DOSSIER · 13F Holders · Q1 2026Defensive growthQuality

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
2.3%
vs prior quarter
13F value held
$4.0B
47.0% inst. owned
of float
Holders
14
-110 QoQ
filers reporting
Activity
+64 / −73
+818 added · −795 reduced
this quarter
Concentration
41.08%
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 41.1% of the visible book. -110 net institutions QoQ — distribution reading.

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 2026
02
IMC-Chicago, LLC
CIK 0001452861· Market maker
$1.2B3.6M0.44%Q1 2026
03
SIMPLEX TRADING, LLC
CIK 0001488542
$498M1.5M0.33%Q1 2026
04
JPMORGAN CHASE & CO
CIK 0000019617
$333M1.1M0.02%Q1 2026
05
GROUP ONE TRADING LLC
CIK 0000932540
$276M818K0.53%Q1 2026
06
RH Tailwind Management, LLC
CIK 0002065331
$31M93K4.00%Q1 2026
07
Maven Securities LTD
CIK 0001633046
$4M12K0.08%Q1 2026
08
Capital Markets Trading UK LLP
CIK 0001719165
$191,989568K2.41%Q1 2026
09
Marathon Trading Investment Management LLC
CIK 0001572748
$135,1804000.00%Q1 2026
10
CMT Capital Markets Trading GmbH
CIK 0001632813
$123,250365K1.29%Q1 2026
11
All Terrain Financial Advisors, LLC
CIK 0001731358
$67,5902000.02%Q1 2026
12
SG Americas Securities, LLC
CIK 0001313360
$11,550832K0.01%Q1 2026
13
CHESAPEAKE ASSET MANAGEMENT LLC
CIK 0001079397
$1,012150.00%Q1 2026
14
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025