DOSSIER · 13F Holders · Q1 2026

TAIWAN SEMICONDUCTOR MFG LTD

13 institutions still hold TAIWAN SEMICONDUCTOR MFG LTD as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 874039900·13 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$2.3B
visible holders
Holders
13
filers reporting
Concentration
42.55%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q1 2026

13 institutions reported TAIWAN SEMICONDUCTOR MFG LTD in Q1 2026. IMC-Chicago, LLC leads at 42.5% 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
$997M2.9M0.36%Q1 2026
02
Optiver Holding B.V.
CIK 0001859606· Market maker
$496M1.5M0.17%Q1 2026
03
SIMPLEX TRADING, LLC
CIK 0001488542
$255M755K0.17%Q1 2026
04
JPMORGAN CHASE & CO
CIK 0000019617
$241M762K0.02%Q1 2026
05
GROUP ONE TRADING LLC
CIK 0000932540
$151M446K0.29%Q1 2026
06
CMT Capital Markets Trading GmbH
CIK 0001632813
$90M267K0.94%Q1 2026
07
Capital Markets Trading UK LLP
CIK 0001719165
$88M260K1.11%Q1 2026
08
SG Americas Securities, LLC
CIK 0001313360
$15M128K0.02%Q1 2026
09
Baer Investment Advisory LLC
CIK 0002057153
$9M6578.94%Q1 2026
10
OSAIC HOLDINGS, INC.
CIK 0001677044
$388K250.00%Q1 2026
11
CenterStar Asset Management, LLC
CIK 0001722053
$338K1K0.04%Q1 2026
12
Marathon Trading Investment Management LLC
CIK 0001572748
$304K9000.01%Q1 2026
13
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025