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
Q2 		$1.53M Buy
491,700
+13,100
+3% +$43.1K ﹤0.01% 7161
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

Jennison Associates
Jennison Associates New York $167B AUM 44.17% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return
BCLSI
Bain Capital Life Sciences Investors Boston, Massachusetts $1.68B AUM 126.09% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Adage Capital Partners
Adage Capital Partners Boston, Massachusetts $71.3B AUM 56.8% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
CAM
Cormorant Asset Management Boston, Massachusetts $1.95B AUM 773.9% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
WP
Woodline Partners San Francisco, California $32.4B AUM 58.5% 1-Year Est. Return

Citadel Advisors's CABA Position: Q2 2026 in Review

Citadel Advisors opened a new position in Cabaletta Bio (CABA) in Q2 2026: 3,522,112 shares worth $11M. The stake represents ﹤0.01% of the portfolio and ranks #3435 among its holdings. This is a return to the name: Citadel Advisors previously reported a position in CABA as recently as Q4 2025.

Citadel Advisors first reported a position in CABA in Q1 2020 and has held it in 20 quarters since. 139 funds tracked by Wall St. Rank hold CABA as of Q2 2026.

  • Citadel Advisors held 3,522,112 shares of Cabaletta Bio worth $11M as of Q2 2026.
  • Cabaletta Bio was a new Citadel Advisors position in Q2 2026.
  • Cabaletta Bio made up ﹤0.01% of Citadel Advisors's portfolio in Q2 2026, its #3435 holding.
  • Citadel Advisors first reported a position in Cabaletta Bio in Q1 2020 and has held it in 20 quarters since.
  • 139 funds tracked by Wall St. Rank held Cabaletta Bio as of Q2 2026.

Based on Citadel Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.