Citadel Advisors
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Citadel Advisors’s Maximus MMS Stock Holding History

Citadel Advisors’s Portfolio MMS Stock Details MMS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$6.42M Buy
100,102
+61,904
+162% +$5.03M ﹤0.01% 3946
2025
Q4 		$3.3M Sell
38,198
-212,445
-85% -$18.2M ﹤0.01% 4993
2025
Q3 		$22.9M Sell
250,643
-31,263
-11% -$2.53M ﹤0.01% 2160
2025
Q2 		$19.8M Buy
281,906
+143,105
+103% +$10.1M ﹤0.01% 2147
2025
Q1 		$9.46M Sell
138,801
-187,930
-58% -$13.4M ﹤0.01% 2929
2024
Q4 		$24.4M Buy
326,731
+71,862
+28% +$5.86M ﹤0.01% 1952
2024
Q3 		$23.7M Buy
254,869
+64,837
+34% +$5.8M ﹤0.01% 1872
2024
Q2 		$16.3M Buy
190,032
+60,248
+46% +$5.06M ﹤0.01% 2213
2024
Q1 		$10.9M Buy
129,784
+112,621
+656% +$9.26M ﹤0.01% 2840
2023
Q4 		$1.44M Sell
17,163
-59,918
-78% -$4.78M ﹤0.01% 5967
2023
Q3 		$5.76M Buy
77,081
+76,229
+8,947% +$6.21M ﹤0.01% 3434
2023
Q2 		$72K Sell
852
-84,897
-99% -$6.98M ﹤0.01% 11361
2023
Q1 		$6.75M Buy
85,749
+61,654
+256% +$4.75M ﹤0.01% 3332
2022
Q4 		$1.77M Buy
+24,095
New +$1.55M ﹤0.01% 5708
2022
Q3 		– Sell
-53,154
Closed -$3.31M – 13225
2022
Q2 		$3.32M Buy
+53,154
New +$3.59M ﹤0.01% 4572
2022
Q1 		– Sell
-31,351
Closed -$2.4M – 14209
2021
Q4 		$2.5M Buy
31,351
+959
+3% +$78.4K ﹤0.01% 5731
2021
Q3 		$2.53M Sell
30,392
-63,522
-68% -$5.44M ﹤0.01% 5780
2021
Q2 		$8.26M Sell
93,914
-49,730
-35% -$4.56M ﹤0.01% 3420
2021
Q1 		$12.8M Sell
143,644
-117,917
-45% -$9.64M ﹤0.01% 2608
2020
Q4 		$19.1M Buy
261,561
+188,806
+260% +$13.4M 0.01% 1852
2020
Q3 		$4.98M Sell
72,755
-45,756
-39% -$3.37M ﹤0.01% 3163
2020
Q2 		$8.35M Buy
118,511
+42,867
+57% +$2.88M ﹤0.01% 2440
2020
Q1 		$4.4M Sell
75,644
-171,400
-69% -$11.6M ﹤0.01% 2902
2019
Q4 		$18.4M Buy
247,044
+187,209
+313% +$14.1M 0.01% 1564
2019
Q3 		$4.62M Buy
59,835
+9,171
+18% +$696K ﹤0.01% 3221
2019
Q2 		$3.67M Buy
50,664
+16,505
+48% +$1.2M ﹤0.01% 3539
2019
Q1 		$2.42M Sell
34,159
-67,360
-66% -$4.72M ﹤0.01% 4133
2018
Q4 		$6.61M Sell
101,519
-40,209
-28% -$2.65M ﹤0.01% 2415
2018
Q3 		$9.22M Buy
141,728
+36,986
+35% +$2.4M ﹤0.01% 2199
2018
Q2 		$6.5M Buy
104,742
+30,783
+42% +$2M ﹤0.01% 2427
2018
Q1 		$4.94M Sell
73,959
-14,177
-16% -$964K ﹤0.01% 2471
2017
Q4 		$6.31M Sell
88,136
-43,432
-33% -$2.92M ﹤0.01% 2195
2017
Q3 		$8.49M Buy
131,568
+71,046
+117% +$4.36M 0.01% 1751
2017
Q2 		$3.79M Buy
60,522
+38,575
+176% +$2.39M ﹤0.01% 2415
2017
Q1 		$1.36M Sell
21,947
-32,273
-60% -$1.9M ﹤0.01% 3553
2016
Q4 		$3.02M Buy
54,220
+44,566
+462% +$2.42M ﹤0.01% 2486
2016
Q3 		$546K Buy
+9,654
New +$562K ﹤0.01% 4730
2016
Q2 		– Sell
-81,660
Closed -$4.4M – 7170
2016
Q1 		$4.3M Buy
+81,660
New +$4.16M 0.01% 1898
2015
Q1 		– Sell
-171,823
Closed -$9.42M – 8722
2014
Q4 		$9.42M Buy
171,823
+158,663
+1,206% +$7.71M 0.01% 1442
2014
Q3 		$528K Sell
13,160
-56,139
-81% -$2.32M ﹤0.01% 4540
2014
Q2 		$2.98M Sell
69,299
-61,143
-47% -$2.63M ﹤0.01% 2346
2014
Q1 		$5.85M Buy
130,442
+45,308
+53% +$2.05M 0.01% 1640
2013
Q4 		$3.75M Buy
85,134
+74,667
+713% +$3.44M ﹤0.01% 1928
2013
Q3 		$471K Sell
10,467
-2,357
-18% -$91.2K ﹤0.01% 3876
2013
Q2 		$478K Buy
+12,824
New +$490K ﹤0.01% 3880

Other funds holding MMS

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $29.7B AUM 43.33% 1-Year Est. Return
Mackenzie Financial
Mackenzie Financial Toronto Ontario, Ontario, Canada $83.3B AUM 31.19% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
VBA
Van Berkom & Associates Montreal, Quebec, Canada $3.08B AUM 12.07% 1-Year Est. Return

Citadel Advisors's MMS Position: Q1 2026 in Review

Citadel Advisors increased its Maximus (MMS) stake by 162% in Q1 2026, buying an estimated $5.03M and bringing the position to 100,102 shares worth $6.42M. The position accounts for ﹤0.01% of the portfolio, ranked #3946.

Citadel Advisors first reported a position in MMS in Q2 2013 and has held it in 45 quarters since. The position peaked at $24.4M in Q4 2024. 371 funds tracked by Wall St. Rank hold MMS as of Q1 2026.

  • Citadel Advisors held 100,102 shares of Maximus worth $6.42M as of Q1 2026.
  • Citadel Advisors bought 61,904 Maximus shares in Q1 2026, an estimated $5.03M.
  • Maximus made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #3946 holding.
  • Citadel Advisors first reported a position in Maximus in Q2 2013 and has held it in 45 quarters since.
  • Citadel Advisors's Maximus position peaked at $24.4M in Q4 2024.
  • 371 funds tracked by Wall St. Rank held Maximus as of Q1 2026.

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