13F Insight
DOSSIER · 13F Holders · Q1 2026Inflation hedgeYield

MOSAIC CO NEW CALL

8 institutions still hold MOSAIC CO NEW CALL as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 61945C903·8 13F holders·last filed Mar 31, 2026
Market cap
—
▼ 5.9%
vs prior quarter
13F value held
$91M
68.0% inst. owned
of float
Holders
8
+129 QoQ
filers reporting
Activity
+8 / −34
+960 added · −889 reduced
this quarter
Concentration
28.11%
Garda Capital Partners LP #1
top holder share
AI Holders Summary · Q1 2026

8 institutions reported MOSAIC CO NEW CALL in Q1 2026. Garda Capital Partners LP leads at 28.1% of the visible book. +129 net new institutions vs prior quarter — accumulation reading.

Top holders

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

#HolderValueShares% port.Quarter
01
Garda Capital Partners LP
CIK 0001666905
$26M1.0M6.68%Q1 202602
IMC-Chicago, LLC
CIK 0001452861· Market maker
$25M987K0.01%Q1 202603
GROUP ONE TRADING LLC
CIK 0000932540
$24M951K0.05%Q1 202604
SIMPLEX TRADING, LLC
CIK 0001488542
$9M348K0.01%Q1 202605
JPMORGAN CHASE & CO
CIK 0000019617
$6M227K0.00%Q1 202606
CenterStar Asset Management, LLC
CIK 0001722053
$1M40K0.13%Q1 202607
Warberg Asset Management LLC
CIK 0001597506
$765,00030K0.13%Q1 202608
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025