How many institutions held CABA - Cabaletta Bio, Inc. - Common Stock, par value $0.00001 per share in Q1 2021?

67 institutional investors reported CABA - Cabaletta Bio, Inc. - Common Stock, par value $0.00001 per share for Q1 2021. Use the holders table for investor-level position and value details.

Cabaletta Bio, Inc. - Common Stock, par value $0.00001 per share (CABA)

Q: What does CUSIP 12674W109 represent in this 13F holders report?

CUSIP 12674W109 is the security identifier for CABA - Cabaletta Bio, Inc. - Common Stock, par value $0.00001 per share used to aggregate holder disclosures.

CUSIP: 12674W109

Q1 2021 13F Holders as of 31 Mar 2021

Type / Class: Equity / Common Stock, par value $0.00001 per share
Shares outstanding: 96,806,849
Total 13F shares: 16,228,404
Share change: +55,145
Total reported value: $180,131,214
Put/Call ratio: 67%
Price per share: $11.10
Number of holders: 67
Value change: +$595,907
Number of buys: 33
Number of sells: 19

Quarterly Holders Quick Answers

What is CUSIP 12674W109?
CUSIP 12674W109 identifies CABA - Cabaletta Bio, Inc. - Common Stock, par value $0.00001 per share in SEC institutional holdings data.

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Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q2 2021
Previous quarter: Q4 2020

