DCM
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Driehaus Capital Management’s Astronics ATRO Stock Holding History

Driehaus Capital Management’s Portfolio ATRO Stock Details ATRO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$21.8M Sell
391,765
-408,033
-51% -$24.6M 0.16% 190
2025
Q4 		$36.2M Buy
799,798
+486,832
+156% +$20.4M 0.25% 133
2025
Q3 		$11.9M Buy
+312,966
New +$9.52M 0.09% 263
2015
Q4 		– Sell
-63,789
Closed -$1.41M – 546
2015
Q3 		$1.41M Sell
63,789
-11,799
-16% -$367K 0.05% 312
2015
Q2 		$2.94M Sell
75,588
-8,468
-10% -$334K 0.1% 268
2015
Q1 		$3.39M Buy
+84,056
New +$2.86M 0.12% 215
2014
Q3 		– Sell
-65,194
Closed -$1.68M – 533
2014
Q2 		$1.68M Sell
65,194
-216,842
-77% -$5.63M 0.06% 376
2014
Q1 		$8.17M Buy
282,036
+169,609
+151% +$4.77M 0.28% 98
2013
Q4 		$2.62M Sell
112,427
-62,755
-36% -$1.38M 0.1% 261
2013
Q3 		$3.18M Buy
+175,182
New +$2.82M 0.13% 220

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