ROSENBAUM JAY D
Q3 2024 Form 13-F
BOSTON, MASSACHUSETTS
CIK 0001622820
· Institutional investment manager
$6.7M Reported Value Total
Reported value
$6.7M
Quarter over quarter
-15.1%
Holdings
6
Top-10 concentration
100.0%
Filing Structure
Reports holdings for
- COHEN LAWRENCE B · File #028-12074 · Q4 2014 – Q3 2021 · declared by one filing
Holdings reported by
- UBS FINANCIAL SERVICES INC · Q2 2022 – Q3 2024 · declared by one filing
- WOODSTOCK CORP · Q2 2022 – Q3 2024 · declared by one filing
- Vontobel Swiss Financial Advisers AG · Q2 2022 – Q3 2024 · declared by one filing
- Aureus Asset Management LLC · Q2 2022 – Q3 2024 · declared by one filing
- COHEN LAWRENCE B · Q4 2014 – Q3 2021 · declared by one filing
- MERRILL LYNCH PIERCE FENNER & SMITH INC · Q3 2016 – Q3 2016 · declared by one filing
- JPMorgan Chase Bank N A · Q3 2016 – Q3 2016 · declared by one filing
Key People
Named on the latest Form 13-F filing — not necessarily an owner
Dennis Kushmerek
Trust Operations Senior Specialist
Filing Navigation
13F Metrics
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Q3 2024 13F record
Q3 2024 13F filing summary
| Period of report | September 30, 2024 |
|---|---|
| Filed | November 07, 2024 |
| Form | 13F-HR |
| Reported value | $6.7M |
| Positions | 6 |
| Change in reported value | -62.1% |
| New positions | 0 |
| Exited positions | 24 |
| Position turnover | 80.0% |
| Top-10 concentration | 100.0% |
13F filings by quarter
| Quarter | Positions | Value |
|---|---|---|
|
Q3 2024 13F
Filed Nov 7, 2024
|
6 | $6.7M |
|
Q2 2024 13F
Filed Jul 26, 2024
|
30 | $17.7M |
|
Q1 2024 13F
Filed May 15, 2024
|
30 | $17.6M |
|
Q4 2023 13F
Filed Feb 9, 2024
|
53 | $38.7M |
|
Q3 2023 13F
Filed Oct 23, 2023
|
62 | $59.7M |
|
Q2 2023 13F
Filed Jul 27, 2023
|
65 | $62.3M |
|
Q1 2023 13F
Filed May 11, 2023
|
54 | $54.4M |
|
Q4 2022 13F
Filed Feb 9, 2023
|
52 | $46.3M |
|
Q3 2022 13F
Filed Nov 10, 2022
|
55 | $43.4M |
|
Q2 2022 13F
Filed Aug 11, 2022
|
59 | $51.7M |
|
Q1 2022 13F
Filed May 12, 2022
|
66 | $63.3M |
|
Q4 2021 13F
Filed Feb 9, 2022
|
67 | $68.0M |
|
Q3 2021 13F
Filed Oct 26, 2021
|
44 | $60.2M |
|
Q2 2021 13F
Filed Jul 14, 2021
|
42 | $60.3M |
|
Q1 2021 13F
Filed Apr 26, 2021
|
45 | $58.3M |
|
Q4 2020 13F
Filed Feb 10, 2021
|
45 | $57.5M |
|
Q3 2020 13F
Filed Nov 3, 2020
|
47 | $54.2M |
|
Q2 2020 13F
Filed Jul 23, 2020
|
48 | $51.0M |
|
Q1 2020 13F
Filed Apr 22, 2020
|
45 | $43.3M |
|
Q4 2019 13F
Filed Jan 27, 2020
|
48 | $56.5M |
20 earlier quarters on file — choose one from the quarter menu above.
Top 6 holdings · Q3 2024
| # | Holding | Reported value | % of portfolio |
|---|---|---|---|
| 1 | NPWR Net Power Inc Cl A | $3.5M | 52.38% |
| 2 | CRK Comstock Resources Inc | $2.2M | 33.27% |
| 3 | NVDA NVIDIA Corp | $293.9K | 4.39% |
| 4 | AVGO Broadcom Inc | $263.9K | 3.94% |
| 5 | MSFT Microsoft Corp | $256.5K | 3.83% |
| 6 | NPWRWS Net Power Inc Warrant | $146.3K | 2.19% |
Values as reported on the Q3 2024 Form 13F. Every position is in the holdings table below.