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Mariner’s
Mirion Technologies
MIR
Stock Holding History
Mariner’s Portfolio
MIR Stock Details
MIR Fund Activity
Bought
Maintained
Sold
Shares
Quarter
Market Value
Status
Shares
Change in
Stake
Trade Value
Portfolio Weight
Portfolio Position
2026
Q1
–
Sell
-62,504
Closed
-$1.46M
–
3721
2025
Q4
$1.46M
Buy
62,504
+26,698
+75%
+$666K
﹤0.01%
1684
2025
Q3
$833K
Sell
35,806
-21,648
-38%
-$468K
﹤0.01%
2047
2025
Q2
$1.24M
Buy
57,454
+1,276
+2%
+$22K
﹤0.01%
1652
2025
Q1
$815K
Buy
56,178
+36,137
+180%
+$568K
﹤0.01%
1828
2024
Q4
$350K
Sell
20,041
-20
-0.1%
-$310
﹤0.01%
2489
2024
Q3
$222K
Sell
20,061
-6,445
-24%
-$67.8K
﹤0.01%
2846
2024
Q2
$285K
Buy
26,506
+4,222
+19%
+$44.9K
﹤0.01%
2495
2024
Q1
$253K
Buy
22,284
+6,029
+37%
+$60.4K
﹤0.01%
2584
2023
Q4
$167K
Buy
16,255
+4,195
+35%
+$35.4K
﹤0.01%
2744
2023
Q3
$90.1K
Sell
12,060
-2,127
-15%
-$16.8K
﹤0.01%
2693
2023
Q2
$120K
Buy
+14,187
New
+$115K
﹤0.01%
2592
2022
Q4
–
Sell
-10,669
Closed
-$80K
–
2797
2022
Q3
$80K
Buy
+10,669
New
+$75.1K
﹤0.01%
2248
Other funds holding MIR
BlackRock
New York
$5.7T AUM
30.48%
1-Year Est. Return
VPM
Vanguard Portfolio Management
Malvern, Pennsylvania
$1.91T AUM
T. Rowe Price Investment Management
Baltimore, Maryland
$145B AUM
22.78%
1-Year Est. Return
VCM
Vanguard Capital Management
Malvern, Pennsylvania
$4.04T AUM
State Street
Boston, Massachusetts
$2.9T AUM
29.55%
1-Year Est. Return
CLG
Cooperman Leon G
$3.05B AUM
42.78%
1-Year Est. Return
Goldman Sachs
New York
$761B AUM
31.28%
1-Year Est. Return
Fidelity Investments
Boston, Massachusetts
$1.9T AUM
41.92%
1-Year Est. Return
Geode Capital Management
Boston, Massachusetts
$1.61T AUM
30.72%
1-Year Est. Return
Millennium Management
New York
$134B AUM
35.51%
1-Year Est. Return
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Fund Insights
Common Fund Bets
See what stocks and ETFs funds are collectively bullish/bearish on
Largest Fund Trades
Explore the largest stock and ETF buys and sells made by funds
High Conviction Trades
Discover high conviction trades that caused a significant change in a fund's stake in a stock
Fund Manager Portfolios
Gain insights from the world’s largest funds and super investors
WSR Indexes
Fund Manager Index
Stock index based on fund manager consensus updated each quarter
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