How many institutions held CABA - Cabaletta Bio, Inc. - Common Stock, par value $0.00001 per share in Q4 2021?

60 institutional investors reported CABA - Cabaletta Bio, Inc. - Common Stock, par value $0.00001 per share for Q4 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

Q4 2021 13F Holders as of 31 Dec 2021

Type / Class: Equity / Common Stock, par value $0.00001 per share
Shares outstanding: 96,806,849
Total 13F shares: 18,168,410
Share change: -15,008
Total reported value: $68,859,189
Put/Call ratio: 21%
Price per share: $3.79
Number of holders: 60
Value change: -$10,075,938
Number of buys: 34
Number of sells: 30

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: Q1 2022
Previous quarter: Q3 2021

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
ADAGE CAPITAL PARTNERS GP, L.L.C.	13F	Company	3.1%	3,041,645	$36,986,000	—	30 Sep 2021	13F
5AM Venture Management, LLC	13F	Company	2.4%	2,359,263	$28,689,000	—	30 Sep 2021	13F
Cormorant Asset Management, LP	13F	Company	1.7%	1,611,623	$19,597,000	—	30 Sep 2021	13F
Boxer Capital, LLC	13F	Company	1.7%	1,603,361	$19,497,000	—	30 Sep 2021	13F
Ikarian Capital, LLC	13F	Company	1.2%	1,187,898	$14,445,000	—	30 Sep 2021	13F
Point72 Asset Management, L.P.	13F	Company	0.93%	900,000	$10,944,000	—	30 Sep 2021	13F
VANGUARD GROUP INC	13F	Company	0.75%	730,781	$8,887,000	—	30 Sep 2021	13F
Redmile Group, LLC	13F	Company	0.72%	696,377	$8,468,000	—	30 Sep 2021	13F
BAKER BROS. ADVISORS LP	13F	Company	0.68%	662,063	$8,051,000	—	30 Sep 2021	13F
CITADEL ADVISORS LLC	13F	Company	0.58%	559,467	$6,803,000	—	30 Sep 2021	13F
5AM Ventures V, L.P.	3/4/5	10%+ Owner	— class O/S missing	333,144	$6,771,685	—	01 Nov 2021	3/4/5
WELLINGTON MANAGEMENT GROUP LLP	13F	Company	0.55%	534,700	$6,502,000	—	30 Sep 2021	13F
DEERFIELD MANAGEMENT COMPANY, L.P.	13F	Company	0.48%	464,252	$5,645,000	—	30 Sep 2021	13F
SAMLYN CAPITAL, LLC	13F	Company	0.36%	349,475	$4,250,000	—	30 Sep 2021	13F
BlackRock Finance, Inc.	13F	Company	0.34%	330,481	$4,019,000	—	30 Sep 2021	13F
ACUTA CAPITAL PARTNERS, LLC	13F	Company	0.31%	302,926	$3,684,000	—	30 Sep 2021	13F
ORBIMED ADVISORS LLC	13F	Company	0.31%	302,509	$3,679,000	—	30 Sep 2021	13F
VICTORY CAPITAL MANAGEMENT INC	13F	Company	0.23%	219,786	$2,672,000	—	30 Sep 2021	13F
FRED ALGER MANAGEMENT, LLC	13F	Company	0.22%	214,721	$2,611,000	—	30 Sep 2021	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.13%	121,624	$1,479,000	—	30 Sep 2021	13F
ALTRINSIC GLOBAL ADVISORS LLC	13F	Company	0.12%	120,000	$1,459,000	—	30 Sep 2021	13F
BOOTHBAY FUND MANAGEMENT, LLC	13F	Company	0.12%	119,934	$1,458,000	—	30 Sep 2021	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.12%	118,640	$1,442,000	—	30 Sep 2021	13F
Ghost Tree Capital, LLC	13F	Company	0.1%	100,000	$1,216,000	—	30 Sep 2021	13F
MORGAN STANLEY	13F	Company	0.08%	79,918	$972,000	—	30 Sep 2021	13F
