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Page built 2026-09-29
Data as of 2026-09-29
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Fairmount Funds Management LLC: insider trades

Every open market trade Fairmount Funds Management LLC has filed with the SEC, when each filing appeared, and how the buys did against the S&P 500 once the filing was public.

Key Facts

  • Fairmount Funds Management LLC is listed as Director at CBIO, COGT, ORKA, SYRE, ZBIO.
  • Between 2026-03-31 (31 March 2026) and 2026-07-20 (20 July 2026) Fairmount Funds Management LLC filed 2 open market buys worth $15M and 3 open market sales worth $942M.
  • Across 1 scored buy, Fairmount Funds Management LLC averaged +16.5% against the S&P 500 (SPY) over the 90 days after disclosure, with 100% of them ahead of the index. That result is too few trades to tell.
  • Data as of 2026-09-29 (29 September 2026).
Open market buys 2 $15M
Open market sales 3 $942M
Avg vs S&P, 90d +16.5% 1 scored buys
Beat the S&P 100% 90 days after entry

Would copying Fairmount Funds Management LLC have paid?

prices as of 2026-09-28

The result. Across 1 scored buy, Fairmount Funds Management LLC averaged +16.5% against the S&P 500 (SPY) over the 90 days after disclosure, with 100% of them ahead of the index. That result is too few trades to tell.

Average return of Fairmount Funds Management LLC's open market buys against the S&P 500.
Days after entryScored buysAvg vs S&PBeat S&PEntry monthst statisticReading
30 days 2 -12.0% 0% 2 n/a too few trades to draw a conclusion
90 days 1 +16.5% 100% 1 n/a too few trades to tell
180 days 0 n/a n/a n/a n/a too few trades to tell

A return curve needs at least 10 scored buys. Fairmount Funds Management LLC does not have enough yet.

Stocks traded

  1. SYRE1 trade, $400M
  2. ORKA1 trade, $300M
  3. COGT1 trade, $243M
  4. CBIO1 trade, $12M
  5. ZBIO1 trade, $3.0M

Every open market trade

as of 2026-09-29
5 trades.
Open market trades filed by Fairmount Funds Management LLC, newest first.
FiledStockTypeSharesPriceValue90 day vs S&P
20 Jul 2026 CBIO buy 853,450 $14.50 $12M n/a
1 Jul 2026 ORKA sell 3,553,410 $84.43 $300M n/a
23 Jun 2026 SYRE sell 4,684,781 $85.31 $400M n/a
1 Apr 2026 ZBIO buy 150,000 $20.00 $3.0M +16.5%
31 Mar 2026 COGT sell 7,000,000 $34.66 $243M n/a

Insider sales are shown but not scored, because they are often planned for tax or diversification reasons.

Frequently asked questions

What has Fairmount Funds Management LLC bought and sold?

Between 2026-03-31 (31 March 2026) and 2026-07-20 (20 July 2026) Fairmount Funds Management LLC filed 2 open market buys worth $15M and 3 open market sales worth $942M.

Did Fairmount Funds Management LLC's buys beat the market?

Across 1 scored buy, Fairmount Funds Management LLC averaged +16.5% against the S&P 500 (SPY) over the 90 days after disclosure, with 100% of them ahead of the index. That result is too few trades to tell. Insider sales are not scored because they are often planned for tax or diversification reasons.

Sources: Insider trades: SEC Form 4 filings, collected from Finviz. Prices: Yahoo Finance daily adjusted closes. Data as of 2026-09-29 (29 September 2026). About these sources.

Not investment advice. Past disclosed trades do not predict future returns. Disclosures are published late, so the trades shown are ones you could only have copied after the fact. Talk to a licensed adviser before you invest.