CABA

Cabaletta Bio Inc
Health CareUSCUSIP 12674W109◍ Confluence graph
Tracked 13F Holders
107
-51 QoQ
13F Value (tracked)
$259.0M
Insider Net · 180d
$0
0↑ 0↓
Recent Filings
15
Smart-money sentimentBullish
BearishBullish
13F funds (latest Q)41 adding · 11 trimming
Insider net (180d)$0

Who owns CABA?

107 tracked 13F filers

107 tracked 13F filers disclose a position in CABA as of the latest SEC 13F filings, a combined $259.0M in reported value. Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.

All quarters use one ordinary-share-equivalent series. Historical ADS are converted at 2 ADS = 1 ordinary share. Expand a row for the exact calculation; the residual is not classified as a trade.
1 source-reported value row is withheld because the reported units do not agree with same-security peers. Share counts remain visible and unchanged.
#FundPosition valueSharesLast moveAs ofHistory
1Bain Capital Life Sciences Investors, LLC
$53.6M
17.2M
+78%
Added · +7.6M sh
Q2 2026
2T. Rowe Price Investment Management, Inc.
Withheld
11.1M
+12%
Added · +1.2M sh
Q1 2026
3JENNISON ASSOCIATES LLC
$24.1M
9.0M
+0.7%
Added · +65K sh
Q1 2026
4ADAGE CAPITAL PARTNERS GP, L.L.C.
$23.8M
8.8M
Held
Q1 2026
5STATE STREET CORP
$24.4M
7.8M
17×
Added · +7.4M sh
Q2 2026
6MILLENNIUM MANAGEMENT LLC
$15.9M
5.9M
+116%
Added · +3.2M sh
Q1 2026
7Cormorant Asset Management, LP
$14.8M
5.5M
+25%
Added · +1.1M sh
Q1 2026
8VANGUARD CAPITAL MANAGEMENT LLC
$10.8M
4.0M
First observed position
No prior filed position
Q1 2026
9GEODE CAPITAL MANAGEMENT, LLC
$10.8M
3.5M
+205%
Added · +2.3M sh
Q2 2026
10TWO SIGMA INVESTMENTS, LP
$6.7M
2.5M
+36%
Added · +658K sh
Q1 2026
11BlackRock, Inc.
$6.4M
2.4M
+1.9%
Added · +45K sh
Q1 2026
12MARSHALL WACE, LLP
$5.9M
2.2M
+127%
Added · +1.2M sh
Q1 2026
13RENAISSANCE TECHNOLOGIES LLC
$5.5M
2.0M
+34%
Added · +514K sh
Q1 2026
14Qube Research & Technologies Ltd
$5.2M
1.9M
+484%
Added · +1.6M sh
Q1 2026
15MORGAN STANLEY
$3.8M
1.4M
+4.8%
Added · +64K sh
Q1 2026
16Opaleye Management Inc.
$3.7M
1.4M
+53%
Added · +480K sh
Q1 2026
17SUPERSTRING CAPITAL MANAGEMENT LP
$3.5M
1.3M
+20%
Added · +212K sh
Q2 2026
18Woodline Partners LP
$3.4M
1.3M
Held
Q1 2026
19Stonepine Capital Management, LLC
$2.9M
917K
18×
Added · +867K sh
Q2 2026
20Ikarian Capital, LLC
$2.4M
900K
Held
Q1 2026
21GOLDMAN SACHS GROUP INC
$2.1M
783K
+82%
Added · +353K sh
Q1 2026
22CANTOR FITZGERALD, L. P.
$2.1M
765K
New
+765K sh
Q1 2026
23SCHRODER INVESTMENT MANAGEMENT GROUP
$1.9M
757K
Held
Q1 2026
24HEIGHTS CAPITAL MANAGEMENT, INC
$2.3M
756K
New
+756K sh
Q2 2026
25DIMENSIONAL FUND ADVISORS LP
$2.0M
741K
+64%
Added · +289K sh
Q1 2026

Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.

Is CABA being bought or sold by institutions?

Last quarter, 19 funds opened a new position in CABA and 22 added to an existing one, while 11 reduced and 0 exited entirely — based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).

Opened (NEW)
19
funds
Added
22
funds
Reduced
11
funds
Exited
0
funds

Funds that own CABA also own

CompanyCo-held byCombined value
ELI LILLY & COLLY55 funds$28.8B
NVIDIA CORPNVDA54 funds$144.5B
MICRON TECHNOLOGY INCMU54 funds$13.7B
MICROSOFT CORPMSFT53 funds$90.1B
AMAZON.COM INCAMZN53 funds$66.0B
ALPHABET INC-CL AGOOGL53 funds$62.0B
BROADCOM INCAVGO52 funds$58.4B
META PLATFORMS INC-CLASS AMETA52 funds$44.1B
ORACLE CORPORCL52 funds$6.7B
LAM RESEARCH CORPLRCX51 funds$10.2B
ADVANCED MICRO DEVICESAMD50 funds$16.3B
COSTCO WHOLESALE CORPCOST50 funds$13.1B

Ranked by how many of CABA's institutional holders also hold each name, a cross-fund conviction signal.

Insider activity (Form 4)

Full insider page →
Buys · 180d
$0
0 insiders
Sells · 180d
$0
0 insiders
Net
$0
0 P/S txns
Signal
Mixed
open-market
DateInsiderRoleActionSharesValue
Jan 21, 2026Gerard MichaelGeneral CounselBuy (P)7K$15K
Jan 21, 2026Simon MarkDirectorBuy (P)11K$25K
Jan 21, 2026Nichtberger StevenPresident & CEO, DirectorBuy (P)45K$101K
Jan 21, 2026Bollard CatherineDirectorBuy (P)4K$10K
Jan 21, 2026Gavel SteveChief Commercial OfficerBuy (P)22K$50K
Jan 21, 2026Tomasello ShawnDirectorBuy (P)23K$50K
Jan 21, 2026Binder GwendolynPresident, Science & Tech.Buy (P)11K$25K
Jan 21, 2026Chang David J.Chief Medical OfficerBuy (P)9K$20K
Jan 19, 2024Binder GwendolynSee RemarksSell (S)10K$201K
Jan 19, 2024Binder GwendolynSee RemarksSell (S)700$14K
Dec 19, 2023Binder GwendolynSee RemarksSell (S)3K$70K
Dec 19, 2023Binder GwendolynSee RemarksSell (S)8K$171K

Institutional ownership over time

43 funds-52 since Q3 2024
04895Q3 2024Q1 2025Q3 2025Q1 2026Q2 2026
funds holding aggregate valuelatest $103.3M

Recent filings

15 shown

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Connected entities for CABA

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Ask your agent what changed in CABA

This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.

Copy-paste
curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://arkolith.com/api/v1/stocks/CABA/capital-change-brief"
Ask your agent
Use Arkolith's capital_change_brief for CABA.
Tell me what changed, whether insider activity
corroborates it, and cite the SEC evidence.

13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for CABA. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.