Jane Street
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Jane Street’s Amplitude AMPL Stock Holding History

Jane Street’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 		$161K Sell
21,000
-12,600
-38% -$86.9K ﹤0.01% 10295
2026
Q1 		$229K Buy
33,600
+15,500
+86% +$128K ﹤0.01% 9832
2025
Q4 		$210K Sell
18,100
-15,900
-47% -$167K ﹤0.01% 9627
2025
Q3 		$364K Buy
+34,000
New +$403K ﹤0.01% 8524
2025
Q2 		– Sell
-10,300
Closed -$105K – 9535
2025
Q1 		$105K Buy
+10,300
New +$122K ﹤0.01% 8789
2024
Q2 		– Sell
-100,300
Closed -$1.09M – 9278
2024
Q1 		$1.09M Buy
+100,300
New +$1.23M ﹤0.01% 5254
2022
Q4 		– Sell
-39,800
Closed -$616K – 9071
2022
Q3 		$616K Sell
39,800
-34,400
-46% -$552K ﹤0.01% 6301
2022
Q2 		$1.06M Sell
74,200
-10,000
-12% -$175K ﹤0.01% 5379
2022
Q1 		$1.55M Buy
+84,200
New +$2.56M ﹤0.01% 5236

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

Jane Street's AMPL Position: Q2 2026 in Review

Jane Street sold out of Amplitude (AMPL) in Q2 2026, closing a stake of 23,756 shares — an estimated $164K sold.

Jane Street first reported a position in AMPL in Q3 2021 and held it in 15 quarters. The position peaked at $5.3M in Q3 2025. 203 funds tracked by Wall St. Rank hold AMPL as of Q2 2026.

  • Jane Street reported no remaining Amplitude position as of Q2 2026 after selling out during the quarter.
  • Jane Street sold 23,756 Amplitude shares in Q2 2026, an estimated $164K.
  • Jane Street first reported a position in Amplitude in Q3 2021 and held it in 15 quarters.
  • Jane Street's Amplitude position peaked at $5.3M in Q3 2025.
  • 203 funds tracked by Wall St. Rank held Amplitude as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.