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Livermore
Livermore
ZHEN

SEI Investments Co

SEC CIK
0000350894
Latest filing
Aug 14, 2026

AMBA holding history

Ambarella Inc in every 13F filed by SEI Investments Co, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

AMBA overviewAll 13F holders of AMBAFull Q2 2026 holdings

Shares (Q2 2026)
62,855
Value
$5.39M
% of portfolio
<0.1%
Quarters held
20
Since Q1 2021
Holdings of AMBA by SEI Investments Co, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 202662,855$5.39M<0.1%−26,284−29.5%ReducedHolders
Q1 202689,139$4.59M<0.1%+24,711+38.4%AddedHolders
Q4 202564,428$4.56M<0.1%+22,023+51.9%AddedHolders
Q3 202542,405$3.50M<0.1%−3,364−7.3%ReducedHolders
Q2 202545,769$3.02M<0.1%+21,200+86.3%AddedHolders
Q1 202524,569$1.24M<0.1%+13,610+124.2%AddedHolders
Q4 202410,959$797.2K<0.1%+1,639+17.6%AddedHolders
Q3 20249,320$525.7K<0.1%−39,143−80.8%ReducedHolders
Q2 202448,463$2.61M<0.1%+37,211+330.7%AddedHolders
Q1 202411,252$571.3K<0.1%+11,252NewHolders
Q4 20230$00.0%−7,908−100.0%Sold outHolders
Q3 20237,908$419.4K<0.1%−1,804−18.6%ReducedHolders
Q2 20239,712$812.6K<0.1%−25,692−72.6%ReducedHolders
Q1 202335,404$2.74M<0.1%+22,013+164.4%AddedHolders
Q4 202213,391$1.10M<0.1%+3,380+33.8%AddedHolders
Q3 202210,011$563.0K<0.1%−5,886−37.0%ReducedHolders
Q2 202215,897$1.04M<0.1%+8,626+118.6%AddedHolders
Q1 20227,271$763.0K<0.1%+2,347+47.7%AddedHolders
Q4 20214,924$999.0K<0.1%+3,600+271.9%AddedHolders
Q3 20211,324$206.0K<0.1%+1,324NewHolders
Q2 20210$00.0%−6,810−100.0%Sold outHolders
Q1 20216,810$684.0K<0.1%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.