DOSSIER · 13F Holders · Q2 2026

TAIWAN SEMICONDUCTOR MFG LTD

13 institutions still hold TAIWAN SEMICONDUCTOR MFG LTD as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 874039900·13 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$4.9B
visible holders
Holders
13
filers reporting
Concentration
37.22%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q2 2026

13 institutions reported TAIWAN SEMICONDUCTOR MFG LTD in Q2 2026. IMC-Chicago, LLC leads at 37.2% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
IMC-Chicago, LLC
CIK 0001452861· Market maker
$1.8B3.8M0.43%Q2 2026
02
Optiver Holding B.V.
CIK 0001859606· Market maker
$930M1.9M0.25%Q2 2026
03
1832 Asset Management L.P.
CIK 0000944388
$812M1.7M0.41%Q2 2026
04
JPMORGAN CHASE & CO
CIK 0000019617
$481M1.1M0.03%Q2 2026
05
GROUP ONE TRADING LLC
CIK 0000932540
$358M749K0.50%Q2 2026
06
SIMPLEX TRADING, LLC
CIK 0001488542
$280M587K0.16%Q2 2026
07
CMT Capital Markets Trading GmbH
CIK 0001632813
$90M267K0.94%Q1 2026
08
Capital Markets Trading UK LLP
CIK 0001719165
$88M260K1.11%Q1 2026
09
SG Americas Securities, LLC
CIK 0001313360
$15M128K0.02%Q1 2026
10
Baer Investment Advisory LLC
CIK 0002057153
$7M5655.37%Q3 2026
11
AlphaCore Capital LLC
CIK 0001713662
$2M500.03%Q2 2026
12
OSAIC HOLDINGS, INC.
CIK 0001677044
$663K220.00%Q2 2026
13
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025