Stocks/Funds/CIK 1517137

Starboard Value LP

long-term holderconcentrated
Quarterly 13F filings · Latest period 2026-03-31 · CIK 1517137
Assets
$4.57B
-16.8% YoY
Holdings
23
Lifetime alpha vs market
-3.65% annual
Average hold time
1.7 yr
median 1.5 yr

Quarterly history

Cum return +26% vs S&P +50% · α -24% lifetimeAUM $4.6B · peak $7.5BFlow $-443M (-8%)2016-062017-122019-062020-122022-062023-122025-062026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
+1.66%
adds when stocks drop
when a holding falls −10%+
Middle response
-8.94%
baseline attrition
Rally response
-22.74%
trims into rallies
when a holding rises +10%+

Top positions · 23

Ticker$ value% portYoYHold time
QRVOQorvo, Inc.$581M12.7%+6.9%1.3 yr
KVUEKenvue Inc.$471M10.3%-25.0%1.5 yr
IJHiShares Core S&P Mid-Cap$394M8.6%1.5 yr
AQNAlgonquin Power & Utilit$351M7.7%+23.8%3.0 yr
MTCHMatch Group, Inc.$350M7.7%+0.1%1.8 yr
ACTGAcacia Research Corporat$294M6.4%+50.3%3.5 yr
BILLBill.com Holdings, Inc.$269M5.9%-16.5%0.8 yr
LWLamb Weston Holdings, In$258M5.7%-18.5%0.3 yr
KMXCarMax, Inc.$258M5.6%-46.6%0.3 yr
RIOTRiot Platforms, Inc.$192M4.2%+73.6%1.5 yr
GENGen Digital Inc.$147M3.2%-27.7%6.5 yr
NWSANews Corporation$140M3.1%-7.7%2.5 yr
FLRFluor Corporation$135M2.9%+30.2%0.5 yr
CWANClearwater Analytics Hol$129M2.8%-11.8%0.5 yr
HRHealthcare Realty Trust $116M2.5%+6.9%1.5 yr

Portfolio composition (YoY)

Industry mix
Semiconductors12.7%+1.8pp$581M
Household & Personal Products10.3%+0.7pp$471M
Internet Content & Information10.2%+2.2pp$465M
Software - Application8.7%-10.1pp$398M
Asset Management8.6%+4.8pp$394M
Renewable Utilities7.7%+1.5pp$351M
Specialty Business Services6.4%+2.9pp$294M
Packaged Foods5.7%$258M
Auto - Dealerships5.6%$258M
Entertainment4.7%-3.2pp$214M
Country
US92.2%-1.1pp
CA7.7%+1.5pp
Unknown0.1%-0.4pp
Top 5: 47.0% · Top 10: 74.8% · Top 25: 100.0%

Winners

TickerPrev $PnLYoY %
ACTG$196M+0.10B50.3%
AQN$341M+0.08B23.8%
RIOT$90M+0.07B73.6%
QRVO$599M+0.04B6.9%
BDX$401M+0.03B14.0%

Losers

TickerPrev $PnLYoY %
GEN$465M-0.13B-27.7%
KVUE$529M-0.13B-25.0%
NWSA$196M-0.02B-7.7%
NWS$237M-0.01B-5.5%
BLMN$61M-0.01B-21.7%

Top buys this quarter · 7

LW Lamb Weston Holdings, Inc.new+$258M
KMX CarMax, Inc.new+$258M
GPGI GPGI, Inc.new+$86M
RIOT Riot Platforms, Inc.+$35M
TRIP Tripadvisor, Inc.+$115M
IJH iShares Core S&P Mid-Cap ETF+$0M
new+$0M

Top sells this quarter · 12

ADSK Autodesk, Inc.exit$240M
CRM Salesforce, Inc.exit$175M
FLR Fluor Corporation$108M
CWAN Clearwater Analytics Holdings,$106M
HR Healthcare Realty Trust Incorp$98M
ROG Rogers Corporation$66M
NWS News Corporation$53M
GEN Gen Digital Inc.$52M
BDX Becton, Dickinson and Company$46M
AQN Algonquin Power & Utilities Co$39M

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$4.57B23-0.66%+17.59%-18.25%-0.44B
2025-12-31$5.28B22-1.96%+17.72%-19.68%+0.03B
2025-09-30$5.31B20+2.06%+17.52%-15.46%-0.47B
2025-06-30$5.76B23+4.61%+14.94%-10.33%-0.03B
2025-03-31$5.49B21-2.57%+8.30%-10.87%+0.32B
2024-12-31$5.52B21+10.99%+24.89%-13.90%+0.69B
2024-09-30$4.70B18+30.55%+36.04%-5.49%+0.28B
2024-06-30$4.29B19+30.49%+24.49%+6.00%-0.44B
2024-03-31$4.81B19+36.77%+29.62%+7.15%-0.24B
2023-12-31$4.73B22+35.02%+26.18%+8.85%+0.07B
2023-09-30$3.85B22+22.48%+21.57%+0.91%-0.86B
2023-06-30$4.58B45+13.40%+19.42%-6.03%-0.53B
2023-03-31$4.96B103-6.12%-7.82%+1.69%-0.53B
2022-12-31$5.22B147+9.77%+7.56%+2.21%+0.22B
2022-09-30$4.55B176-4.77%-4.93%+0.16%-0.69B
2022-06-30$5.50B182-14.74%-16.11%+1.37%-0.93B