BCAB

Bioatla Inc Cross-source read$1.32 1.54%
Health CareCUSIP 09077B203· EOD Sep 4, 2026

Among active 13F managers last quarter, 2 opened and 2 reduced; the largest holder to move was Stonepine Capital Management, LLC (new position). No open-market insider trades in the last 180 days.

Tracked 13F holders
9
13F value (tracked)
$334K
Smart-money readNeutral
Net sellingNet buying
Funds · active managers, latest 13F
2 adding · 2 trimming
Insiders · Form 4 open-market, 180d
0 buying · 0 selling
US House · STOCK Act, 180d
0 buying · 0 selling

No leg leans either way.

Price & smart-money activity

$1.32 1.54%5Y -99.9%
$1.11$520.15$1,039$1,558$2,077202120222023202420252026376522342
Hover for who · click for detailEnd-of-day closing prices52w $1.08 – $61.00

Who owns BCAB?

9 tracked 13F filers · ranked by shares held

9 tracked 13F filers disclose a position in BCAB as of the latest SEC 13F filings, a combined $334K 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.

#FundSharesPosition valueLast moveAs ofHistory
1Marshall Wace, LLP278K
$44K
−69%
Reduced · −614K sh
Q1 2026
2Lido Advisors, LLC17K
$69K
New
+17K sh
Q2 2026
3Stonepine Capital Management, LLC16K
$68K
New
+16K sh
Q2 2026
4Geode Capital Management, LLC13K
$53K
New
+13K sh
Q2 2026
5BlackRock, Inc.10K
$40K
New
+10K sh
Q2 2026
6Vanguard Capital Management LLC9K
$38K
New
+9K sh
Q2 2026
7Vanguard Fiduciary Trust Co5K
$20K
New
+5K sh
Q2 2026
8SBI Securities Co., Ltd.267
$1K
−98%
Reduced · −11K sh
Q2 2026
9Twin Lakes Capital Management, LLC144
$596
New
+144 sh
Q2 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 BCAB being bought or sold by institutions?

Last quarter, 2 funds opened a new position in BCAB, while 2 reduced. Based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).

Opened
2
funds took a first position
Reduced
2
reduced, still holding
Biggest moves · ranked by size of the change, positions above a floor

Funds that own BCAB also own

CompanyCo-held byTheir position there
Nvidia CorpNVDA3 funds$2.9B
Apple IncAAPL3 funds$2.3B
Amazon.com IncAMZN3 funds$1.9B
Microsoft CorpMSFT3 funds$1.3B
Alphabet Inc-CL AGOOGL3 funds$1.0B
Tesla IncTSLA3 funds$885.3M
Chevron CorpCVX3 funds$869.1M
Advanced Micro DevicesAMD3 funds$812.2M
Taiwan Semiconductor-SP ADRTSM3 funds$791.1M
Hilton Worldwide Holdings InHLT3 funds$767.4M
Alphabet Inc-CL CGOOG3 funds$634.9M
Johnson & JohnsonJNJ3 funds$611.4M

Ranked by how many of BCAB's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in BCAB.

Insider activity (Form 4)

Full insider page →
Net · 180d
$0
0 open-market transactions
DateInsiderRoleActionSharesValue
Dec 26, 2023McBrinn SylviaDirectorBuy (P)4K$9K
Dec 20, 2023Short Jay M PhdChief Executive Officer, Director, 10% OwnerBuy (P)50K$107K
Dec 19, 2023Vasquez ChristianSee RemarksBuy (P)7K$15K
Dec 19, 2023Steinman LawrenceDirectorBuy (P)20K$41K
Sep 8, 2023McBrinn SylviaDirectorBuy (P)2K$5K
Mar 29, 2023Short Jay M PhdChief Executive Officer, Director, 10% OwnerBuy (P)41K$101K
Mar 28, 2023McBrinn SylviaDirectorBuy (P)4K$9K
Mar 28, 2023Vasquez ChristianSee RemarksBuy (P)20K$48K
Dec 19, 2022McBrinn SylviaDirectorBuy (P)4K$31K
Nov 22, 2022McBrinn SylviaDirectorBuy (P)2K$17K
Sep 13, 2022McBrinn SylviaDirectorBuy (P)1K$8K
Sep 12, 2022McBrinn SylviaDirectorBuy (P)2K$18K

Do institutions, insiders and Congress agree?

Mixed signals

Where institutional funds (13F), corporate insiders (Form 4) and US House members (STOCK Act) are buying or selling the same name in the same window. Green is buying, red is selling.

SEC EDGAR 13F + Form 4 + US House STOCK Act{ }get_ticker_confluence · API & MCP

Signals by source

Insiders and Congress: last 180 days. Funds: latest 13F, top 100 holders incl. passive

SourceBuyingSellingNet
13F funds
Top 100 holders by value, passive included; the hero counts active managers only
02
Insiders
Form 4 open-market
00$0
US House
STOCK Act trades
00$0
Sector rotation
BCAB is in Health Care, which smart money is rotating OUT OF
$6.6B

Capital Rotation reports where institutional capital disclosed rotating, as of the latest public SEC 13F filings. It is data, not investment advice, a recommendation, or a prediction. Filings lag about 45 days and cover long US equity positions only. Past disclosed flows do not indicate future prices. Do your own research; consult a licensed advisor.

Share classes

Class13F holdersValue held
BCABGBPEquity19 funds$1.2M
BCABthis pageCOMMON STOCK9 funds$334K

Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.

Recent filings

15 most recent

Keep exploring

Connected entities for BCAB

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Ask your agent what changed in BCAB

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/BCAB/capital-change-brief"
Ask your agent
Use Arkolith's capital_change_brief for BCAB.
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 BCAB. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.