Issuer positions
19
Reporting Owner Activity for Mario J. Gabelli
Form 3/4/5 issuer positions and transaction evidence for this reporting owner.
Largest position
GABELLI DIVIDEND & INCOME TRUST
Disclosed value
$435.84M
Recent activity
Available
- Location
- Greenwich, CT
- Ownership summary
-
Disclosed holdings value
$435,843,230
Estimated from parsed Forms 3/4/5 holdings when values are available.
Issuer positions
19
Distinct issuers linked to this reporting owner in parsed SEC filings.
Largest parsed position
GABELLI DIVIDEND & INCOME TRUST (GDV)
About $164.09M reported in parsed filings.
Latest ownership filing
29 Apr 2026
Most recent owner-level filing date in the parsed SEC record.
+13 more
Values come from parsed SEC Forms 3/4/5 and should be verified against the source filing.
- Reporting signature
- Douglas R. Jamieson as Attorney-in-Fact for Mario J. Gabelli
- Source filings
- Open source filing history
Identity
SEC ownership signals
SEC record
SEC evidence
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Reported issuer positions for Mario J. Gabelli
GDV, GDV-PH
Forms 3/4/5
GABELLI DIVIDEND & INCOME TRUST
- Relationship
- Director, Control Person of Adviser
- Holdings value
- $164,092,765
- Past year net change
- +$58,606,313
- Change %
- +56%
- Report period
- 17 Feb 2026
GRX
Forms 3/4/5
Gabelli Healthcare & WellnessRx Trust
- Relationship
- Director, Control Person of Adviser
- Holdings value
- $47,519,294
- Past year net change
- +$37,402,163
- Change %
- +370%
- Report period
- 12 Jan 2026
GGZ
Forms 3/4/5
Gabelli Global Small & Mid Cap Value Trust
- Relationship
- Director, Control Person of Adviser, 10%+ Owner
- Holdings value
- $44,277,512
- Past year net change
- +$11,500,000
- Change %
- +35%
- Report period
- 26 Sep 2025
GAMI
Forms 3/4/5
GAMCO INVESTORS, INC. ET AL
- Relationship
- Chairman & CEO, Director, 10%+ Owner
- Holdings value
- $42,988,800
- Past year net change
- Change %
- Report period
- 14 May 2021
GDL
Forms 3/4/5
GDL FUND
- Relationship
- Director, Control Person of Adviser, 10%+ Owner
- Holdings value
- $42,255,480
- Past year net change
- -$13,528
- Change %
- -0.03%
- Report period
- 23 Feb 2026
GAB, GAB-PG
Forms 3/4/5
GABELLI EQUITY TRUST INC
- Relationship
- Director, Control Person of Adviser
- Holdings value
- $21,481,472
- Past year net change
- +$6,675,000
- Change %
- +45%
- Report period
- 28 Apr 2026
MPTI
Forms 3/4/5
M-tron Industries, Inc.
- Relationship
- 10%+ Owner
- Holdings value
- $16,912,874
- Past year net change
- Change %
- Report period
- 19 Nov 2024
GGT, GGT-PE
Forms 3/4/5
GABELLI MULTIMEDIA TRUST INC.
- Relationship
- Director, Control Person of Adviser
- Holdings value
- $11,072,773
- Past year net change
- +$68,315
- Change %
- +0.62%
- Report period
- 24 Feb 2026
GCV
Forms 3/4/5
GABELLI CONVERTIBLE & INCOME SECURITIES FUND INC
- Relationship
- Control Person of Adviser
- Holdings value
- $8,162,217
- Past year net change
- +$183,252
- Change %
- +2.3%
- Report period
- 10 Nov 2025
BATRA, BATRK
Forms 3/4/5
Atlanta Braves Holdings, Inc.
- Relationship
- 10%+ Owner
- Holdings value
- $6,886,125
- Past year net change
- Change %
- Report period
- 23 May 2025
LGL
Forms 3/4/5
LGL GROUP INC
- Relationship
- 10%+ Owner
- Holdings value
- $6,487,982
- Past year net change
- +$453,088
- Change %
- +7.5%
- Report period
- 16 Jan 2026
GUT, GUT-PC
Forms 3/4/5
GABELLI UTILITY TRUST
- Relationship
- Director, Control Person of Adviser
- Holdings value
- $6,424,445
- Past year net change
- Change %
- Report period
- 25 Oct 2024
GNT, GNT-PA
Forms 3/4/5
GAMCO Natural Resources, Gold & Income Trust
- Relationship
- Control Person of Adviser, 10%+ Owner
- Holdings value
- $4,400,000
- Past year net change
- Change %
- Report period
- 20 Mar 2026
MACT
Forms 3/4/5
MachTen, Inc.
- Relationship
- 10%+ Owner
- Holdings value
- $4,164,438
- Past year net change
- Change %
- Report period
- 05 Dec 2023
GLU, GLU-PB
Forms 3/4/5
GABELLI GLOBAL UTILITY & INCOME TRUST
- Relationship
- Control Person of Adviser
- Holdings value
- $3,800,000
- Past year net change
- Change %
- Report period
- 26 Dec 2024
BCV, BCV-PA
Forms 3/4/5
BANCROFT FUND LTD
- Relationship
- Director, Control Person of Adviser
- Holdings value
- $3,467,053
- Past year net change
- -$52,358
- Change %
- -1.5%
- Report period
- 05 Jan 2026
ECF, ECF-PA
Forms 3/4/5
ELLSWORTH GROWTH & INCOME FUND LTD
- Relationship
- Director, Control Person of Adviser
- Holdings value
- $1,450,000
- Past year net change
- Change %
- Report period
- 26 Jun 2025
ACGP
Forms 3/4/5
Associated Capital Group, Inc.
- Relationship
- Executive Chairman, Director, 10%+ Owner
- Holdings value
- Past year net change
- Change %
- Report period
- 07 Mar 2023
GGO
Forms 3/4/5
Gabelli Go Anywhere Trust
- Relationship
- Director, Control Person of Adviser
- Holdings value
- Past year net change
- Change %
- Report period
- 30 Sep 2021
Insider Transactions Reported by Mario J. Gabelli:
| Sym | Company | Class | Transaction | % | Reported value | Reported price | Shares | Shares after | Date | Ownership |
|---|
* indicates a reported price that failed the local validity check.