Citadel Advisors
ALTR

Citadel Advisors’s Altair Engineering Inc ALTR Stock Holding History

Citadel Advisors’s Portfolio ALTR Stock Details ALTR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q1 		– Sell
-26,400
Closed -$2.88M – 15917
2024
Q4 		$2.88M Buy
26,400
+9,800
+59% +$1.01M ﹤0.01% 4907
2024
Q3 		$1.59M Sell
16,600
-900
-5% -$81.7K ﹤0.01% 5946
2024
Q2 		$1.72M Sell
17,500
-3,000
-15% -$264K ﹤0.01% 5604
2024
Q1 		$1.77M Buy
20,500
+5,400
+36% +$459K ﹤0.01% 5771
2023
Q4 		$1.27M Buy
15,100
+14,600
+2,920% +$1.02M ﹤0.01% 6214
2023
Q3 		$31.3K Sell
500
-5,000
-91% -$336K ﹤0.01% 12237
2023
Q2 		$417K Buy
5,500
+3,700
+206% +$265K ﹤0.01% 8331
2023
Q1 		$130K Buy
1,800
+1,200
+200% +$70.9K ﹤0.01% 10870
2022
Q4 		$27.3K Buy
+600
New +$28.1K ﹤0.01% 12848
2022
Q3 		– Sell
-6,600
Closed -$347K – 13814
2022
Q2 		$347K Buy
+6,600
New +$361K ﹤0.01% 9488
2019
Q2 		– Sell
-11,000
Closed -$405K – 9993
2019
Q1 		$405K Buy
+11,000
New +$370K ﹤0.01% 7142

Other funds holding ALTR

PS
Principal Securities Des Moines, Iowa $6.82B AUM 17.15% 1-Year Est. Return
IA
IFP Advisors Tampa, Florida $4.82B AUM 20.19% 1-Year Est. Return
HNB
Huntington National Bank Columbus, Ohio $18.1B AUM 24.69% 1-Year Est. Return

Citadel Advisors's ALTR Position: Q1 2025 in Review

Citadel Advisors sold out of Altair Engineering Inc (ALTR) in Q1 2025, closing a stake of 4,473 shares — an estimated $488K sold.

Citadel Advisors first reported a position in ALTR in Q4 2017 and held it in 27 quarters. The position peaked at $29.6M in Q1 2023. 3 funds tracked by Wall St. Rank hold ALTR as of Q1 2025.

  • Citadel Advisors reported no remaining Altair Engineering Inc position as of Q1 2025 after selling out during the quarter.
  • Citadel Advisors sold 4,473 Altair Engineering Inc shares in Q1 2025, an estimated $488K.
  • Citadel Advisors first reported a position in Altair Engineering Inc in Q4 2017 and held it in 27 quarters.
  • Citadel Advisors's Altair Engineering Inc position peaked at $29.6M in Q1 2023.
  • 3 funds tracked by Wall St. Rank held Altair Engineering Inc as of Q1 2025.

Based on Citadel Advisors's 13F filing for Q1 2025, filed 15 May 2025.