Citadel Advisors’s Align Technology ALGN Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$23.7M Sell
138,400
-90,900
-40% -$15.9M ﹤0.01% 2124
2025
Q4
$35.8M Sell
229,300
-98,100
-30% -$14.1M 0.01% 1740
2025
Q3
$41M Buy
327,400
+176,400
+117% +$27.6M 0.01% 1580
2025
Q2
$28.6M Sell
151,000
-54,300
-26% -$9.59M 0.01% 1734
2025
Q1
$32.6M Buy
205,300
+94,700
+86% +$18.6M 0.01% 1510
2024
Q4
$23.1M Sell
110,600
-60,600
-35% -$13.5M ﹤0.01% 2024
2024
Q3
$43.5M Sell
171,200
-27,100
-14% -$6.39M 0.01% 1349
2024
Q2
$47.9M Buy
198,300
+21,100
+12% +$5.87M 0.01% 1184
2024
Q1
$58.1M Sell
177,200
-221,000
-55% -$64.8M 0.01% 1089
2023
Q4
$109M Buy
398,200
+216,400
+119% +$51.3M 0.02% 630
2023
Q3
$55.5M Sell
181,800
-71,200
-28% -$24.6M 0.01% 986
2023
Q2
$89.5M Sell
253,000
-162,900
-39% -$51.9M 0.02% 677
2023
Q1
$139M Sell
415,900
-28,800
-6% -$8.5M 0.03% 467
2022
Q4
$93.8M Sell
444,700
-76,800
-15% -$15.4M 0.02% 685
2022
Q3
$108M Buy
521,500
+33,700
+7% +$8.68M 0.02% 571
2022
Q2
$115M Sell
487,800
-231,000
-32% -$71M 0.03% 503
2022
Q1
$313M Buy
718,800
+537,200
+296% +$261M 0.06% 199
2021
Q4
$119M Buy
181,600
+47,700
+36% +$30.7M 0.02% 565
2021
Q3
$89.1M Buy
133,900
+36,500
+37% +$24.8M 0.02% 724
2021
Q2
$59.5M Sell
97,400
-32,700
-25% -$19.4M 0.01% 996
2021
Q1
$70.5M Buy
130,100
+12,500
+11% +$6.91M 0.02% 783
2020
Q4
$62.8M Hold
117,600
0.02% 799
2020
Q3
$38.5M Buy
117,600
+1,100
+0.9% +$336K 0.01% 1034
2020
Q2
$32M Buy
116,500
+20,200
+21% +$4.55M 0.01% 1113
2020
Q1
$16.8M Sell
96,300
-41,900
-30% -$10M 0.01% 1375
2019
Q4
$38.6M Sell
138,200
-7,000
-5% -$1.75M 0.02% 947
2019
Q3
$26.3M Sell
145,200
-41,000
-22% -$8.52M 0.01% 1243
2019
Q2
$51M Sell
186,200
-76,700
-29% -$23.2M 0.02% 716
2019
Q1
$74.8M Buy
262,900
+42,900
+20% +$10.2M 0.04% 502
2018
Q4
$46.1M Buy
220,000
+7,700
+4% +$1.95M 0.03% 671
2018
Q3
$83.1M Buy
212,300
+38,800
+22% +$14.3M 0.04% 484
2018
Q2
$59.4M Buy
173,500
+92,900
+115% +$27.7M 0.03% 606
2018
Q1
$20.2M Buy
80,600
+12,900
+19% +$3.31M 0.01% 1115
2017
Q4
$15M Buy
67,700
+14,500
+27% +$3.29M 0.01% 1367
2017
Q3
$9.91M Buy
53,200
+21,200
+66% +$3.63M 0.01% 1612
2017
Q2
$4.8M Buy
32,000
+5,500
+21% +$746K ﹤0.01% 2171
2017
Q1
$3.04M Sell
26,500
-17,100
-39% -$1.73M ﹤0.01% 2562
2016
Q4
$4.19M Sell
43,600
-300
-0.7% -$27.9K ﹤0.01% 2171
2016
Q3
$4.12M Buy
43,900
+31,700
+260% +$2.87M ﹤0.01% 2171
2016
Q2
$983K Sell
12,200
-10,600
-46% -$811K ﹤0.01% 3568
2016
Q1
$1.66M Buy
22,800
+9,200
+68% +$602K ﹤0.01% 2859
2015
Q4
$896K Buy
13,600
+1,400
+11% +$89.8K ﹤0.01% 3713
2015
Q3
$692K Sell
12,200
-14,300
-54% -$853K ﹤0.01% 4320
2015
Q2
$1.66M Buy
26,500
+5,800
+28% +$343K ﹤0.01% 3280
2015
Q1
$1.11M Sell
20,700
-4,900
-19% -$279K ﹤0.01% 3785
2014
Q4
$1.43M Buy
25,600
+13,000
+103% +$688K ﹤0.01% 3311
2014
Q3
$651K Sell
12,600
-11,400
-48% -$621K ﹤0.01% 4280
2014
Q2
$1.34M Sell
24,000
-8,800
-27% -$458K ﹤0.01% 3140
2014
Q1
$1.7M Sell
32,800
-1,500
-4% -$84K ﹤0.01% 2827
2013
Q4
$1.96M Buy
34,300
+14,600
+74% +$786K ﹤0.01% 2573
2013
Q3
$948K Sell
19,700
-16,700
-46% -$729K ﹤0.01% 3168
2013
Q2
$1.35M Buy
+36,400
New +$1.25M ﹤0.01% 2883

Other funds holding ALGN

Citadel Advisors's ALGN Position: Q1 2026 in Review

Citadel Advisors increased its Align Technology (ALGN) stake by 40% in Q1 2026, buying an estimated $36.7M and bringing the position to 730,025 shares worth $125M. The position accounts for 0.02% of the portfolio, ranked #671.

Citadel Advisors first reported a position in ALGN in Q2 2013 and has held it in 50 quarters since. The position peaked at $451M in Q1 2023. 688 funds tracked by Wall St. Rank hold ALGN as of Q1 2026.

  • Citadel Advisors held 730,025 shares of Align Technology worth $125M as of Q1 2026.
  • Citadel Advisors bought 209,574 Align Technology shares in Q1 2026, an estimated $36.7M.
  • Align Technology made up 0.02% of Citadel Advisors's portfolio in Q1 2026, its #671 holding.
  • Citadel Advisors first reported a position in Align Technology in Q2 2013 and has held it in 50 quarters since.
  • Citadel Advisors's Align Technology position peaked at $451M in Q1 2023.
  • 688 funds tracked by Wall St. Rank held Align Technology as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.