Stocks/Funds/CIK 1621855

Alta Park Capital, LP

long-term holderconcentrated
Quarterly 13F filings · Latest period 2026-03-31 · CIK 1621855
Assets
$622M
+20.7% YoY
Holdings
24
Lifetime alpha vs market
+10.17% annual
Average hold time
2.4 yr
median 1.0 yr

Quarterly history

Cum return +124% vs S&P +52% · α +72% lifetimeAUM $622M · peak $1.3BFlow $-324M (-39%)2016-032017-092019-032020-122022-062023-122025-062026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
-10.19%
trims when stocks drop
when a holding falls −10%+
Middle response
-8.79%
baseline attrition
Rally response
-11.41%
trims into rallies
when a holding rises +10%+

Top positions · 24

Ticker$ value% portYoYHold time
NFLXNetflix, Inc.$48M7.7%+3.1%9.3 yr
NUNu Holdings Ltd.$44M7.1%+40.3%4.5 yr
AAPLApple Inc.$37M6.0%+14.7%1.8 yr
AMATApplied Materials, Inc.$35M5.6%+137.6%0.8 yr
WDCWestern Digital Corporat$34M5.5%+571.9%1.0 yr
SNDKSandisk Corporation$33M5.3%+1234.5%0.8 yr
NVDANVIDIA Corporation$32M5.1%+60.9%3.3 yr
ASMLASML Holding N.V.$28M4.5%+100.9%0.5 yr
TERTeradyne, Inc.$28M4.5%+260.2%0.8 yr
TSEMTower Semiconductor Ltd.$27M4.3%+392.1%0.5 yr
PANWPalo Alto Networks, Inc.$26M4.1%-6.0%6.8 yr
COMPCompass, Inc.$25M4.0%-16.3%4.0 yr
SPOTSpotify Technology S.A.$23M3.7%-11.8%3.3 yr
LITELumentum Holdings Inc.$23M3.6%+1027.3%0.3 yr
METAMeta Platforms, Inc.$22M3.6%-0.4%4.0 yr

Portfolio composition (YoY)

Industry mix
Semiconductors30.4%+25.4pp$189M
Entertainment10.6%+4.1pp$66M
Software - Infrastructure10.0%-4.2pp$62M
Hardware, Equipment & Parts8.9%$56M
Internet Content & Information7.3%-8.3pp$46M
Banks - Diversified7.1%+0.4pp$44M
Consumer Electronics6.0%$37M
Computer Hardware5.5%$34M
Software - Application4.0%-11.2pp$25M
Communication Equipment3.6%$23M
Country
US78.0%+20.3pp
BR7.1%+0.4pp
NL4.5%
IL4.3%
LU3.7%-2.6pp
UY2.4%-5.5pp
Top 5: 31.9% · Top 10: 55.6% · Top 25: 100.0%

Winners

TickerPrev $PnLYoY %
NU$35M+0.01B40.3%
NVDA$21M+0.01B60.9%
NFLX$34M+0.00B3.1%
META$26M-0.00B-0.4%
PANW$21M-0.00B-6.0%

Losers

TickerPrev $PnLYoY %
S$38M-0.01B-29.2%
COMP$32M-0.01B-16.3%
MELI$41M-0.00B-11.4%
SPOT$33M-0.00B-11.8%
PANW$21M-0.00B-6.0%

Top buys this quarter · 9

LITE Lumentum Holdings Inc.new+$23M
LYV Live Nation Entertainment, Incnew+$18M
NFLX Netflix, Inc.+$16M
MIR Mirion Technologies, Inc.+$8M
ASML ASML Holding N.V.+$4M
PANW Palo Alto Networks, Inc.+$26M
S SentinelOne, Inc.+$21M
AVGO Broadcom Inc.+$19M
MELI MercadoLibre, Inc.+$15M

Top sells this quarter · 15

SNDK Sandisk Corporation$93M
WDC Western Digital Corporation$72M
COHR Coherent, Inc.$29M
AAPL Apple Inc.$28M
SMTC Semtech Corporationexit$22M
APP AppLovin Corporationexit$21M
TER Teradyne, Inc.$21M
MU Micron Technology, Inc.exit$18M
SHOP Shopify Inc.exit$15M
CVNA Carvana Co.exit$14M

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$622M24+81.81%+17.59%+64.22%-0.32B
2025-12-31$831M34+55.12%+17.72%+37.40%-0.29B
2025-09-30$993M38+45.55%+17.52%+28.03%+0.01B
2025-06-30$811M31+26.28%+14.94%+11.33%+0.21B
2025-03-31$515M21+10.16%+8.30%+1.86%-0.23B
2024-12-31$764M34+24.68%+24.89%-0.20%+0.01B
2024-09-30$714M32+41.97%+36.04%+5.93%-0.09B
2024-06-30$762M28+35.03%+24.49%+10.54%-0.18B
2024-03-31$923M35+49.78%+29.62%+20.15%-0.15B
2023-12-31$973M39+60.89%+26.18%+34.71%+0.11B
2023-09-30$718M29+16.46%+21.57%-5.10%-0.17B
2023-06-30$886M32+10.23%+19.42%-9.20%-0.20B
2023-03-31$965M32-25.28%-7.82%-17.46%+0.12B
2022-12-31$714M27-12.82%+7.56%-20.38%+0.28B
2022-09-30$496M21-5.02%-4.93%-0.09%+0.08B
2022-06-30$441M15-23.57%-16.11%-7.46%-0.18B