William Blair Investment Management
AAT

William Blair Investment Management’s American Assets Trust AAT Stock Holding History

William Blair Investment Management’s Portfolio AAT Stock Details AAT Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2021
Q3 		– Sell
-26,591
Closed -$992K – 431
2021
Q2 		$992K Sell
26,591
-204,215
-88% -$7.27M ﹤0.01% 323
2021
Q1 		$7.49M Sell
230,806
-134,699
-37% -$4.16M 0.02% 322
2020
Q4 		$10.6M Sell
365,505
-43,461
-11% -$1.16M 0.04% 296
2020
Q3 		$9.85M Buy
408,966
+104,059
+34% +$2.7M 0.04% 272
2020
Q2 		$8.49M Sell
304,907
-30,148
-9% -$825K 0.03% 267
2020
Q1 		$8.38M Buy
335,055
+46,874
+16% +$1.9M 0.04% 244
2019
Q4 		$13.2M Sell
288,181
-13,703
-5% -$640K 0.05% 246
2019
Q3 		$14.1M Sell
301,884
-18,937
-6% -$889K 0.06% 260
2019
Q2 		$15.1M Sell
320,821
-52,103
-14% -$2.4M 0.06% 264
2019
Q1 		$17.1M Sell
372,924
-259,580
-41% -$11.2M 0.07% 244
2018
Q4 		$25.4M Buy
632,504
+14,103
+2% +$549K 0.13% 159
2018
Q3 		$23.1M Buy
618,401
+17,220
+3% +$661K 0.08% 217
2018
Q2 		$23M Sell
601,181
-19,883
-3% -$704K 0.09% 223
2018
Q1 		$20.8M Sell
621,064
-22,024
-3% -$747K 0.08% 229
2017
Q4 		$24.6M Buy
643,088
+131,940
+26% +$5.19M 0.1% 218
2017
Q3 		$20.3M Sell
511,148
-989
-0.2% -$39.7K 0.07% 247
2017
Q2 		$20.2M Sell
512,137
-3,167
-0.6% -$130K 0.07% 241
2017
Q1 		$21.6M Sell
515,304
-1,780
-0.3% -$76.2K 0.08% 222
2016
Q4 		$22.3M Buy
517,084
+43,551
+9% +$1.78M 0.09% 214
2016
Q3 		$20.5M Sell
473,533
-7,366
-2% -$326K 0.08% 218
2016
Q2 		$20.4M Sell
480,899
-10,104
-2% -$406K 0.08% 213
2016
Q1 		$19.6M Sell
491,003
-5,683
-1% -$212K 0.08% 210
2015
Q4 		$19M Sell
496,686
-124,880
-20% -$5.06M 0.08% 206
2015
Q3 		$25.4M Buy
+621,566
New +$25M 0.05% 440

Other funds holding AAT

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
AAI
American Assets Inc San Diego, California $298M AUM 2.03% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Principal Financial Group
Principal Financial Group Des Moines, Iowa $187B AUM 18.48% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
CRM
Cramer Rosenthal McGlynn Stamford, Connecticut $1.36B AUM 31.72% 1-Year Est. Return
Macquarie Group
Macquarie Group Sydney, NSW 2000, Australia $16.8B AUM 27.39% 1-Year Est. Return
AAIM
American Assets Investment Management San Diego, California $1.47B AUM 43% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return

William Blair Investment Management's AAT Position: Q3 2021 in Review

William Blair Investment Management sold out of American Assets Trust (AAT) in Q3 2021, closing a stake of 26,591 shares — an estimated $992K sold.

William Blair Investment Management first reported a position in AAT in Q3 2015 and held it in 24 quarters. The position peaked at $25.4M in Q4 2018. 186 funds tracked by Wall St. Rank hold AAT as of Q3 2021.

  • William Blair Investment Management reported no remaining American Assets Trust position as of Q3 2021 after selling out during the quarter.
  • William Blair Investment Management sold 26,591 American Assets Trust shares in Q3 2021, an estimated $992K.
  • William Blair Investment Management first reported a position in American Assets Trust in Q3 2015 and held it in 24 quarters.
  • William Blair Investment Management's American Assets Trust position peaked at $25.4M in Q4 2018.
  • 186 funds tracked by Wall St. Rank held American Assets Trust as of Q3 2021.

Based on William Blair Investment Management's 13F filing for Q3 2021, filed 10 Nov 2021.