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
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 $535B AUM 26.23% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
SUT
SC US (TTGP) Menlo Park, California $9.25B AUM 20.49% 1-Year Est. Return
Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $97.9B AUM 20.73% 1-Year Est. Return
N
Nuveen Charlotte, North Carolina $369B AUM 31.66% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Point72 Asset Management
Point72 Asset Management Stamford, Connecticut $78.1B AUM 55.25% 1-Year Est. Return

Jane Street's AMPL Position: Q1 2026 in Review

Jane Street reduced its Amplitude (AMPL) stake by 90% in Q1 2026, selling an estimated $1.67M and leaving 23,756 shares worth $162K. The position accounts for ﹤0.01% of the portfolio, ranked #10325.

Jane Street first reported a position in AMPL in Q3 2021 and has held it in 15 quarters since. The position peaked at $5.3M in Q3 2025. 218 funds tracked by Wall St. Rank hold AMPL as of Q1 2026.

  • Jane Street held 23,756 shares of Amplitude worth $162K as of Q1 2026.
  • Jane Street sold 202,918 Amplitude shares in Q1 2026, an estimated $1.67M.
  • Amplitude made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #10325 holding.
  • Jane Street first reported a position in Amplitude in Q3 2021 and has held it in 15 quarters since.
  • Jane Street's Amplitude position peaked at $5.3M in Q3 2025.
  • 218 funds tracked by Wall St. Rank held Amplitude as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.