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 		$1.29M Buy
478,600
+256,000
+115% +$711K ﹤0.01% 7097
2025
Q4 		$487K Sell
222,600
-22,200
-9% -$55K ﹤0.01% 9083
2025
Q3 		$573K Buy
244,800
+168,300
+220% +$289K ﹤0.01% 8799
2025
Q2 		$116K Buy
76,500
+36,000
+89% +$56.1K ﹤0.01% 11202
2025
Q1 		$56.1K Sell
40,500
-95,900
-70% -$204K ﹤0.01% 12189
2024
Q4 		$310K Buy
136,400
+121,900
+841% +$428K ﹤0.01% 9590
2024
Q3 		$68.4K Sell
14,500
-4,400
-23% -$25.5K ﹤0.01% 11589
2024
Q2 		$141K Sell
18,900
-55,100
-74% -$675K ﹤0.01% 10429
2024
Q1 		$1.26M Buy
74,000
+19,200
+35% +$412K ﹤0.01% 6454
2023
Q4 		$1.24M Buy
54,800
+45,600
+496% +$767K ﹤0.01% 6261
2023
Q3 		$140K Sell
9,200
-3,100
-25% -$42.4K ﹤0.01% 10461
2023
Q2 		$159K Sell
12,300
-9,200
-43% -$99.9K ﹤0.01% 10247
2023
Q1 		$178K Sell
21,500
-2,700
-11% -$25.3K ﹤0.01% 10376
2022
Q4 		$224K Sell
24,200
-59,000
-71% -$215K ﹤0.01% 9915
2022
Q3 		$54K Buy
+83,200
New +$100K ﹤0.01% 11567
2022
Q1 		– Sell
-19,800
Closed -$75K – 13640
2021
Q4 		$75K Sell
19,800
-36,700
-65% -$392K ﹤0.01% 12985
2021
Q3 		$687K Buy
56,500
+42,900
+315% +$396K ﹤0.01% 9119
2021
Q2 		$117K Buy
+13,600
New +$134K ﹤0.01% 12772

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.