Stocks/Funds/CIK 1638555

SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC

long-term holder
Quarterly 13F filings · Latest period 2026-03-31 · CIK 1638555
Assets
$2.04B
+0.2% YoY
Holdings
64
Lifetime alpha vs market
+4.03% annual
Average hold time
1.6 yr
median 1.3 yr

Quarterly history

Cum return +78% vs S&P +52% · α +26% lifetimeAUM $2.0B · peak $3.4BFlow $-1.5B (-43%)2016-062017-122019-062020-122022-062023-122025-062026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
-25.22%
trims when stocks drop
when a holding falls −10%+
Middle response
-11.73%
baseline attrition
Rally response
-6.21%
trims into rallies
when a holding rises +10%+

Top positions · 30

Ticker$ value% portYoYHold time
TSEMTower Semiconductor Ltd.$121M6.0%+392.1%2.0 yr
SNDKSandisk Corporation$118M5.8%+1234.5%1.0 yr
IONSIonis Pharmaceuticals, I$105M5.2%+148.9%0.8 yr
SEISolaris Energy Infrastru$98M4.8%+163.1%1.5 yr
DOCNDigitalOcean Holdings, I$80M3.9%+156.9%0.5 yr
GHGuardant Health, Inc.$80M3.9%+116.8%2.5 yr
NVDANVIDIA Corporation$78M3.9%+60.9%4.5 yr
NTRANatera, Inc.$74M3.7%+41.4%2.5 yr
AKAMAkamai Technologies, Inc$67M3.3%+42.7%0.3 yr
MKSIMKS Inc.$65M3.2%+188.8%1.5 yr
AEISAdvanced Energy Industri$54M2.6%+239.4%1.5 yr
SIMOSilicon Motion Technolog$51M2.5%+127.9%3.3 yr
LSCCLattice Semiconductor Co$49M2.4%+76.9%4.0 yr
SPOTSpotify Technology S.A.$44M2.1%-11.8%2.3 yr
TSMTaiwan Semiconductor Man$42M2.1%+105.6%2.5 yr

Portfolio composition (YoY)

Industry mix
Semiconductors24.0%+11.8pp$488M
Software - Infrastructure12.0%+5.3pp$244M
Hardware, Equipment & Parts9.0%+8.9pp$183M
Medical - Diagnostics & Research8.7%+4.7pp$177M
Biotechnology8.1%-4.5pp$165M
Electrical Equipment & Parts5.6%+1.7pp$115M
Oil & Gas Equipment & Services4.8%+3.3pp$98M
Software - Application4.5%-6.4pp$91M
Industrial - Machinery3.8%+3.2pp$78M
Internet Content & Information3.6%-5.1pp$74M
Country
US81.7%+4.9pp
IL6.5%+4.2pp
HK2.5%+1.8pp
LU2.1%-3.2pp
TW2.1%+0.5pp
IE1.7%
RU1.4%
CR1.1%+0.4pp
Top 5: 25.7% · Top 10: 43.6% · Top 25: 73.2%

Winners

TickerPrev $PnLYoY %
TSEM$35M+0.14B392.1%
AEIS$57M+0.13B239.4%
VRT$24M+0.06B247.5%
SEI$31M+0.05B163.1%
TSM$32M+0.03B105.6%

Losers

TickerPrev $PnLYoY %
WGS$107M-0.03B-27.5%
SPOT$108M-0.01B-11.8%
IOT$59M-0.01B-17.3%
SKY$47M-0.01B-21.5%
COMP$31M-0.01B-16.3%

Top buys this quarter · 15

AKAM Akamai Technologies, Inc.new+$67M
DOCN DigitalOcean Holdings, Inc.+$56M
ETN Eaton Corporation plcnew+$34M
ADI Analog Devices, Inc.+$31M
CRUS Cirrus Logic, Inc.+$26M
LSCC Lattice Semiconductor Corporat+$22M
FPS Forgent Power Solutions, Inc.new+$21M
NET Cloudflare, Inc.+$17M
RRX Regal Rexnord Corporationnew+$15M
AEVA Aeva Technologies, Inc.new+$12M

Top sells this quarter · 15

SNDK Sandisk Corporation$352M
GEV GE Vernova Inc.exit$212M
MDB MongoDB, Inc.$60M
ARGX argenx SEexit$60M
NVDA NVIDIA Corporation$57M
ALAB Astera Labs, Inc. Common Stockexit$56M
SPOT Spotify Technology S.A.$55M
CRDO Credo Technology Group Holding$54M
VIAV Viavi Solutions Inc.exit$53M
FROG JFrog Ltd.$51M

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$2.04B64+66.61%+17.59%+49.02%-1.47B
2025-12-31$3.40B68+38.43%+17.72%+20.71%+0.07B
2025-09-30$2.91B70+46.52%+17.52%+29.00%+0.15B
2025-06-30$2.46B70+42.64%+14.94%+27.70%-0.10B
2025-03-31$2.03B59+22.13%+8.30%+13.83%-0.49B
2024-12-31$2.94B66+52.43%+24.89%+27.54%+0.30B
2024-09-30$2.18B63+38.11%+36.04%+2.07%-0.16B
2024-06-30$2.15B69+15.78%+24.49%-8.71%-0.09B
2024-03-31$2.08B67+13.30%+29.62%-16.32%+0.12B
2023-12-31$1.83B74+16.27%+26.18%-9.91%+0.09B
2023-09-30$1.58B58-7.82%+21.57%-29.39%-0.21B
2023-06-30$1.97B69+6.66%+19.42%-12.76%+0.09B
2023-03-31$1.78B66-22.68%-7.82%-14.87%+0.28B
2022-12-31$1.37B61-12.88%+7.56%-20.44%+0.32B
2022-09-30$1.21B59+5.59%-4.93%+10.52%-0.12B
2022-06-30$1.26B61-23.45%-16.11%-7.34%-0.13B