Institutions / Corundum Group, Inc. / Activity

Activity — Corundum Group, Inc.

128 moves.

BiggestNew positionsBiggest addsExits
InsidersInstitutions
DateActionCompanyValueShares ΔPosition afterImpact
Q2 2026
as of
Trim464287408
Common stock
$-120.3K-530
-8.39%
5,790
0.39% of portfolio
low
Q2 2026
as of
TrimAmazon.com Inc
Common stock
$-114.2K-479
-5.28%
8,601
0.61% of portfolio
low
Q2 2026
as of
Add11135f101
Common stock
$112.2K+297
+4.58%
6,786
0.76% of portfolio
low
Q2 2026
as of
Trim464287606
Common stock
$-109.9K-935
-12.99%
6,265
0.22% of portfolio
low
Q2 2026
as of
AddJohnson & Johnson
Common stock
$106.7K+420
+5.73%
7,755
0.58% of portfolio
low
Q2 2026
as of
TrimProgressive CORP/OH
Common stock
$-102.9K-471
-27.13%
1,265
0.08% of portfolio
low
Q2 2026
as of
Trim464287309
Common stock
$-102.5K-745
-3.52%
20,435
0.83% of portfolio
low
Q2 2026
as of
TrimTSM
Taiwan Semiconductor Manufacturing Co Ltd
ADR
$-87.9K-184
-13.55%
1,174
0.17% of portfolio
low
Q2 2026
as of
Trim22160k105
Common stock
$-83.3K-89
-5.58%
1,507
0.42% of portfolio
low
Q2 2026
as of
Trim00287y109
Common stock
$-78.3K-311
-3.74%
8,000
0.60% of portfolio
low
Q2 2026
as of
Exit87261y106
Common stock
$-64.8K-11K
-100.00%
0
low
Q2 2026
as of
TrimWest Pharmaceutical Services Inc
Common stock
$-53.9K-150
-17.63%
701
0.07% of portfolio
low
Q2 2026
as of
Add46625h100
Common stock
$52.4K+160
+1.65%
9,835
0.95% of portfolio
low
Q2 2026
as of
Add90353t100
Common stock
$45.5K+631
+22.42%
3,445
0.07% of portfolio
low
Q2 2026
as of
AddPfizer Inc
Common stock
$44.0K+2K
+5.63%
34,264
0.24% of portfolio
low
Q2 2026
as of
AddDanaher Corp /De
Common stock
$41.3K+217
+15.25%
1,640
0.09% of portfolio
low
Q2 2026
as of
Add46120e602
Common stock
$38.6K+97
+18.41%
624
0.07% of portfolio
low
Q2 2026
as of
AddWarren E. Buffett
Common stock
$37.0K+74
+2.94%
2,589
0.38% of portfolio
low
Q2 2026
as of
TrimCadence Design Systems Inc
Common stock
$-27.8K-74
-8.52%
795
0.09% of portfolio
low
Q2 2026
as of
TrimGeneral Electric Co
Common stock
$-26.2K-70
-4.33%
1,548
0.17% of portfolio
low
Q2 2026
as of
AddArthur J. Gallagher & Co.
Common stock
$23.2K+101
+10.33%
1,079
0.07% of portfolio
low
Q2 2026
as of
AddAbbott Laboratories
Common stock
$16.6K+183
+1.90%
9,802
0.26% of portfolio
low
Q2 2026
as of
TrimSchwab Charles Corp
Common stock
$-12.0K-130
-5.22%
2,360
0.06% of portfolio
low
Q2 2026
as of
Add67092p805
Common stock
$4.3K+108
+1.29%
8,456
0.10% of portfolio
low
Q2 2026
as of
Add233051143
Common stock
$3.6K+53
+0.91%
5,852
0.12% of portfolio
low
Q2 2026
as of
Add524682200
Common stock
$2.2K+26
+0.41%
6,389
0.16% of portfolio
low
Q2 2026
as of
TrimTexas Instruments Inc
Common stock
$-1.2K-4
-0.19%
2,128
0.19% of portfolio
low
Q2 2026
as of
Trim83444m101
Common stock
$-1.0K-13
-0.16%
8,214
0.19% of portfolio
low
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