Rosenbaum Jay D 13F annual report

Rosenbaum Jay D is an investment fund managing more than $17.7 billion ran by Dennis Kushmerek. There are currently 30 companies in Mr. Kushmerek’s portfolio. The largest investments include Net Power Inc Cl A and Comstock Resources, together worth $6.99 billion.

$17.7 billion Assets Under Management (AUM)

As of 19th July 2024, Rosenbaum Jay D’s top holding is 500,000 shares of Net Power Inc Cl A currently worth over $4.92 billion and making up 27.8% of the portfolio value. In addition, the fund holds 200,000 shares of Comstock Resources worth $2.08 billion, whose value grew 28.0% in the past six months. The third-largest holding is Microsoft worth $986 million and the next is Amazon.com worth $783 million, with 4,052 shares owned.

Currently, Rosenbaum Jay D's portfolio is worth at least $17.7 billion. The total portfolio value may be much higher due to cash assets that are not publicly disclosed such as fixed income, real estate, or cash equivalents.

Careers at Rosenbaum Jay D

The Rosenbaum Jay D office and employees reside in Boston, Massachusetts. According to the last 13-F report filed with the SEC, Dennis Kushmerek serves as the Trust Operations Senior Specialist at Rosenbaum Jay D.

Recent trades

In the most recent 13F filing, Rosenbaum Jay D revealed that it had opened a new position in Vanguard Small-cap Index Fund Etf and bought 1,179 shares worth $257 million.

The investment fund also strengthened its position in Amazon.com by buying 60 additional shares. This makes their stake in Amazon.com total 4,052 shares worth $783 million. Amazon.com soared 42.5% in the past year.

On the other hand, there are companies that Rosenbaum Jay D is getting rid of from its portfolio. Rosenbaum Jay D closed its position in Home Depot on 26th July 2024. It sold the previously owned 707 shares for $271 million. Dennis Kushmerek also disclosed a decreased stake in Microsoft by 0.1%. This leaves the value of the investment at $986 million and 2,207 shares.

One of the smallest hedge funds

The two most similar investment funds to Rosenbaum Jay D are Mellon and Caxton Corp. They manage $17.7 billion and $17.6 billion respectively.


Dennis Kushmerek investment strategy

Rosenbaum Jay D’s portfolio is diversified across 9 sectors. Currently, their heaviest sector is Technology — making up 21.9% of the total portfolio value. The fund focuses on investments in the United States as 80.0% of the portfolio companies are based in the United States.

The majority of the companies in the fund’s portfolio are large-cap stocks. Stocks with a size of more than $10 billion in market cap make up 77% of the total holdings value. On the other hand, small-cap stocks make up only approximately 0.1% of the portfolio. The average market cap of the portfolio companies is close to $347 billion.

The complete list of Rosenbaum Jay D trades based on 13F SEC filings

These positions were updated on July 26th based on the fund’s latest 13F filing. Quickly find out what the most recently closed or increased positions are.

Security Shares Owned Value Allocation
Net Power Inc Cl A
No change
500,000
$4,915,000,000 27.82%
Comstock Resources, Inc.
No change
200,000
$2,076,000,000 11.75%
Microsoft Corporation
10.54%
2,207
$986,419,000 5.58%
Amazon.com Inc.
1.50%
4,052
$783,049,000 4.43%
Apple Inc
13.55%
3,191
$672,088,000 3.80%
Alphabet Inc
No change
3,362
$612,388,000 3.47%
NVIDIA Corp
773.79%
4,500
$555,930,000 3.15%
Meta Platforms Inc
No change
1,079
$544,053,000 3.08%
Broadcom Inc
43.11%
322
$516,981,000 2.93%
Visa Inc
4.29%
1,943
$509,979,000 2.89%
Unitedhealth Group Inc
No change
736
$374,815,000 2.12%
Adobe Inc
17.18%
614
$341,102,000 1.93%
Charles Schwab Corp.
12.43%
4,567
$336,542,000 1.91%
Booking Holdings Inc
15.49%
82
$324,843,000 1.84%
Thermo Fisher Scientific Inc.
5.71%
578
$319,634,000 1.81%
Salesforce Inc
0.42%
1,178
$302,864,000 1.71%
S&P Global Inc
15.99%
653
$291,238,000 1.65%
NextEra Energy Inc
7.49%
4,074
$288,480,000 1.63%
Healthequity Inc
27.52%
3,336
$287,563,000 1.63%
Net Power Inc Warrant
No change
125,000
$285,625,000 1.62%
Blackstone Inc
4.68%
2,238
$277,064,000 1.57%
Home Depot, Inc.
Closed
707
$271,205,000
Vanguard Small-cap Index Fund Etf
Opened
1,179
$257,069,000 1.46%
Wabtec Corp
No change
1,570
$248,139,000 1.40%
American Express Co.
No change
1,063
$246,138,000 1.39%
Vanguard Mid-cap Index Fund Etf
Opened
960
$232,416,000 1.32%
Waste Connections Inc
No change
1,318
$231,124,000 1.31%
Charter Communications Inc.
Opened
750
$224,220,000 1.27%
Alphabet Inc
Closed
1,460
$222,300,000
Fortive Corp
21.05%
2,818
$208,814,000 1.18%
Booz Allen Hamilton Holding Corp
10.57%
1,354
$208,381,000 1.18%
American Tower Corp.
8.23%
1,060
$206,043,000 1.17%
Sherwin-Williams Co.
Closed
587
$203,883,000
No transactions found
Showing first 500 out of 33 holdings