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 		– Sell
-23,756
Closed -$164K – 11447
2026
Q1 		$162K Sell
23,756
-202,918
-90% -$1.67M ﹤0.01% 10325
2025
Q4 		$2.62M Sell
226,674
-267,527
-54% -$2.81M ﹤0.01% 4292
2025
Q3 		$5.3M Buy
494,201
+309,476
+168% +$3.67M ﹤0.01% 3339
2025
Q2 		$2.29M Sell
184,725
-132,228
-42% -$1.43M ﹤0.01% 4210
2025
Q1 		$3.23M Buy
+316,953
New +$3.74M ﹤0.01% 3605
2024
Q4 		– Sell
-72,028
Closed -$721K – 9318
2024
Q3 		$646K Sell
72,028
-56,149
-44% -$479K ﹤0.01% 6736
2024
Q2 		$1.14M Buy
128,177
+84,997
+197% +$798K ﹤0.01% 5523
2024
Q1 		$470K Sell
43,180
-35,467
-45% -$435K ﹤0.01% 6787
2023
Q4 		$1M Buy
+78,647
New +$873K ﹤0.01% 5555
2023
Q2 		– Sell
-11,759
Closed -$127K – 8614
2023
Q1 		$146K Sell
11,759
-57,207
-83% -$760K ﹤0.01% 8028
2022
Q4 		$833K Buy
+68,966
New +$977K ﹤0.01% 5260
2022
Q3 		– Sell
-96,153
Closed -$1.54M – 9630
2022
Q2 		$1.38M Sell
96,153
-41,606
-30% -$730K ﹤0.01% 4878
2022
Q1 		$2.54M Buy
137,759
+105,152
+322% +$3.19M ﹤0.01% 4285
2021
Q4 		$1.73M Sell
32,607
-23,670
-42% -$1.49M ﹤0.01% 4773
2021
Q3 		$3.06M Buy
+56,277
New +$3.06M ﹤0.01% 3615

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.