State of Wisconsin Investment Board’s Ambarella AMBA Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q2 | $905K | Buy |
10,547
+1,053
| +11% | +$72.5K | ﹤0.01% | 1818 |
|
|
2026
Q1 | $489K | Buy |
9,494
+1,191
| +14% | +$74.3K | ﹤0.01% | 2011 |
|
|
2025
Q4 | $588K | Sell |
8,303
-3,120
| -27% | -$252K | ﹤0.01% | 1877 |
|
|
2025
Q3 | $943K | Sell |
11,423
-14
| -0.1% | -$1.02K | ﹤0.01% | 1645 |
|
|
2025
Q2 | $756K | Buy |
11,437
+7,281
| +175% | +$386K | ﹤0.01% | 1687 |
|
|
2025
Q1 | $209K | Buy |
4,156
+540
| +15% | +$37K | ﹤0.01% | 2099 |
|
|
2024
Q4 | $263K | Buy |
+3,616
| New | +$230K | ﹤0.01% | 2057 |
|
|
2024
Q1 | – | Sell |
-24,663
| Closed | -$1.51M | – | 2222 |
|
|
2023
Q4 | $1.51M | Sell |
24,663
-21,642
| -47% | -$1.18M | ﹤0.01% | 1294 |
|
|
2023
Q3 | $2.46M | Sell |
46,305
-274
| -0.6% | -$19.2K | 0.01% | 1189 |
|
|
2023
Q2 | $3.9M | Sell |
46,579
-7,124
| -13% | -$521K | 0.01% | 1085 |
|
|
2023
Q1 | $4.16M | Sell |
53,703
-6,511
| -11% | -$557K | 0.01% | 1059 |
|
|
2022
Q4 | $4.95M | Sell |
60,214
-2,228
| -4% | -$148K | 0.02% | 948 |
|
|
2022
Q3 | $3.51M | Sell |
62,442
-14,381
| -19% | -$1.07M | 0.01% | 1110 |
|
|
2022
Q2 | $5.03M | Sell |
76,823
-20,477
| -21% | -$1.65M | 0.01% | 992 |
|
|
2022
Q1 | $10.2M | Sell |
97,300
-1,500
| -2% | -$191K | 0.02% | 777 |
|
|
2021
Q4 | $20M | Sell |
98,800
-400
| -0.4% | -$74.2K | 0.04% | 477 |
|
|
2021
Q3 | $15.4M | Sell |
99,200
-600
| -0.6% | -$69K | 0.03% | 576 |
|
|
2021
Q2 | $10.6M | Hold |
99,800
| – | – | 0.02% | 724 |
|
|
2021
Q1 | $10M | Hold |
99,800
| – | – | 0.02% | 735 |
|
|
2020
Q4 | $9.16M | Sell |
99,800
-12,400
| -11% | -$868K | 0.02% | 717 |
|
|
2020
Q3 | $5.86M | Sell |
112,200
-6,200
| -5% | -$300K | 0.01% | 882 |
|
|
2020
Q2 | $5.42M | Buy |
118,400
+9,900
| +9% | +$510K | 0.02% | 857 |
|
|
2020
Q1 | $5.27M | Sell |
108,500
-9,300
| -8% | -$533K | 0.02% | 764 |
|
|
2019
Q4 | $7.13M | Hold |
117,800
| – | – | 0.02% | 816 |
|
|
2019
Q3 | $7.4M | Sell |
117,800
-25,200
| -18% | -$1.31M | 0.02% | 721 |
|
|
2019
Q2 | $6.31M | Sell |
143,000
-33,200
| -19% | -$1.49M | 0.02% | 763 |
|
|
2019
Q1 | $7.61M | Buy |
176,200
+36,200
| +26% | +$1.43M | 0.02% | 716 |
|
|
2018
Q4 | $4.9M | Hold |
140,000
| – | – | 0.02% | 781 |
|
|
2018
Q3 | $5.42M | Hold |
140,000
| – | – | 0.02% | 863 |
|
|
2018
Q2 | $5.41M | Sell |
140,000
-10,000
| -7% | -$473K | 0.02% | 857 |
|
|
2018
Q1 | $7.35M | Hold |
150,000
| – | – | 0.02% | 749 |
|
|
2017
Q4 | $8.81M | Hold |
150,000
| – | – | 0.02% | 685 |
|
|
2017
Q3 | $7.35M | Hold |
150,000
| – | – | 0.02% | 729 |
|
|
2017
Q2 | $7.28M | Buy |
150,000
+4,356
| +3% | +$241K | 0.02% | 702 |
|
|
2017
Q1 | $7.97M | Hold |
145,644
| – | – | 0.03% | 607 |
|
|
2016
Q4 | $7.88M | Buy |
145,644
+35,644
| +32% | +$2.15M | 0.03% | 568 |
|
|
2016
Q3 | $8.1M | Hold |
110,000
| – | – | 0.03% | 602 |
|
|
2016
Q2 | $5.59M | Hold |
110,000
| – | – | 0.02% | 707 |
|
|
2016
Q1 | $4.92M | Buy |
110,000
+30,000
| +38% | +$1.24M | 0.02% | 766 |
|
|
2015
Q4 | $4.46M | Buy |
80,000
+20,000
| +33% | +$1.13M | 0.02% | 818 |
|
|
2015
Q3 | $3.47M | Buy |
+60,000
| New | +$5.67M | 0.01% | 915 |
|
Other funds holding AMBA
MMH
SIMG
State of Wisconsin Investment Board's AMBA Position: Q2 2026 in Review
State of Wisconsin Investment Board increased its Ambarella (AMBA) stake by 11% in Q2 2026, buying an estimated $72.5K and bringing the position to 10,547 shares worth $905K. The position accounts for ﹤0.01% of the portfolio, ranked #1818.
State of Wisconsin Investment Board first reported a position in AMBA in Q3 2015 and has held it in 41 quarters since. The position peaked at $20M in Q4 2021. 339 funds tracked by Wall St. Rank hold AMBA as of Q2 2026.
- State of Wisconsin Investment Board held 10,547 shares of Ambarella worth $905K as of Q2 2026.
- State of Wisconsin Investment Board bought 1,053 Ambarella shares in Q2 2026, an estimated $72.5K.
- Ambarella made up ﹤0.01% of State of Wisconsin Investment Board's portfolio in Q2 2026, its #1818 holding.
- State of Wisconsin Investment Board first reported a position in Ambarella in Q3 2015 and has held it in 41 quarters since.
- State of Wisconsin Investment Board's Ambarella position peaked at $20M in Q4 2021.
- 339 funds tracked by Wall St. Rank held Ambarella as of Q2 2026.
Based on State of Wisconsin Investment Board's 13F filing for Q2 2026, filed 14 Aug 2026.