FBLG

Fibrobiologics Inc$1.03 3.74%
Health CareUSCUSIP 31573L204· EOD Jun 5, 2026◍ Confluence graph
Tracked 13F Holders
14
+14 QoQ
13F Value (tracked)
$268K
Insider Net · 180d
$73K
4↑ 0↓
Recent Filings
15
Smart-money sentimentMixed
BearishBullish
13F funds (latest Q)1 adding · 2 trimming
Insider net (180d)+$73K

Price & smart-money activity

$1.03 3.74%2Y -99.4%
$0.95$95.19$189.43$283.68$377.92202420252026262
Hover for who · click for detailEnd-of-day closing prices52w $0.99 – $19.12
Build

Use FBLG data in an agent

The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.

Build

Ask your agent who owns FBLG

This stock page is the Follow view. The Build view lets your agent query FBLG owners, fund changes, insider filings, and source links through REST or MCP.

Copy-paste
curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://arkolith.com/api/v1/stocks/FBLG"
Ask your agent
Use Arkolith to show who owns FBLG,
which funds added or reduced it, and which
SEC filings prove each claim.

Top institutional holders

14 tracked 13F filers
#FundPosition valueSharesLast moveAs ofHistory
1VANGUARD CAPITAL MANAGEMENT LLC
$89K
68K
New
+68K sh
Q1 2026
2Fund Evaluation Group, LLC
$68K
52K
New
+52K sh
Q1 2026
3GEODE CAPITAL MANAGEMENT, LLC
$39K
30K
−92%
Reduced · −319K sh
Q1 2026
4BlackRock, Inc.
$33K
25K
−95%
Reduced · −458K sh
Q1 2026
5RENAISSANCE TECHNOLOGIES LLC
$21K
16K
−93%
Reduced · −216K sh
Q1 2026
6VANGUARD FIDUCIARY TRUST CO
$8K
6K
New
+6K sh
Q1 2026
7UBS Group AG
$8K
6K
−95%
Reduced · −115K sh
Q1 2026
8NewEdge Advisors, LLC
$1K
845
−95%
Reduced · −16K sh
Q1 2026
9Tower Research Capital LLC (TRC)
$607
460
−97%
Reduced · −18K sh
Q1 2026
10OSAIC HOLDINGS, INC.
$203
154
−97%
Reduced · −6K sh
Q1 2026
11BNP PARIBAS FINANCIAL MARKETS
$87
66
−95%
Reduced · −1K sh
Q1 2026
12Allworth Financial LP
$18
13
−95%
Reduced · −248 sh
Q1 2026
13WELLS FARGO & COMPANY/MN
$13
10
−95%
Reduced · −190 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.

Fund activity: latest quarter

Opened (NEW)
1
funds
Added
0
funds
Reduced
2
funds
Exited
0
funds

Insider activity (Form 4)

Full insider page →
Buys · 180d
$73K
4 insiders
Sells · 180d
$0
0 insiders
Net
$73K
6 P/S txns
Signal
Net Buying
open-market
DateInsiderRoleActionSharesValue
Mar 4, 2026O'HEERON PETECHIEF EXECUTIVE OFFICER, DirectorBuy (P)16K$6K
Mar 4, 2026Khoja HamidChief Scientific OfficerBuy (P)30K$11K
Mar 3, 2026O'HEERON PETECHIEF EXECUTIVE OFFICER, DirectorBuy (P)18K$7K
Mar 2, 2026Davis JasonChief Financial OfficerBuy (P)70K$29K
Mar 2, 2026O'HEERON PETECHIEF EXECUTIVE OFFICER, DirectorBuy (P)17K$6K
Feb 27, 2026GARCIA RUBEN AGeneral CounselBuy (P)40K$13K
Dec 11, 2025GARCIA RUBEN AGeneral CounselBuy (P)140K$48K
Jun 12, 2025Niklas Victoria Ninon OliviaDirectorGrant (A)22K$0
Jun 12, 2025Hoffman Robert E.DirectorGrant (A)22K$0
Jun 12, 2025Link MatthewDirectorGrant (A)22K$0
Jun 12, 2025Cilento Richard C. Jr.DirectorGrant (A)22K$0
Jun 12, 2025Coen Stacy AnnDirectorGrant (A)22K$0

Institutional ownership over time

14 funds+13 since Q2 2025
0714Q2 2025Q3 2025Q1 2026
funds holding aggregate valuelatest $268K

Share classes

Class13F holdersValue held
FBLGthis pageStock14 funds$268K
31573L105COM SHS1 funds$274K

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

Funds that own FBLG also own

CompanyCo-held byCombined value
ISHARES CORE S&P 500 ETFIVV3 funds$1.7B
APPLE INCAAPL3 funds$943.1M
NVIDIA CORPNVDA3 funds$662.0M
MICROSOFT CORPMSFT3 funds$624.0M
VANGUARD S&P 500 ETFVOO3 funds$511.2M
ISHARES US TREASURY BOND ETFGOVT3 funds$478.6M
SCHWAB US LARGE-CAP GROWTHSCHG3 funds$337.2M
SCHWAB US LARGE-CAP ETFSCHX3 funds$254.6M
VANGUARD TOTAL STOCK MKT ETFVTI3 funds$238.6M
ISHARES CORE INTL STOCK ETFIXUS3 funds$207.9M
ELI LILLY & COLLY3 funds$181.5M
VANGUARD FTSE DEVELOPED ETFVEA3 funds$173.2M

Ranked by how many of FBLG's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).

Recent filings

15 shown

Browse more

13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for FBLG. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.