XTX Topco’s Cabaletta Bio CABA Stock Holding History

XTX Topco’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	$142K	Buy	45,702 +33,190	+265%	+$109K	﹤0.01%	3409
2026 Q1	$33.7K	Sell	12,512 -142,875	-92%	-$397K	﹤0.01%	3424
2025 Q4	$340K	Sell	155,387 -128,912	-45%	-$319K	0.01%	1955
2025 Q3	$665K	Buy	284,299 +187,039	+192%	+$321K	0.03%	868
2025 Q2	$148K	Buy	+97,260	New	+$152K	0.01%	1793
2024 Q4	–	Sell	-87,455	Closed	-$413K	–	2337
2024 Q3	$413K	Buy	87,455 +72,638	+490%	+$420K	0.03%	958
2024 Q2	$111K	Buy	14,817 +990	+7%	+$12.1K	0.01%	1396
2024 Q1	$236K	Buy	+13,827	New	+$297K	0.03%	1045

Other funds holding CABA

Jennison Associates New York $167B AUM 44.17% 1-Year Est. Return

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 New York $6.73T AUM 46.02% 1-Year Est. Return

Adage Capital Partners Boston, Massachusetts $71.3B AUM 56.8% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

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 Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

Woodline Partners San Francisco, California $32.4B AUM 58.5% 1-Year Est. Return

XTX Topco's CABA Position: Q2 2026 in Review

XTX Topco increased its Cabaletta Bio (CABA) stake by 265% in Q2 2026, buying an estimated $109K and bringing the position to 45,702 shares worth $142K. The position accounts for ﹤0.01% of the portfolio, ranked #3409.

XTX Topco first reported a position in CABA in Q1 2024 and has held it in 8 quarters since. The position peaked at $665K in Q3 2025. 140 funds tracked by Wall St. Rank hold CABA as of Q2 2026.

XTX Topco held 45,702 shares of Cabaletta Bio worth $142K as of Q2 2026.
XTX Topco bought 33,190 Cabaletta Bio shares in Q2 2026, an estimated $109K.
Cabaletta Bio made up ﹤0.01% of XTX Topco's portfolio in Q2 2026, its #3409 holding.
XTX Topco first reported a position in Cabaletta Bio in Q1 2024 and has held it in 8 quarters since.
XTX Topco's Cabaletta Bio position peaked at $665K in Q3 2025.
140 funds tracked by Wall St. Rank held Cabaletta Bio as of Q2 2026.

Based on XTX Topco's 13F filing for Q2 2026, filed 14 Aug 2026.