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JIC
Joel Isaacson & Co’s
Cerus
CERS
Stock Holding History
Joel Isaacson & Co’s Portfolio
CERS Stock Details
CERS Fund Activity
Bought
Maintained
Sold
Shares
Quarter
Market Value
Status
Shares
Change in
Stake
Trade Value
Portfolio Weight
Portfolio Position
2026
Q1
$155K
Hold
85,000
–
–
0.01%
437
2025
Q4
$175K
Sell
85,000
-15,000
-15%
-$26K
0.01%
442
2025
Q3
$159K
Buy
100,000
+60,000
+150%
+$81K
0.01%
434
2025
Q2
$56.4K
Hold
40,000
–
–
﹤0.01%
416
2025
Q1
$55.6K
Sell
40,000
-20,000
-33%
-$33.5K
﹤0.01%
395
2024
Q4
$92.4K
Hold
60,000
–
–
﹤0.01%
371
2024
Q3
$104K
Sell
60,000
-3,000
-5%
-$6.3K
0.01%
361
2024
Q2
$111K
Hold
63,000
–
–
0.01%
341
2024
Q1
$119K
Hold
63,000
–
–
0.01%
326
2023
Q4
$136K
Hold
63,000
–
–
0.01%
303
2023
Q3
$102K
Hold
63,000
–
–
0.01%
300
2023
Q2
$155K
Hold
63,000
–
–
0.01%
306
2023
Q1
$187K
Hold
63,000
–
–
0.01%
309
2022
Q4
$230K
Buy
+63,000
New
+$238K
0.02%
285
2017
Q2
–
Sell
-17,050
Closed
-$76K
–
179
2017
Q1
$76K
Hold
17,050
–
–
0.01%
169
2016
Q4
$74K
Hold
17,050
–
–
0.01%
258
2016
Q3
$106K
Buy
17,050
+2,050
+14%
+$13.4K
0.02%
226
2016
Q2
$94K
Hold
15,000
–
–
0.02%
243
2016
Q1
$89K
Buy
15,000
+4,000
+36%
+$22.2K
0.02%
249
2015
Q4
$70K
Hold
11,000
–
–
0.02%
276
2015
Q3
$50K
Buy
+11,000
New
+$56.9K
0.01%
336
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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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