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Joel Greenblatt’s Ambarella AMBA Stock Holding History

Joel Greenblatt’s Portfolio AMBA Stock Details AMBA Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-2,672
Closed -$220K – 1722
2025
Q3 		$220K Buy
+2,672
New +$194K ﹤0.01% 1596
2025
Q2 		– Sell
-4,748
Closed -$239K – 1660
2025
Q1 		$239K Sell
4,748
-9,771
-67% -$669K ﹤0.01% 1434
2024
Q4 		$1.06M Buy
+14,519
New +$925K 0.01% 899
2022
Q1 		– Sell
-2,070
Closed -$420K – 1128
2021
Q4 		$420K Buy
+2,070
New +$384K 0.01% 831
2020
Q1 		– Sell
-13,694
Closed -$829K – 1066
2019
Q4 		$829K Buy
13,694
+10,216
+294% +$566K 0.02% 669
2019
Q3 		$219K Buy
+3,478
New +$180K ﹤0.01% 989
2016
Q2 		– Sell
-113,353
Closed -$5.07M – 942
2016
Q1 		$5.07M Sell
113,353
-292,881
-72% -$12.1M 0.06% 429
2015
Q4 		$22.6M Buy
406,234
+20,961
+5% +$1.18M 0.25% 138
2015
Q3 		$22.3M Buy
+385,273
New +$36.4M 0.22% 162
2015
Q2 		– Sell
-13,619
Closed -$1.03M – 912
2015
Q1 		$1.03M Sell
13,619
-24,755
-65% -$1.5M 0.01% 596
2014
Q4 		$1.95M Buy
38,374
+25,918
+208% +$1.21M 0.02% 518
2014
Q3 		$544K Sell
12,456
-17,366
-58% -$575K 0.01% 750
2014
Q2 		$930K Sell
29,822
-35,582
-54% -$941K 0.01% 660
2014
Q1 		$4.2M Buy
+65,404
New +$2M 0.06% 393

Other funds holding AMBA

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
JCAM
Jericho Capital Asset Management New York $12.1B AUM 109.57% 1-Year Est. Return
Manulife (Manufacturers Life Insurance)
Manulife (Manufacturers Life Insurance) Canada, Ontario, Canada $128B AUM 35.83% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $36.7B AUM 74.15% 1-Year Est. Return
SPC
Slate Path Capital New York $7.22B AUM 110.75% 1-Year Est. Return

Joel Greenblatt's AMBA Position: Q4 2025 in Review

Joel Greenblatt sold out of Ambarella (AMBA) in Q4 2025, closing a stake of 2,672 shares — an estimated $220K sold.

Joel Greenblatt first reported a position in AMBA in Q1 2014 and held it in 14 quarters. The position peaked at $22.6M in Q4 2015. 324 funds tracked by Wall St. Rank hold AMBA as of Q4 2025.

  • Joel Greenblatt reported no remaining Ambarella position as of Q4 2025 after selling out during the quarter.
  • Joel Greenblatt sold 2,672 Ambarella shares in Q4 2025, an estimated $220K.
  • Joel Greenblatt first reported a position in Ambarella in Q1 2014 and held it in 14 quarters.
  • Joel Greenblatt's Ambarella position peaked at $22.6M in Q4 2015.
  • 324 funds tracked by Wall St. Rank held Ambarella as of Q4 2025.

Based on Gotham Asset Management's 13F filing for Q4 2025, filed 17 Feb 2026.