Security key
101044105
BOSTON OMAHA Corp - Class A common stock, par value $0.001 per share (BOC)
CUSIP: 101044105
Q1 2026 13F Holders as of 31 Mar 2026
- Security type / class
- Equity / Class A common stock, par value $0.001 per share
- Total 13F shares
- 20,579,563
- Total 13F value
- $240,482,885
- Share change
- +78,904
- SEC-reported price per share
- $11.68
- Number of holders
- 123
- Value change
- +$810,353
- Number of buys
- 48
- Number of sells
- 53
- Shares outstanding
- 29,897,531
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2026
Institutions
123
Top holders
10
BOC full security history
Ownership snapshot
Full 13F holder table
BOSTON OMAHA Corp SEC filings
BOSTON OMAHA Corp company facts
BOSTON OMAHA Corp 13D/G history
Broader feeds
Ownership snapshot
Top reported holders of BOC - BOSTON OMAHA Corp - Class A common stock, par value $0.001 per share (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
MASSACHUSETTS INSTITUTE O...
Disclosed value leader
MAGNOLIA GROUP, LLC
Comparable rows
15/15
Latest evidence
12 Feb 2026
13F
13D/G
3/4/5
Lead comparable stake: 5.2%
13D/G row: MASSACHUSETTS INSTITUTE OF TECHNOLOGY
Showing 1-6 of 15 holder rows.
Quick read
MASSACHUSETTS INSTITUTE OF TECHNOLOGY leads the comparable SEC ownership view at 5.2%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens MASSACHUSETTS INSTITUTE OF TECHNOLOGY's linked filing trail.
Comparable ownership
Top 5
MASSACHUSETTS INSTITUTE OF TECHNO...
5.2%
BlackRock, Inc.
5.1%
Joshua P. Weisenburger
0.1%
MAGNOLIA GROUP, LLC
19%
DIMENSIONAL FUND ADVISORS LP
5.2%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| MASSACHUSETTS INSTITUTE OF TECHNOLOGY |
13F
13D/G
Company · 238 Plan Associates LLC
|
5.2%
from 13D/G
|
$30,238,131
2,444,473 shares
|
— | 31 Dec 2025 |
| BlackRock, Inc. |
13F
13D/G
Company
|
5.1%
from 13D/G
|
$19,537,234
1,579,404 shares
|
— | 31 Dec 2025 |
| Joshua P. Weisenburger |
3/4/5
Chief Financial Officer
|
0.1%
|
$363,145
29,500 shares
|
— | 12 Feb 2026 |
| MAGNOLIA GROUP, LLC |
13F
Company
|
19%
|
$69,139,060
5,589,253 shares
|
— | 31 Dec 2025 |
| DIMENSIONAL FUND ADVISORS LP |
13F
Company
|
5.2%
|
$19,364,297
1,565,459 shares
|
— | 31 Dec 2025 |
| Elgethun Capital Management |
13F
Company
|
4.9%
|
$17,984,026
1,453,842 shares
|
— | 31 Dec 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q1 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
123
Shares
20,579,563
Rows available
123
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q1 2026 vs Q1 2026 Across Filers
Q1 2026 holders
123
Q1 2026 holders
123
Holder diff
0
| Investor | Q1 2026 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q1 2026 value | Q1 2026 value | Value change | Value Chg % |
|---|