SEI Investments
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SEI Investments’s Amplitude AMPL Stock Holding History

SEI Investments’s Portfolio AMPL Stock Details AMPL Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		– Sell
-100,035
Closed -$682K – 3279
2026
Q1 		$682K Sell
100,035
-3,278
-3% -$27.1K ﹤0.01% 2539
2025
Q4 		$1.2M Buy
103,313
+40,157
+64% +$422K ﹤0.01% 2104
2025
Q3 		$677K Buy
63,156
+32,470
+106% +$385K ﹤0.01% 2115
2025
Q2 		$381K Buy
30,686
+4,343
+16% +$47K ﹤0.01% 2302
2025
Q1 		$268K Buy
+26,343
New +$311K ﹤0.01% 2382
2022
Q4 		– Sell
-17,465
Closed -$270K – 2525
2022
Q3 		$270K Sell
17,465
-26,535
-60% -$425K ﹤0.01% 2350
2022
Q2 		$629K Buy
+44,000
New +$772K ﹤0.01% 2010

Other funds holding AMPL

Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
SUT
SC US (TTGP) Menlo Park, California $31.9B AUM 28.45% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
TI
Trigran Investments Northbrook, Illinois $545M AUM 56.2% 1-Year Est. Return
Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $110B AUM 4.8% 1-Year Est. Return

SEI Investments's AMPL Position: Q2 2026 in Review

SEI Investments sold out of Amplitude (AMPL) in Q2 2026, closing a stake of 100,035 shares — an estimated $682K sold.

SEI Investments first reported a position in AMPL in Q2 2022 and held it in 7 quarters. The position peaked at $1.2M in Q4 2025. 203 funds tracked by Wall St. Rank hold AMPL as of Q2 2026.

  • SEI Investments reported no remaining Amplitude position as of Q2 2026 after selling out during the quarter.
  • SEI Investments sold 100,035 Amplitude shares in Q2 2026, an estimated $682K.
  • SEI Investments first reported a position in Amplitude in Q2 2022 and held it in 7 quarters.
  • SEI Investments's Amplitude position peaked at $1.2M in Q4 2025.
  • 203 funds tracked by Wall St. Rank held Amplitude as of Q2 2026.

Based on SEI Investments's 13F filing for Q2 2026, filed 14 Aug 2026.