DOSSIER · 13F Holders · Q1 2026

MILL CITY VENTURES III LTD

44 institutions still hold MILL CITY VENTURES III LTD as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 59982U200·44 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$25M
visible holders
Holders
44
filers reporting
Concentration
32.84%
MMCAP International Inc. SPC #1
top holder share
AI Holders Summary · Q1 2026

44 institutions reported MILL CITY VENTURES III LTD in Q1 2026. MMCAP International Inc. SPC leads at 32.8% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
MMCAP International Inc. SPC
CIK 0001304857
$8M6.7M0.69%Q1 2026
02
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$4M2.9M0.00%Q1 2026
03
Arrington Capital Management, LLC
CIK 0002087115
$2M1.7M2.07%Q1 2026
04
TWO SIGMA ADVISERS, LP
CIK 0001478735
$2M1.1M0.00%Q4 2025
05
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$2M1.4M0.00%Q1 2026
06
CANTOR FITZGERALD, L. P.
CIK 0001024896
$2M1.3M0.02%Q1 2026
07
Electric Capital Partners, LLC
CIK 0002087133
$1M923K0.95%Q1 2026
08
UBS Group AG
CIK 0001610520
$1M865K0.00%Q1 2026
09
CITADEL ADVISORS LLC
CIK 0001423053
$713K427K0.00%Q4 2025
10
BlackRock, Inc.
CIK 0002012383
$572K473K0.00%Q1 2026
11
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$555K459K0.00%Q1 2026
12
JANE STREET GROUP, LLC
CIK 0001595888· Market maker
$317K262K0.00%Q1 2026
13
VANGUARD FIDUCIARY TRUST CO
CIK 0000933478· Index
$273K225K0.00%Q1 2026
14
MARSHALL WACE, LLP
CIK 0001318757
$270K161K0.00%Q4 2025
15
WOLVERINE TRADING, LLC
CIK 0000927337
$262K65K0.00%Q3 2025
16
GROUP ONE TRADING LLC
CIK 0000932540
$204K168K0.00%Q1 2026
17
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
CIK 0000884546· Index
$195K161K0.00%Q1 2026
18
STATE STREET CORP
CIK 0000093751
$177K147K0.00%Q1 2026
19
Quadrature Capital Ltd
CIK 0001651424
$128K77K0.00%Q4 2025
20
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$103K85K0.00%Q1 2026
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