FIBROBIOLOGICS INC (FBLG) Institutional Ownership Changes & 13F Activity
FIBROBIOLOGICS INC (FBLG). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q4 2025). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Blackrock, Inc., Geode Capital Management, Llc, Millennium Management Llc, Renaissance Technologies LLC, and Jane Street Group, Llc.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Raymond James Financial Inc | Buy | +18,642 | — | 18,642 | $4.19K | Q4 2025 | Feb 18, 2026 |
| Newedge Advisors, Llc | Buy | +16,906 | — | 16,906 | $3.80K | Q4 2025 | Feb 18, 2026 |
| Millennium Management Llc | Buy | +288,496 | — | 288,496 | $64.88K | Q4 2025 | Feb 17, 2026 |
| &Partners | Buy | +100,000 | — | 100,000 | $22.49K | Q4 2025 | Feb 17, 2026 |
| Bank Of America Corp | Buy | +48,176 | — | 48,176 | $10.79K | Q4 2025 | Feb 17, 2026 |
| Northern Trust Corp | Buy | +47,674 | — | 47,674 | $10.72K | Q4 2025 | Feb 17, 2026 |
| Xtx Topco Ltd | Buy | +37,919 | — | 37,919 | $8.53K | Q4 2025 | Feb 17, 2026 |
| Tower Research Capital Llc (Trc) | Buy | +18,109 | — | 18,109 | $4.07K | Q4 2025 | Feb 17, 2026 |
| Cetera Investment Advisers | Buy | +18,006 | — | 18,006 | $4.05K | Q4 2025 | Feb 17, 2026 |
| Qube Research & Technologies Ltd | Buy | +16,836 | — | 16,836 | $3.79K | Q4 2025 | Feb 17, 2026 |
| Point72 Asset Management, L.P. | Buy | +14,476 | — | 14,476 | $3.26K | Q4 2025 | Feb 17, 2026 |
| Osaic Holdings, Inc. | Buy | +6,000 | — | 6,000 | $1.32K | Q4 2025 | Feb 17, 2026 |
| Islay Capital Management, Llc | Buy | +3,391 | — | 3,391 | $763.00 | Q4 2025 | Feb 17, 2026 |
| Royal Bank Of Canada | Buy | +1,842 | — | 1,842 | $0.00 | Q4 2025 | Feb 17, 2026 |
| Optiver Holding B.V. | Buy | +26 | — | 26 | $6.00 | Q4 2025 | Feb 17, 2026 |
| State Street Corp | Buy | +111,300 | — | 111,300 | $25.03K | Q4 2025 | Feb 13, 2026 |
| Saxon Interests, Inc. | Buy | +57,000 | — | 57,000 | $12.82K | Q4 2025 | Feb 13, 2026 |
| Wells Fargo & Company/Mn | Buy | +200 | — | 200 | $45.00 | Q4 2025 | Feb 13, 2026 |
| Barclays Plc | Buy | +1 | — | 1 | $0.00 | Q4 2025 | Feb 13, 2026 |
| Blackrock, Inc. | Buy | +482,401 | — | 482,401 | $108.49K | Q4 2025 | Feb 12, 2026 |
| Renaissance Technologies LLC | Buy | +171,800 | +287.3% | 231,600 | $52.09K | Q4 2025 | Feb 12, 2026 |
| Jane Street Group, Llc | Buy | +149,763 | — | 149,763 | $33.68K | Q4 2025 | Feb 12, 2026 |
| Drw Securities, Llc | Buy | +33,348 | — | 33,348 | $7.50K | Q4 2025 | Feb 12, 2026 |
| Brooklyn Investment Group | Buy | +11,500 | — | 11,500 | $2.88K | Q4 2025 | Feb 12, 2026 |
| Cerity Partners Llc | Buy | +93,919 | — | 93,919 | $21.12K | Q4 2025 | Feb 11, 2026 |
| Deutsche Bank Ag\ | Buy | +18 | — | 18 | $4.00 | Q4 2025 | Feb 11, 2026 |
| Goldman Sachs Group Inc | Buy | +10,468 | — | 10,468 | $2.35K | Q4 2025 | Feb 10, 2026 |
| Bnp Paribas Financial Markets | Buy | +1,306 | — | 1,306 | $294.00 | Q4 2025 | Feb 10, 2026 |
| Geode Capital Management, Llc | Buy | +348,761 | — | 348,761 | $78.47K | Q4 2025 | Feb 09, 2026 |
| Global Assets Advisory, Llc | Buy | +10,450 | — | 10,450 | $2.35K | Q4 2025 | Feb 09, 2026 |
Frequently asked questions about FBLG activity
Which institutional owners are buying FBLG?
Institutional owners buying FBLG include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in FBLG activity?
"Buy" means an investor increased their reported position in FBLG compared to the prior reporting period. This reflects growing exposure to FIBROBIOLOGICS INC (FBLG) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in FBLG increasing?
Institutional interest in FBLG can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
Related FBLG Institutional Insights
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