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 		$694K Buy
+90,700
New +$626K ﹤0.01% 7308
2026
Q1 		– Sell
-23,500
Closed -$272K – 11478
2025
Q4 		$272K Sell
23,500
-85,000
-78% -$894K ﹤0.01% 9061
2025
Q3 		$1.16M Sell
108,500
-13,300
-11% -$158K ﹤0.01% 5979
2025
Q2 		$1.51M Buy
121,800
+6,000
+5% +$64.9K ﹤0.01% 4881
2025
Q1 		$1.18M Buy
115,800
+104,500
+925% +$1.23M ﹤0.01% 5257
2024
Q4 		$119K Buy
11,300
+1,300
+13% +$13K ﹤0.01% 8688
2024
Q3 		$89.7K Sell
10,000
-32,300
-76% -$275K ﹤0.01% 9032
2024
Q2 		$376K Buy
42,300
+800
+2% +$7.51K ﹤0.01% 7454
2024
Q1 		$452K Buy
41,500
+19,900
+92% +$244K ﹤0.01% 6847
2023
Q4 		$275K Sell
21,600
-9,100
-30% -$101K ﹤0.01% 7732
2023
Q3 		$355K Buy
30,700
+100
+0.3% +$1.16K ﹤0.01% 6800
2023
Q2 		$337K Sell
30,600
-24,600
-45% -$265K ﹤0.01% 6944
2023
Q1 		$687K Buy
+55,200
New +$733K ﹤0.01% 5753
2022
Q4 		– Sell
-185,900
Closed -$2.88M – 9070
2022
Q3 		$2.88M Buy
185,900
+27,100
+17% +$434K ﹤0.01% 3526
2022
Q2 		$2.27M Buy
158,800
+62,500
+65% +$1.1M ﹤0.01% 3925
2022
Q1 		$1.77M Buy
96,300
+90,100
+1,453% +$2.74M ﹤0.01% 4973
2021
Q4 		$328K Buy
+6,200
New +$391K ﹤0.01% 8004

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.