BBLG
Bone Biologics CorpCompany with tickers: BBLG, BBLGW
CIK
1419554
CUSIP
098070600
Shares Outstanding
1,795,260
13F Activity (30d)
2 filings
2 filers
Holders: 3
Total Value: $4,852
Total Shares: 4,412
Institutional Ownership Trend
Holder Concentration
Across 3 13F filers · Δ vs Dec 31, 2025Top Holder
93.5%
+47.4 pts
Top 5
100.0%
+0.5 pts
Top 10
100.0%
0.0 pts
HHI
8,776
Highly concentrated
+5,665
Quarterly Activity
vs Dec 31, 2025
New
0
Increased
1
Decreased
1
Sold Out
4
Unchanged
1
Holder count:
-4
Institutional value:
-93.4%
Shares held:
-91.4%
Top Buyers
vs Dec 31, 2025| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Mid Tower Research Capital LLC (TRC) | +747 | 4,126 |
Top Sellers
vs Dec 31, 2025| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Mega UBS Group AG | −1,892 | 56 |
Top New Positions
vs Dec 31, 2025No new positions this quarter.
Top Sold-Out Positions
vs Dec 31, 2025| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Mid DRW Securities, LLC | 23,576 | $34,185 | |
| Mega TWO SIGMA INVESTMENTS, LP | 11,083 | $16,070 | |
| Mega CITADEL ADVISORS LLC | 10,844 | $15,723 | |
| Mega BANK OF AMERICA CORP /DE/ | 14 | $20 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Mid Tower Research Capital LLC (TRC) | $4,538 | 93.53% | 4,126 | Shares | Defined | 2026-05-15 | ||||
| Mid SBI Securities Co., Ltd. Broker-Dealer | $253 | 5.21% | 230 | Shares | Defined | 2026-04-28 | ||||
| Mega UBS Group AG | $61 | 1.26% | 56 | Shares | Defined | 2026-05-05 | ||||
| No holders match your search. | ||||||||||