Citigroup
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Citigroup’s Amprius Technologies AMPX Stock Holding History

Citigroup’s Portfolio AMPX Stock Details AMPX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q3 		$5.93M Buy
612,136
+511,040
+505% +$5.34M ﹤0.01% 2001
2026
Q2 		$1.4M Buy
101,096
+87,841
+663% +$1.57M ﹤0.01% 3202
2026
Q1 		$223K Sell
13,255
-61,509
-82% -$802K ﹤0.01% 3960
2025
Q4 		$590K Sell
74,764
-21,966
-23% -$251K ﹤0.01% 3482
2025
Q3 		$1.02M Buy
96,730
+62,374
+182% +$491K ﹤0.01% 3150
2025
Q2 		$145K Buy
34,356
+22,199
+183% +$62.4K ﹤0.01% 4220
2025
Q1 		$32.6K Sell
12,157
-3,351
-22% -$9.9K ﹤0.01% 4993
2024
Q4 		$43.4K Buy
15,508
+3,565
+30% +$6.23K ﹤0.01% 5122
2024
Q3 		$13.3K Buy
11,943
+8,893
+292% +$9.8K ﹤0.01% 5249
2024
Q2 		$3.87K Buy
3,050
+2,125
+230% +$3.47K ﹤0.01% 5284
2024
Q1 		$2.45K Buy
925
+315
+52% +$1.17K ﹤0.01% 5375
2023
Q4 		$3.23K Buy
610
+606
+15,150% +$2.28K ﹤0.01% 5375
2023
Q3 		$19 Sell
4
-1,596
-100% -$9.4K ﹤0.01% 5586
2023
Q2 		$11.5K Buy
+1,600
New +$13.7K ﹤0.01% 5045

Other funds holding AMPX

TimesSquare Capital Management
TimesSquare Capital Management New York $6.12B AUM 30.01% 1-Year Est. Return
PIP
Palisades Investment Partners Santa Monica, California $344M AUM 44.86% 1-Year Est. Return
Oppenheimer & Co
Oppenheimer & Co New York $9.5B AUM 27.65% 1-Year Est. Return
Allspring Global Investments
Allspring Global Investments Charlotte, North Carolina $64.1B AUM 28.9% 1-Year Est. Return
Essex Investment Management
Essex Investment Management Boston, Massachusetts $675M AUM 61.81% 1-Year Est. Return
ALPS Advisors
ALPS Advisors Denver, Colorado $21.8B AUM 17.58% 1-Year Est. Return
Bouvel Investment Partners
Bouvel Investment Partners Phoenixville, Pennsylvania $433M AUM 51.2% 1-Year Est. Return
Huntleigh Advisors
Huntleigh Advisors St. Louis, Missouri $715M AUM 45.09% 1-Year Est. Return
SLT Holdings
SLT Holdings Scottsdale, Arizona $171M AUM 34.87% 1-Year Est. Return
Brown Capital Management
Brown Capital Management Baltimore, Maryland $527M AUM 33.67% 1-Year Est. Return

Citigroup's AMPX Position: Q3 2026 in Review

Citigroup increased its Amprius Technologies (AMPX) stake by 505% in Q3 2026, buying an estimated $5.34M and bringing the position to 612,136 shares worth $5.93M. The position accounts for ﹤0.01% of the portfolio, ranked #2001.

Citigroup first reported a position in AMPX in Q2 2023 and has held it in 14 quarters since. 80 funds tracked by Wall St. Rank hold AMPX as of Q3 2026.

  • Citigroup held 612,136 shares of Amprius Technologies worth $5.93M as of Q3 2026.
  • Citigroup bought 511,040 Amprius Technologies shares in Q3 2026, an estimated $5.34M.
  • Amprius Technologies made up ﹤0.01% of Citigroup's portfolio in Q3 2026, its #2001 holding.
  • Citigroup first reported a position in Amprius Technologies in Q2 2023 and has held it in 14 quarters since.
  • 80 funds tracked by Wall St. Rank held Amprius Technologies as of Q3 2026.

Based on Citigroup's 13F filing for Q3 2026, filed 4 Nov 2026.