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Armstrong Advisory Group’s Amprius Technologies AMPX Stock Holding History

Armstrong Advisory Group’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 		– Sell
-1,122
Closed -$15.6K – 1044
2026
Q2 		$15.6K Buy
1,122
+974
+658% +$17.4K ﹤0.01% 642
2026
Q1 		$2.5K Hold
148
– – ﹤0.01% 852
2025
Q4 		$1.17K Buy
+148
New +$1.69K ﹤0.01% 904

Other funds holding AMPX

BIP
Bouvel Investment Partners Phoenixville, Pennsylvania $433M AUM 51.2% 1-Year Est. Return
Zevenbergen Capital Investments
Zevenbergen Capital Investments Edmonds, Washington $4.37B AUM 52.9% 1-Year Est. Return
BRWA
B. Riley Wealth Advisors Boca Raton, Florida $2.57B AUM 28.13% 1-Year Est. Return
MPPW
Mitchell & Pahl Private Wealth Oklahoma City, Oklahoma $277M AUM 23.93% 1-Year Est. Return
CPBTD
Central Pacific Bank - Trust Division Honolulu, Hawaii $952M AUM 25.15% 1-Year Est. Return
BONH
Bank of New Hampshire Laconia, New Hampshire $463M AUM 23.57% 1-Year Est. Return
Eastern Bank
Eastern Bank Boston, Massachusetts $6.58B AUM 23.57% 1-Year Est. Return
GAMMA Investing
GAMMA Investing Foster City, California $2.96B AUM 34.38% 1-Year Est. Return
Farther Finance Advisors
Farther Finance Advisors San Francisco, California $14.2B AUM 18.33% 1-Year Est. Return
NL
NVWM LLC Yardley, Pennsylvania $533M AUM 27.53% 1-Year Est. Return

Armstrong Advisory Group's AMPX Position: Q3 2026 in Review

Armstrong Advisory Group sold out of Amprius Technologies (AMPX) in Q3 2026, closing a stake of 1,122 shares — an estimated $15.6K sold.

Armstrong Advisory Group first reported a position in AMPX in Q4 2025 and held it in 3 quarters. The position peaked at $15.6K in Q2 2026. 15 funds tracked by Wall St. Rank hold AMPX as of Q3 2026.

  • Armstrong Advisory Group reported no remaining Amprius Technologies position as of Q3 2026 after selling out during the quarter.
  • Armstrong Advisory Group sold 1,122 Amprius Technologies shares in Q3 2026, an estimated $15.6K.
  • Armstrong Advisory Group first reported a position in Amprius Technologies in Q4 2025 and held it in 3 quarters.
  • Armstrong Advisory Group's Amprius Technologies position peaked at $15.6K in Q2 2026.
  • 15 funds tracked by Wall St. Rank held Amprius Technologies as of Q3 2026.

Based on Armstrong Advisory Group's 13F filing for Q3 2026, filed 9 Oct 2026.