Shannon River Fund Management LLC Quant / Systematic

Location: New York, NY

CIK: 0001301050 · Show all filings

Period: Q1 2026 (← Previous) (Next →)

Filing Date: May 14, 2026

Total Value: $524M (100.0% shares, 0.0% debt)

Holdings (28)

TSEM TOWER SEMICONDUCTOR LTD 16.9%

Value $88.48M Shares 504,239 Share Price $175.48 * Est. Cost/Share $31.38 Unrealized @ Report Date +310.6%

MRVL MARVELL TECHNOLOGY INC 10.7%

Value $55.82M Shares 563,573 Share Price $99.05 * Est. Cost/Share $70.77 Unrealized @ Report Date +14.6%

LYV LIVE NATION ENTERTAINMENT IN 8.6%

Value $44.9M Shares 294,398 Share Price $152.51 * Est. Cost/Share $144.33 Unrealized @ Report Date +2.8%

ABNB AIRBNB INC 6.0%

Value $31.19M Shares 247,006 Share Price $126.28 * Est. Cost/Share $129.40 Unrealized @ Report Date 0.0%

RMBS RAMBUS INC DEL 5.5%

Value $28.72M Shares 333,817 Share Price $86.03 * Est. Cost/Share $104.73 Unrealized @ Report Date 0.0%

COHR COHERENT CORP 4.0%

Value $20.94M Shares 87,905 Share Price $238.21 * Est. Cost/Share $108.33 Unrealized @ Report Date +96.9%

FLEX FLEXTRONICS INTL LTD 3.9%

Value $20.37M Shares 311,223 Share Price $65.46 * Est. Cost/Share $18.35 Unrealized @ Report Date +248.6%

AXON AXON ENTERPRISE INC 3.8%

Value $20.15M Shares 47,442 Share Price $424.69 * Est. Cost/Share $567.73 Unrealized @ Report Date -7.2%

EXTR EXTREME NETWORKS 3.8%

Value $19.8M Shares 1,313,061 Share Price $15.08 Est. Cost/Share $18.36 Unrealized @ Report Date -17.9%

TOST TOAST INC 3.7%

Value $19.41M Shares 732,027 Share Price $26.51 * Est. Cost/Share $31.01 Unrealized @ Report Date 0.0%

LGN LEGENCE CORP 3.6%

Value $19.06M Shares 337,638 Share Price $56.46 * Est. Cost/Share $39.53 Unrealized @ Report Date +23.5%

IDCC INTERDIGITAL INC 3.1%

Value $16.34M Shares 54,104 Share Price $302.00 * Est. Cost/Share $77.78 Unrealized @ Report Date +334.5%

HNGE HINGE HEALTH INC 3.1%

Value $16.09M Shares 417,182 Share Price $38.56 * Est. Cost/Share $44.83 Unrealized @ Report Date -9.4%

ADTN ADTRAN HOLDINGS INC 2.9%

Value $15.35M Shares 1,219,976 Share Price $12.58 * Est. Cost/Share $9.58 Unrealized @ Report Date 0.0%

CLS CELESTICA INC 2.9%

Value $15.07M Shares 53,495 Share Price $281.68 * Est. Cost/Share $301.37 Unrealized @ Report Date -0.1%

FFIV F5 INC 2.8%

Value $14.52M Shares 50,196 Share Price $289.33 * Est. Cost/Share $272.46 Unrealized @ Report Date 0.0%

LION LIONSGATE STUDIOS CORP 1.9%

Value $9.983M Shares 1,040,934 Share Price $9.59 * Est. Cost/Share $8.97 Unrealized @ Report Date 0.0%

GWRE GUIDEWIRE SOFTWARE INC 1.8%

Value $9.402M Shares 62,863 Share Price $149.56 Est. Cost/Share $164.17 Unrealized @ Report Date -8.5%

UUUU ENERGY FUELS INC 1.8%

Value $9.263M Shares 507,555 Share Price $18.25 * Est. Cost/Share $21.60 Unrealized @ Report Date 0.0%

SPHR SPHERE ENTERTAINMENT CO 1.6%

Value $8.611M Shares 73,345 Share Price $117.40 * Est. Cost/Share $99.94 Unrealized @ Report Date 0.0%

AMBA AMBARELLA INC 1.1%

Value $5.917M Shares 114,940 Share Price $51.47 * Est. Cost/Share $80.81 Unrealized @ Report Date -16.8%

APP APPLOVIN CORP 1.1%

Value $5.763M Shares 14,480 Share Price $398.00 * Est. Cost/Share $507.11 Unrealized @ Report Date 0.0%

DLR DIGITAL RLTY TR INC 1.0%

Value $5.377M Shares 29,838 Share Price $180.21 * Est. Cost/Share $155.03 Unrealized @ Report Date 0.0%

ALAB ASTERA LABS INC 1.0%

Value $5.194M Shares 47,394 Share Price $109.60 * Est. Cost/Share $167.29 Unrealized @ Report Date -5.8%

