13F Insight
DOSSIER · 13F Holders · Q1 2026

TAIWAN SEMICONDUCTOR MFG LTD PUT

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

CUSIP 874039950·14 13F holders·last filed Mar 31, 2026
Market cap
—
13F value held
$4.4B
visible holders
Holders
14
filers reporting
Concentration
38.01%
Optiver Holding B.V. #1
top holder share
AI Holders Summary · Q1 2026

14 institutions reported TAIWAN SEMICONDUCTOR MFG LTD PUT in Q1 2026. Optiver Holding B.V. leads at 38.0% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
Optiver Holding B.V.
CIK 0001859606· Market maker
$1.7B4.9M0.57%Q1 202602
IMC-Chicago, LLC
CIK 0001452861· Market maker
$1.2B3.6M0.44%Q1 202603
SIMPLEX TRADING, LLC
CIK 0001488542
$498M1.5M0.33%Q1 202604
JPMORGAN CHASE & CO
CIK 0000019617
$333M1.1M0.02%Q1 202605
GROUP ONE TRADING LLC
CIK 0000932540
$276M818K0.53%Q1 202606
Capital Markets Trading UK LLP
CIK 0001719165
$192M568K2.41%Q1 202607
CMT Capital Markets Trading GmbH
CIK 0001632813
$123M365K1.29%Q1 202608
RH Tailwind Management, LLC
CIK 0002065331
$31M93K4.00%Q1 202609
SG Americas Securities, LLC
CIK 0001313360
$12M832K0.01%Q1 202610
Maven Securities LTD
CIK 0001633046
$4M12K0.08%Q1 202611
Marathon Trading Investment Management LLC
CIK 0001572748
$135K4000.00%Q1 202612
All Terrain Financial Advisors, LLC
CIK 0001731358
$68K2000.02%Q1 202613
CHESAPEAKE ASSET MANAGEMENT LLC
CIK 0001079397
$1K150.00%Q1 202614
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025