Fairmount Funds Management 13F annual report

Fairmount Funds Management is an investment fund managing more than $885 billion ran by Erin O'connor. There are currently 13 companies in Mrs. O'connor’s portfolio. The largest investments include Axsome Therapeutics Inc and Nuvalent Inc, together worth $336 billion.

$885 billion Assets Under Management (AUM)

As of 7th August 2024, Fairmount Funds Management’s top holding is 2,360,077 shares of Axsome Therapeutics Inc currently worth over $190 billion and making up 21.5% of the portfolio value. Relative to the number of outstanding shares of Axsome Therapeutics Inc, Fairmount Funds Management owns more than approximately 0.1% of the company. In addition, the fund holds 1,924,626 shares of Nuvalent Inc worth $146 billion. The third-largest holding is Spyre Therapeutics Inc worth $94.5 billion and the next is Apogee Therapeutics Inc worth $80.6 billion, with 2,048,647 shares owned.

Currently, Fairmount Funds Management's portfolio is worth at least $885 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 Fairmount Funds Management

The Fairmount Funds Management office and employees reside in West Conshohocken, Pennsylvania. According to the last 13-F report filed with the SEC, Erin O'connor serves as the Chief Compliance Officer at Fairmount Funds Management.

Recent trades

In the most recent 13F filing, Fairmount Funds Management revealed that it had opened a new position in Kiniksa Pharmaceuticals Intl and bought 3,204,841 shares worth $59.8 billion.

The investment fund also strengthened its position in Spyre Therapeutics Inc by buying 3,639,680 additional shares. This makes their stake in Spyre Therapeutics Inc total 4,018,101 shares worth $94.5 billion.

On the other hand, there are companies that Fairmount Funds Management is getting rid of from its portfolio. Fairmount Funds Management closed its position in Kiniksa Pharmaceuticals International Plc on 14th August 2024. It sold the previously owned 3,204,841 shares for $63.2 billion. Erin O'connor also disclosed a decreased stake in Terns Pharmaceuticals Inc by 0.6%. This leaves the value of the investment at $5.1 billion and 748,996 shares.

One of the average hedge funds

The two most similar investment funds to Fairmount Funds Management are Voya Advisors and Mkp Capital Management, L.L.C. They manage $885 billion and $886 billion respectively.


Erin O'connor investment strategy

Fairmount Funds Management’s portfolio is diversified across 2 sectors. Currently, their heaviest sector is Health Care — making up 37.1% of the total portfolio value. The fund focuses on investments in the United States as 30.8% 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 approximately 0.1% 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 $1.17 billion.

The complete list of Fairmount Funds Management trades based on 13F SEC filings

These positions were updated on August 14th 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
Axsome Therapeutics Inc
No change
2,360,077
$189,986,199,000 21.46%
Nuvalent Inc
No change
1,924,626
$146,002,128,000 16.50%
Spyre Therapeutics Inc
961.81%
4,018,101
$94,465,555,000 10.67%
Apogee Therapeutics Inc
No change
2,048,647
$80,614,259,000 9.11%
Enliven Therapeutics Inc
No change
3,202,798
$74,849,389,000 8.46%
Dianthus Therapeutics Inc
No change
2,762,837
$71,502,222,000 8.08%
Kiniksa Pharmaceuticals International Plc.
Closed
3,204,841
$63,231,513,000
Kiniksa Pharmaceuticals Intl
Opened
3,204,841
$59,834,381,000 6.76%
Cogent Biosciences, Inc.
31.74%
6,225,641
$52,482,154,000 5.93%
Astria Therapeutics Inc
No change
3,554,129
$32,342,574,000 3.65%
Merus N.V
Closed
717,254
$32,297,948,000
Protagonist Therapeutics Inc
No change
931,890
$32,289,989,000 3.65%
Viridian Therapeutics Inc
No change
1,845,813
$24,014,027,000 2.71%
Tyra Biosciences Inc
Closed
1,393,329
$22,850,596,000
Geron Corp.
Closed
6,666,667
$22,000,001,000
Bicycle Therapeutics plc
Opened
1,069,199
$21,640,588,000 2.44%
Terns Pharmaceuticals Inc
63.28%
748,996
$5,100,663,000 0.58%
No transactions found
Showing first 500 out of 17 holdings