OSIS OSI SYSTEMS INC 1.0%

Value $5.117M Shares 19,274 Share Price $265.51 * Est. Cost/Share $275.87 Unrealized @ Report Date 0.0%

EQIX EQUINIX INC 1.0%

Value $5.001M Shares 5,102 Share Price $980.24 * Est. Cost/Share $764.11 Unrealized @ Report Date 0.0%

PLTR PALANTIR TECHNOLOGIES INC 0.8%

Value $4.264M Shares 29,150 Share Price $146.28 * Est. Cost/Share $87.82 Unrealized @ Report Date +75.6%

SNOW SNOWFLAKE INC 0.8%

Value $3.978M Shares 26,377 Share Price $150.82 * Est. Cost/Share $194.49 Unrealized @ Report Date 0.0%

Ticker	Issuer	Shares	Value	%	Share Price	Est. Cost/Share	Unrealized @ Report Date	Class	CUSIP
TSEM	TOWER SEMICONDUCTOR LTD	504,239	$88.48M	16.9%	$175.48 *	$31.38	+310.6%	SHS NEW	M87915274
MRVL	MARVELL TECHNOLOGY INC	563,573	$55.82M	10.7%	$99.05 *	$70.77	+14.6%	COM	573874104
LYV	LIVE NATION ENTERTAINMENT IN	294,398	$44.9M	8.6%	$152.51 *	$144.33	+2.8%	COM	538034109
ABNB	AIRBNB INC	247,006	$31.19M	6.0%	$126.28 *	$129.40	0.0%	COM CL A	009066101
RMBS	RAMBUS INC DEL	333,817	$28.72M	5.5%	$86.03 *	$104.73	0.0%	COM	750917106
COHR	COHERENT CORP	87,905	$20.94M	4.0%	$238.21 *	$108.33	+96.9%	COM	19247G107
FLEX	FLEXTRONICS INTL LTD	311,223	$20.37M	3.9%	$65.46 *	$18.35	+248.6%	ORD	Y2573F102
AXON	AXON ENTERPRISE INC	47,442	$20.15M	3.8%	$424.69 *	$567.73	-7.2%	COM	05464C101
EXTR	EXTREME NETWORKS	1,313,061	$19.8M	3.8%	$15.08	$18.36	-17.9%	COM	30226D106
TOST	TOAST INC	732,027	$19.41M	3.7%	$26.51 *	$31.01	0.0%	CL A	888787108
LGN	LEGENCE CORP	337,638	$19.06M	3.6%	$56.46 *	$39.53	+23.5%	CL A	52476L109
IDCC	INTERDIGITAL INC	54,104	$16.34M	3.1%	$302.00 *	$77.78	+334.5%	COM	45867G101
HNGE	HINGE HEALTH INC	417,182	$16.09M	3.1%	$38.56 *	$44.83	-9.4%	CL A	433313103
ADTN	ADTRAN HOLDINGS INC	1,219,976	$15.35M	2.9%	$12.58 *	$9.58	0.0%	COM	00486H105
CLS	CELESTICA INC	53,495	$15.07M	2.9%	$281.68 *	$301.37	-0.1%	COM	15101Q207
FFIV	F5 INC	50,196	$14.52M	2.8%	$289.33 *	$272.46	0.0%	COM	315616102
LION	LIONSGATE STUDIOS CORP	1,040,934	$9.983M	1.9%	$9.59 *	$8.97	0.0%	COM	53626N102
GWRE	GUIDEWIRE SOFTWARE INC	62,863	$9.402M	1.8%	$149.56	$164.17	-8.5%	COM	40171V100
UUUU	ENERGY FUELS INC	507,555	$9.263M	1.8%	$18.25 *	$21.60	0.0%	COM NEW	292671708
SPHR	SPHERE ENTERTAINMENT CO	73,345	$8.611M	1.6%	$117.40 *	$99.94	0.0%	CL A	55826T102
AMBA	AMBARELLA INC	114,940	$5.917M	1.1%	$51.47 *	$80.81	-16.8%	SHS	G037AX101
APP	APPLOVIN CORP	14,480	$5.763M	1.1%	$398.00 *	$507.11	0.0%	COM CL A	03831W108
DLR	DIGITAL RLTY TR INC	29,838	$5.377M	1.0%	$180.21 *	$155.03	0.0%	COM	253868103
ALAB	ASTERA LABS INC	47,394	$5.194M	1.0%	$109.60 *	$167.29	-5.8%	COM	04626A103
OSIS	OSI SYSTEMS INC	19,274	$5.117M	1.0%	$265.51 *	$275.87	0.0%	COM	671044105
EQIX	EQUINIX INC	5,102	$5.001M	1.0%	$980.24 *	$764.11	0.0%	COM	29444U700
PLTR	PALANTIR TECHNOLOGIES INC	29,150	$4.264M	0.8%	$146.28 *	$87.82	+75.6%	CL A	69608A108
SNOW	SNOWFLAKE INC	26,377	$3.978M	0.8%	$150.82 *	$194.49	0.0%	COM SHS	833445109