Citadel Advisors
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Citadel Advisors’s Cabaletta Bio CABA Stock Holding History

Citadel Advisors’s Portfolio CABA Stock Details CABA Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$221K Buy
+82,200
New +$228K ﹤0.01% 11205
2025
Q3 		– Sell
-28,800
Closed -$43.8K – 12839
2025
Q2 		$43.8K Sell
28,800
-105,500
-79% -$165K ﹤0.01% 11837
2025
Q1 		$186K Buy
134,300
+66,300
+98% +$141K ﹤0.01% 10556
2024
Q4 		$154K Buy
68,000
+30,100
+79% +$106K ﹤0.01% 10831
2024
Q3 		$179K Buy
37,900
+15,700
+71% +$90.8K ﹤0.01% 10312
2024
Q2 		$166K Buy
22,200
+5,200
+31% +$63.7K ﹤0.01% 10193
2024
Q1 		$290K Buy
17,000
+9,900
+139% +$212K ﹤0.01% 9512
2023
Q4 		$161K Sell
7,100
-2,200
-24% -$37K ﹤0.01% 10273
2023
Q3 		$142K Buy
9,300
+1,600
+21% +$21.9K ﹤0.01% 10448
2023
Q2 		$99.4K Sell
7,700
-4,300
-36% -$46.7K ﹤0.01% 10955
2023
Q1 		$99.2K Sell
12,000
-5,600
-32% -$52.4K ﹤0.01% 11273
2022
Q4 		$163K Sell
17,600
-300
-2% -$1.09K ﹤0.01% 10482
2022
Q3 		$12K Buy
+17,900
New +$21.6K ﹤0.01% 12221
2022
Q1 		– Sell
-44,100
Closed -$167K – 13641
2021
Q4 		$167K Buy
+44,100
New +$471K ﹤0.01% 12121
2021
Q3 		– Sell
-15,100
Closed -$130K – 13835
2021
Q2 		$130K Buy
+15,100
New +$148K ﹤0.01% 12660

Other funds holding CABA

T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
BCLSI
Bain Capital Life Sciences Investors Boston, Massachusetts $1.11B AUM 171.34% 1-Year Est. Return
Jennison Associates
Jennison Associates New York $145B AUM 34.61% 1-Year Est. Return
Adage Capital Partners
Adage Capital Partners Boston, Massachusetts $64.8B AUM 42.7% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
CAM
Cormorant Asset Management Boston, Massachusetts $1.99B AUM 737.95% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Two Sigma Investments
Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return

Citadel Advisors's CABA Position: Q1 2026 in Review

Citadel Advisors sold out of Cabaletta Bio (CABA) in Q1 2026, closing a stake of 33,502 shares — an estimated $93K sold.

Citadel Advisors first reported a position in CABA in Q1 2020 and held it in 19 quarters. The position peaked at $6.8M in Q3 2021. 108 funds tracked by Wall St. Rank hold CABA as of Q1 2026.

  • Citadel Advisors reported no remaining Cabaletta Bio position as of Q1 2026 after selling out during the quarter.
  • Citadel Advisors sold 33,502 Cabaletta Bio shares in Q1 2026, an estimated $93K.
  • Citadel Advisors first reported a position in Cabaletta Bio in Q1 2020 and held it in 19 quarters.
  • Citadel Advisors's Cabaletta Bio position peaked at $6.8M in Q3 2021.
  • 108 funds tracked by Wall St. Rank held Cabaletta Bio as of Q1 2026.

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