TWO SIGMA INVESTMENTS, LP	13F	Company	0.08%	79,330	$965,000	—	30 Sep 2021	13F
MARSHALL WACE, LLP	13F	Company	0.07%	64,155	$780,000	—	30 Sep 2021	13F
SUSQUEHANNA INTERNATIONAL GROUP, LLP	13F	Company	0.06%	57,931	$704,000	—	30 Sep 2021	13F
Ergoteles LLC	13F	Company	0.05%	50,733	$617,000	—	30 Sep 2021	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.04%	42,967	$522,000	—	30 Sep 2021	13F
SILVERARC CAPITAL MANAGEMENT, LLC	13F	Company	0.04%	42,022	$511,000	—	30 Sep 2021	13F
STATE STREET CORP	13F	Company	0.04%	42,007	$511,000	—	30 Sep 2021	13F
TWO SIGMA ADVISERS, LP	13F	Company	0.04%	40,100	$488,000	—	30 Sep 2021	13F
HSBC HOLDINGS PLC	13F	Company	0.03%	27,042	$334,000	—	30 Sep 2021	13F
HRT FINANCIAL LP	13F	Company	0.03%	25,318	$307,000	—	30 Sep 2021	13F
NORTHERN TRUST CORP	13F	Company	0.03%	24,970	$304,000	—	30 Sep 2021	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.02%	22,984	$280,000	—	30 Sep 2021	13F
JPMORGAN CHASE & CO	13F	Company	0.02%	18,205	$221,000	—	30 Sep 2021	13F
BANK OF AMERICA CORP /DE/	13F	Company	0.01%	14,507	$176,000	—	30 Sep 2021	13F
IHT Wealth Management, LLC	13F	Company	0.01%	13,065	$159,000	—	30 Sep 2021	13F
SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC	13F	Company	0.01%	12,324	$150,000	—	30 Sep 2021	13F
PDT Partners, LLC	13F	Company	0.01%	10,956	$133,000	—	30 Sep 2021	13F
Cubist Systematic Strategies, LLC	13F	Company	0.01%	10,774	$131,000	—	30 Sep 2021	13F
Veritable, L.P.	13F	Company	0.01%	10,500	$128,000	—	30 Sep 2021	13F
Bank of New York Mellon Corp	13F	Company	0.01%	10,295	$125,000	—	30 Sep 2021	13F
OSAIC HOLDINGS, INC.	13F	Company	0.01%	9,400	$114,000	—	30 Sep 2021	13F
SIMPLEX TRADING, LLC	13F	Company	0.01%	5,581	$46,000	—	30 Sep 2021	13F
CITIGROUP INC	13F	Company	0%	1,997	$24,000	—	30 Sep 2021	13F
Tower Research Capital LLC (TRC)	13F	Company	0%	1,442	$18,000	—	30 Sep 2021	13F
UBS Group AG	13F	Company	0%	964	$12,000	—	30 Sep 2021	13F

Institutional Holders of Cabaletta Bio, Inc. - Common Stock, par value $0.00001 per share (CABA) as of Q4 2021

As of 31 Dec 2021, Cabaletta Bio, Inc. - Common Stock, par value $0.00001 per share (CABA) was held by 60 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 18,168,410 shares. The largest 10 holders included ADAGE CAPITAL PARTNERS GP, L.L.C., 5AM Venture Management, LLC, CITADEL ADVISORS LLC, SAMLYN CAPITAL, LLC, Cormorant Asset Management, LP, Ikarian Capital, LLC, Point72 Asset Management, L.P., VANGUARD GROUP INC, Redmile Group, LLC, and BAKER BROS. ADVISORS LP. This page lists 60 institutional shareholders reporting positions in this security for the Q4 2021 filing period.

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

Compare Q4 2021 vs Q3 2021 Across Filers

Q3 2021 holders

Q4 2021 holders

Holder diff

Investor	Q3 2021 Shares	Q4 2021 Shares	Share Diff	Share Chg %	Q3 2021 Value $	Q4 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.