Recent filing periods for CUSIP 12674W109:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of CABA - Cabaletta Bio, Inc. - Common Stock, par value $0.00001 per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
5AM Venture Management, LLC	13F	Company	3.5%	3,371,263	$42,073,000	—	31 Dec 2020	13F
ADAGE CAPITAL PARTNERS GP, L.L.C.	13F	Company	3.3%	3,180,805	$39,696,000	—	31 Dec 2020	13F
Cormorant Asset Management, LP	13F	Company	2%	1,904,424	$23,767,000	—	31 Dec 2020	13F
Boxer Capital, LLC	13F	Company	1.7%	1,603,361	$20,010,000	—	31 Dec 2020	13F
Redmile Group, LLC	13F	Company	1.4%	1,378,319	$17,201,000	—	31 Dec 2020	13F
BlackRock Finance, Inc.	13F	Company	0.98%	951,396	$11,874,000	—	31 Dec 2020	13F
VANGUARD GROUP INC	13F	Company	0.68%	654,903	$8,173,000	—	31 Dec 2020	13F
BAKER BROS. ADVISORS LP	13F	Company	0.66%	636,363	$7,942,000	—	31 Dec 2020	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.63%	605,245	$7,553,000	—	31 Dec 2020	13F
DEERFIELD MANAGEMENT COMPANY, L.P.	13F	Company	0.48%	464,252	$5,794,000	—	31 Dec 2020	13F
STATE STREET CORP	13F	Company	0.21%	199,631	$2,491,000	—	31 Dec 2020	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.18%	176,308	$2,200,000	—	31 Dec 2020	13F
NORTHERN TRUST CORP	13F	Company	0.14%	139,625	$1,742,000	—	31 Dec 2020	13F
WELLINGTON MANAGEMENT GROUP LLP	13F	Company	0.11%	109,700	$1,369,000	—	31 Dec 2020	13F
ALTRINSIC GLOBAL ADVISORS LLC	13F	Company	0.1%	100,000	$1,248,000	—	31 Dec 2020	13F
Nuveen Asset Management, LLC	13F	Company	0.07%	68,342	$853,000	—	31 Dec 2020	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.05%	51,084	$637,000	—	31 Dec 2020	13F
VICTORY CAPITAL MANAGEMENT INC	13F	Company	0.05%	50,476	$630,000	—	31 Dec 2020	13F
Bank of New York Mellon Corp	13F	Company	0.05%	49,558	$618,000	—	31 Dec 2020	13F
FMR LLC	13F	Company	0.04%	35,650	$445,000	—	31 Dec 2020	13F
MORGAN STANLEY	13F	Company	0.04%	34,062	$425,000	—	31 Dec 2020	13F
Russell Investments Group, Ltd.	13F	Company	0.04%	34,059	$424,000	—	31 Dec 2020	13F
FIRST TRUST ADVISORS LP	13F	Company	0.03%	33,290	$415,000	—	31 Dec 2020	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.03%	32,390	$405,000	—	31 Dec 2020	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.03%	31,480	$393,000	—	31 Dec 2020	13F
Squarepoint Ops LLC	13F	Company	0.03%	30,455	$380,000	—	31 Dec 2020	13F
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	13F	Company	0.03%	28,672	$358,000	—	31 Dec 2020	13F
JPMORGAN CHASE & CO	13F	Company	0.03%	25,922	$323,000	—	31 Dec 2020	13F
HSBC HOLDINGS PLC	13F	Company	0.03%	24,258	$292,000	—	31 Dec 2020	13F
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM	13F	Company	0.02%	19,465	$243,000	—	31 Dec 2020	13F
STATE OF WISCONSIN INVESTMENT BOARD	13F	Company	0.02%	18,100	$226,000	—	31 Dec 2020	13F
TWO SIGMA INVESTMENTS, LP	13F	Company	0.02%	16,665	$208,000	—	31 Dec 2020	13F
RHUMBLINE ADVISERS	13F	Company	0.02%	15,454	$193,000	—	31 Dec 2020	13F
TWO SIGMA ADVISERS, LP	13F	Company	0.02%	14,800	$185,000	—	31 Dec 2020	13F
NEW YORK STATE COMMON RETIREMENT FUND	13F	Company	0.01%	13,200	$165,000	—	31 Dec 2020	13F
SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC	13F	Company	0.01%	12,020	$150,000	—	31 Dec 2020	13F
CITADEL ADVISORS LLC	13F	Company	0.01%	10,809	$135,000	—	31 Dec 2020	13F
Veritable, L.P.	13F	Company	0.01%	10,500	$131,000	—	31 Dec 2020	13F
DEUTSCHE BANK AG\	13F	Company	0.01%	9,169	$114,000	—	31 Dec 2020	13F
AMERICAN INTERNATIONAL GROUP, INC.	13F	Company	0.01%	7,504	$94,000	—	31 Dec 2020	13F
CITIGROUP INC	13F	Company	0%	4,364	$54,000	—	31 Dec 2020	13F
Tower Research Capital LLC (TRC)	13F	Company	0%	3,455	$43,000	—	31 Dec 2020	13F
BANK OF AMERICA CORP /DE/	13F	Company	0%	3,170	$40,000	—	31 Dec 2020	13F
BANK OF MONTREAL /CAN/	13F	Company	0%	2,010	$27,000	—	31 Dec 2020	13F
UBS Group AG	13F	Company	0%	1,937	$24,000	—	31 Dec 2020	13F
Legal & General Group Plc	13F	Company	0%	1,138	$14,000	—	31 Dec 2020	13F
Ameritas Investment Partners, Inc.	13F	Company	0%	1,125	$14,000	—	31 Dec 2020	13F
US BANCORP \DE\	13F	Company	0%	900	$11,000	—	31 Dec 2020	13F
ROYAL BANK OF CANADA	13F	Company	0%	691	$9,000	—	31 Dec 2020	13F
Penserra Capital Management LLC	13F	Company	0%	550	$6,000	—	31 Dec 2020	13F

Institutional Holders of Cabaletta Bio, Inc. - Common Stock, par value $0.00001 per share (CABA) as of Q1 2021

As of 31 Mar 2021, Cabaletta Bio, Inc. - Common Stock, par value $0.00001 per share (CABA) was held by 67 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 16,228,404 shares. The largest 10 holders included ADAGE CAPITAL PARTNERS GP, L.L.C., 5AM Venture Management, LLC, Cormorant Asset Management, LP, BOXER CAPITAL, LLC, BlackRock Inc., MILLENNIUM MANAGEMENT LLC, Redmile Group, LLC, VANGUARD GROUP INC, BAKER BROS. ADVISORS LP, and DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C). This page lists 67 institutional shareholders reporting positions in this security for the Q1 2021 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q1 2021 vs Q4 2020 Across Filers

Q4 2020 holders

Q1 2021 holders

Holder diff

Investor	Q4 2020 Shares	Q1 2021 Shares	Share Diff	Share Chg %	Q4 2020 Value $	Q1 2021 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.