q3 2025.

Based on William Blair Investment Management's 13F filing for Q3 2025, filed 12 Nov 2025.