Fidelity Investments
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Fidelity Investments’s Cabaletta Bio CABA Stock Holding History

Fidelity Investments’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 		$49.5K Buy
15,928
+2,937
+23% +$9.66K ﹤0.01% 4310
2026
Q1 		$34.9K Sell
12,991
-54
-0.4% -$150 ﹤0.01% 4273
2025
Q4 		$28.6K Sell
13,045
-1,019
-7% -$2.52K ﹤0.01% 4328
2025
Q3 		$32.9K Sell
14,064
-1,392
-9% -$2.39K ﹤0.01% 4157
2025
Q2 		$23.5K Buy
15,456
+11,295
+271% +$17.6K ﹤0.01% 4234
2025
Q1 		$5.76K Sell
4,161
-36,106
-90% -$76.9K ﹤0.01% 4663
2024
Q4 		$91.4K Buy
40,267
+37,509
+1,360% +$132K ﹤0.01% 3595
2024
Q3 		$13K Buy
2,758
+1,681
+156% +$9.73K ﹤0.01% 4345
2024
Q2 		$8.05K Buy
1,077
+590
+121% +$7.23K ﹤0.01% 4404
2024
Q1 		$8.31K Buy
487
+82
+20% +$1.76K ﹤0.01% 4343
2023
Q4 		$9.19K Sell
405
-387
-49% -$6.51K ﹤0.01% 4263
2023
Q3 		$12.1K Buy
792
+555
+234% +$7.58K ﹤0.01% 4033
2023
Q2 		$3.06K Buy
237
+223
+1,593% +$2.42K ﹤0.01% 4491
2023
Q1 		$116 Buy
+14
New +$131 ﹤0.01% 4890
2021
Q3 		– Sell
-35,650
Closed -$307K – 4386
2021
Q2 		$307K Hold
35,650
– – ﹤0.01% 2864
2021
Q1 		$396K Hold
35,650
– – ﹤0.01% 2724
2020
Q4 		$445K Sell
35,650
-9,100
-20% -$118K ﹤0.01% 2663
2020
Q3 		$485K Sell
44,750
-125,800
-74% -$1.45M ﹤0.01% 2539
2020
Q2 		$1.9M Buy
170,550
+140,000
+458% +$1.07M ﹤0.01% 2289
2020
Q1 		$223K Hold
30,550
– – ﹤0.01% 2560
2019
Q4 		$427K Buy
+30,550
New +$362K ﹤0.01% 2521

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

Fidelity Investments's CABA Position: Q2 2026 in Review

Fidelity Investments increased its Cabaletta Bio (CABA) stake by 23% in Q2 2026, buying an estimated $9.66K and bringing the position to 15,928 shares worth $49.5K. The position accounts for ﹤0.01% of the portfolio, ranked #4310.

Fidelity Investments first reported a position in CABA in Q4 2019 and has held it in 21 quarters since. The position peaked at $1.9M in Q2 2020. 140 funds tracked by Wall St. Rank hold CABA as of Q2 2026.

  • Fidelity Investments held 15,928 shares of Cabaletta Bio worth $49.5K as of Q2 2026.
  • Fidelity Investments bought 2,937 Cabaletta Bio shares in Q2 2026, an estimated $9.66K.
  • Cabaletta Bio made up ﹤0.01% of Fidelity Investments's portfolio in Q2 2026, its #4310 holding.
  • Fidelity Investments first reported a position in Cabaletta Bio in Q4 2019 and has held it in 21 quarters since.
  • Fidelity Investments's Cabaletta Bio position peaked at $1.9M in Q2 2020.
  • 140 funds tracked by Wall St. Rank held Cabaletta Bio as of Q2 2026.

Based on Fidelity Investments's 13F filing for Q2 2026, filed 13 Aug 2026.