Stocks/Funds/CIK 1910867

Gridiron Partners, LLC

long-term holder
Quarterly 13F filings · Latest period 2026-03-31 · CIK 1910867
Assets
$163M
+4.8% YoY
Holdings
46
Lifetime alpha vs market
-1.88% annual
Average hold time
2.2 yr
median 2.3 yr

Quarterly history

Cum return +35% vs S&P +41% · α -6% lifetimeAUM $163M · peak $881MFlow $0M (+0%)2023-122024-062024-122025-062025-122026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
-1.85%
trims when stocks drop
when a holding falls −10%+
Middle response
-1.13%
baseline attrition
Rally response
+0.83%
adds into rallies
when a holding rises +10%+

Top positions · 30

Ticker$ value% portYoYHold time
AGGiShares Core U.S. Aggreg$46M28.4%2.5 yr
BNDVanguard Total Bond Mark$43M26.6%2.3 yr
SPYState Street SPDR S&P 50$16M9.8%+17.6%2.3 yr
VTIVanguard Total Stock Mar$9M5.4%2.3 yr
PMLPIMCO Municipal Income F$5M3.0%2.3 yr
EMBiShares J.P. Morgan USD $4M2.4%2.5 yr
NMZNuveen Municipal High In$3M2.0%2.3 yr
IWMiShares Russell 2000 ETF$2M1.4%2.3 yr
DBLDoubleLine Opportunistic$2M1.4%2.3 yr
LEOBNY Mellon Strategic Mun$2M1.3%+7.4%2.3 yr
FFCFlaherty & Crumrine Pref$2M1.3%2.3 yr
NVGNuveen AMT-Free Municipa$2M1.3%2.3 yr
NZFNuveen Municipal Credit $2M1.2%2.3 yr
MDYState Street SPDR S&P MI$2M1.2%2.3 yr
VEAVanguard FTSE Developed $2M1.1%2.3 yr

Portfolio composition (YoY)

Industry mix
Asset Management58.8%+4.6pp$96M
Asset Management - Bonds27.4%+2.2pp$45M
Asset Management - Income12.4%-5.6pp$20M
Software - Infrastructure1.0%-0.1pp$2M
Unknown0.2%-1.1pp$0M
Chemicals - Specialty0.2%-0.0pp$0M
Country
US98.8%+1.2pp
GB0.9%-0.1pp
Unknown0.2%-1.1pp
AU0.0%-0.0pp
Top 5: 73.1% · Top 10: 81.7% · Top 25: 95.4%

Winners

TickerPrev $PnLYoY %
SPY$14M+0.00B17.6%
LEO$2M+0.00B7.4%
MSFT$2M-0.00B-0.6%
BX$1M-0.00B-14.9%
KKR$1M-0.00B-19.5%

Losers

TickerPrev $PnLYoY %
KKR$1M-0.00B-19.5%
BX$1M-0.00B-14.9%
MSFT$2M-0.00B-0.6%

Top buys this quarter · 6

DBL DoubleLine Opportunistic Credi+$0M
EFR Eaton Vance Senior Floating-Ranew+$0M
VVR Invesco Senior Income Trust+$0M
EMB iShares J.P. Morgan USD Emergi+$0M
BRW Saba Capital Income & Opportun+$0M
VCSH Vanguard Short-Term Corporate +$0M

Top sells this quarter · 15

SPY State Street SPDR S&P 500 ETF $1M
LEO BNY Mellon Strategic Municipal$0M
$0M
BBN BlackRock Taxable Municipal Bo$0M
BTT Blackrock Municipal 2030 Targe$0M
RA Brookfield Real Assets Income $0M
PSF Cohen & Steers Select Preferre$0M
DSL DoubleLine Income Solutions Fu$0M
DLY DoubleLine Yield Opportunities$0M
EVN Eaton Vance Municipal Income T$0M

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$163M46+15.96%+17.59%-1.63%+0.00B
2025-12-31$175M58+17.42%+17.72%-0.30%-0.78B
2025-09-30$881M16+10.53%+17.52%-6.99%+0.71B
2025-06-30$160M61+13.44%+14.94%-1.50%-0.01B
2025-03-31$155M62+5.84%+8.30%-2.46%+0.01B
2024-12-31$157M62+23.20%+24.89%-1.68%-0.01B
2024-09-30$164M63+6.41%+5.75%+0.66%-0.00B
2024-06-30$156M62+3.59%+4.38%-0.79%-0.01B
2024-03-31$156M62+9.74%+10.39%-0.65%+0.00B
2023-12-31$141M62