Shannon River Fund Management LLC

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Shannon River Fund Management LLC
CRD #161538
SEC #801-73444
CIK #0001301050
AUM 904.7 M (2026-03-26)
Employees 9 (56% Investors, 0% Brokers)
Phone212-331-6555
Address850 Third Avenue, 13th Floor
New York, NY 10022
Source [IAPD] [EDGAR] [Website]
Total AUM ($B)
3.02.41.81.20.60.02006201320202027
Sector Form 13F Holdings Value ($M)
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Rambus Inc 28.7
II-VI Inc 20.9
Flextronics International Ltd 20.4
Taser International Inc 20.1
Extreme Networks Inc 19.8
Toast Inc 19.4
View All
Holdings by Sector ($M)
19001520114076038002011201620212027
Type Form D Funds Date Sold AUM
HF Doonbeg Fund LP [2012-02-13] 12.0 M 24.3 M
HF Doonbeg Fund Ltd [2012-02-13] 21.1 M 100.7 M
HF Doonbeg Inter-Fund LP 2012-02-13 100.7 M
HF Doonbeg Master Fund LP [2012-02-13] 12.0 M 688.4 M
HF Shannon River Inter-Fund LP 2012-02-13 144.4 M
HF Shannon River Master Fund LP [2012-02-13] 59.8 M 0.5 M
HF Shannon River Partners II LP [2012-02-13] 214.1 M 101.7 M
HF Shannon River Partners LP 2012-02-13 61.6 M
HF Shannon River Partners Ltd 2012-02-13 144.4 M
AUM Breakdown Accounts AUM ($B)
By Client Type
(a) Individuals (other than high net worth individuals) 0 0.0
(b) Individuals (high net worth individuals) 0 0.0
(c) Banking or thrift institutions 0 0.0
(d) Investment companies 0 0.0
(e) Business development companies 0 0.0
(f) Pooled investment vehicles 8 0.9
(g) Pension and profit sharing plans 0 0.0
(h) Charitable organizations 0 0.0
(i) State or municipal government entities 0 0.0
(j) Other investment advisers 0 0.0
(k) Insurance companies 0 0.0
(l) Sovereign wealth funds and foreign official institutions 0 0.0
(m) Corporations or other businesses not listed above 0 0.0
(n) Other 0 0.0
Total 8 0.9
By Discretionary
Discretionary 8 0.9
Non-Discretionary 0 0.0
Total 8 0.9
By Non-United States Persons
Non-United States Persons 0.5
United States Persons 0.4
Total 8 0.9
Form D Directors Role # Filings # Firms 2011 - 2026
Patrick Agemian 111 30
Philip Cater 96 25
Spencer Waxman 5 2
EDGAR Form CIK 2011 - 2026
13F-HR [0001301050]
SC 13D [0001301050]
SC 13G [0001301050]
Form 13D/13G Filer Form 13D/13G Subject Filed
Shannon River Fund Management LLC Immersion Corp [2019-08-12]
Shannon River Fund Management LLC Immersion Corp [2018-03-05]
Shannon River Fund Management LLC WebMD Health Corp [2014-10-14]
Shannon River Fund Management LLC New Media Investment Group Inc [2014-09-29]
Shannon River Fund Management LLC Liveperson Inc [2014-08-25]
Shannon River Fund Management LLC PDF Solutions Inc [2014-04-11]
Shannon River Fund Management Co LLC Ellie Mae Inc [2013-08-13]
Shannon River Fund Management Co LLC Immersion Corp [2012-11-16]
Firm Profile (Form ADV)
Discretionary AUM$2.6B
ServesInstitutional
Fund TypesHedge Fund
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