Shannon River Fund Management 13F annual report

Shannon River Fund Management is an investment fund managing more than $581 billion ran by Spencer Waxman. There are currently 21 companies in Mr. Waxman’s portfolio. The largest investments include Tower Semiconductor and Cognex, together worth $135 billion.

$581 billion Assets Under Management (AUM)

As of 6th August 2024, Shannon River Fund Management’s top holding is 1,983,350 shares of Tower Semiconductor currently worth over $78 billion and making up 13.4% of the portfolio value. Relative to the number of outstanding shares of Tower Semiconductor, Shannon River Fund Management owns more than approximately 0.1% of the company. In addition, the fund holds 1,225,452 shares of Cognex worth $57.3 billion, whose value grew 9.0% in the past six months. The third-largest holding is Interdigital Inc worth $51.7 billion and the next is NVIDIA Corp worth $51 billion, with 412,710 shares owned.

Currently, Shannon River Fund Management's portfolio is worth at least $581 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 Shannon River Fund Management

The Shannon River Fund Management office and employees reside in New York, New York. According to the last 13-F report filed with the SEC, Spencer Waxman serves as the Managing Member at Shannon River Fund Management.

Recent trades

In the most recent 13F filing, Shannon River Fund Management revealed that it had opened a new position in Marvell Technology Inc and bought 646,012 shares worth $45.2 billion. This means they effectively own approximately 0.1% of the company. Marvell Technology Inc makes up 11.6% of the fund's Technology sector allocation and has decreased its share price by approximately 0.1% in the past year.

The investment fund also strengthened its position in Tower Semiconductor by buying 150,014 additional shares. This makes their stake in Tower Semiconductor total 1,983,350 shares worth $78 billion. Tower Semiconductor dropped approximately 0.1% in the past year.

On the other hand, there are companies that Shannon River Fund Management is getting rid of from its portfolio. Shannon River Fund Management closed its position in Equinix Inc on 13th August 2024. It sold the previously owned 26,741 shares for $22.1 billion. Spencer Waxman also disclosed a decreased stake in Wix.com Ltd by 0.2%. This leaves the value of the investment at $48.8 billion and 306,835 shares.

One of the average hedge funds

The two most similar investment funds to Shannon River Fund Management are Live Oak Private Wealth and Holt Capital Advisors, L.L.C. Dba Holt Capital Partners, L.P.. They manage $582 billion and $581 billion respectively.


Spencer Waxman investment strategy

Shannon River Fund Management’s portfolio is diversified across 4 sectors. Currently, their heaviest sector is Technology — making up 66.8% of the total portfolio value. The fund focuses on investments in the United States as 66.7% 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 38% 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 $58.2 billion.

The complete list of Shannon River Fund Management trades based on 13F SEC filings

These positions were updated on August 13th 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
Tower Semiconductor Ltd.
8.18%
1,983,350
$77,965,489,000 13.41%
Cognex Corp.
23.18%
1,225,452
$57,302,136,000 9.86%
Interdigital Inc
20.24%
443,459
$51,689,581,000 8.89%
NVIDIA Corp
793.04%
412,710
$50,986,193,000 8.77%
Wix.com Ltd
16.52%
306,835
$48,808,244,000 8.40%
Marvell Technology Inc
Opened
646,012
$45,156,239,000 7.77%
Clearwater Analytics Hldgs I
102.78%
2,120,918
$39,279,402,000 6.76%
Flex Ltd
8.81%
1,243,975
$36,684,823,000 6.31%
Guidewire Software Inc
52.85%
199,513
$27,510,847,000 4.73%
Adobe Inc
Opened
45,563
$25,312,069,000 4.35%
Dynatrace Inc
87.29%
558,942
$25,007,065,000 4.30%
Equinix Inc
Closed
26,741
$22,070,149,000
Maplebear Inc
Opened
563,492
$18,110,633,000 3.12%
Varonis Sys Inc
Opened
329,082
$15,786,064,000 2.72%
Appian Corp
24.35%
460,060
$14,197,451,000 2.44%
Informatica Inc.
57.41%
382,967
$11,826,021,000 2.03%
Talkspace Inc
29.78%
4,788,449
$11,013,433,000 1.89%
Squarespace, Inc.
23.80%
248,345
$10,835,292,000 1.86%
Sprout Social, Inc.
Opened
293,621
$10,476,397,000 1.80%
Teradata Corp
Closed
262,471
$10,149,753,000
Akamai Technologies Inc
Closed
88,035
$9,574,686,000
ZoomInfo Technologies Inc.
Closed
562,632
$9,018,991,000
Global E Online Ltd
Closed
137,523
$4,998,961,000
Micron Technology Inc.
Opened
10,263
$1,349,893,000 0.23%
Broadcom Inc
Opened
7,040
$1,130,294,000 0.19%
Crowdstrike Holdings Inc
Opened
2,457
$941,498,000 0.16%
No transactions found
Showing first 500 out of 26 holdings