13F
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Laird Norton Wetherby Trust Company, LLC

13F equity value
$4.6B
Positions
982
Top 10 concentration
34.4%
Quarters / total new picks
18 / 908
13F equity value over time
$0M$2B$5B2020202120222023202420252026

"13F equity value" = market value of this filer's US-listed long equity positions only. It excludes cash, bonds, non-US and short positions, so it understates a fund's true assets under management — often by a lot.

Not significant Verdict

13F holdings are disclosed ~45 days after quarter-end, and they never reveal when within the quarter a fund actually bought. So any 13F-based summary is structurally late and blurred — this applies to every fund, including this one.

We backtested copying it anyway. Buying this fund's new positions the day each filing went public, over 18 quarters, returned +1.8% per quarter — versus +1.5% per quarter from simply owning every 13F stock. It beat that baseline in only 61.1% of quarters (excess t = 0.07, not statistically significant). Its filings tell you what it bought — not what you should buy.

Avg 2Q excess
+0.3%
t-stat
0.07
Quarterly win rate
61%
Annualized excess
-2.1%
$1 → follow vs universe
$1.12 vs $1.22
Cumulative return: $1 invested in new picks vs universe
1.00 20210331: universe 1.00920210630: universe 1.09020210930: universe 0.97820211231: universe 0.83220220331: universe 0.89420220630: universe 0.82820221231: universe 0.76920230331: universe 0.81020230630: universe 0.78120230930: universe 0.88720231231: universe 0.92620240630: universe 1.01020240930: universe 1.00220241231: universe 0.93520250331: universe 1.01920250630: universe 1.05120250930: universe 1.18220251231: universe 1.223 20210331: follow 1.02420210630: follow 1.14320210930: follow 1.20820211231: follow 1.00520220331: follow 1.06820220630: follow 1.11520221231: follow 1.06820230331: follow 1.21020230630: follow 1.31220230930: follow 1.50920231231: follow 1.59020240630: follow 1.82820240930: follow 1.80220241231: follow 1.56220250331: follow 1.98020250630: follow 1.86320250930: follow 1.10220251231: follow 1.118 0.71 1.42 2.14 20212022202320242025 Follow Universe

Quarterly compounding, invested quarters only · entry 47 days after quarter-end (when 13F data becomes public)

Listed as facts. See the verdict above before treating this as signal.

Top 20 holdings of 982 · 2026 Q1

Ticker Value Weight QoQ
MSFT $270M
5.9%
TRIM
VTI $253M
5.5%
ADD
AAPL $236M
5.1%
TRIM
NVDA $188M
4.1%
TRIM
VEA $121M
2.6%
ADD
VEU $112M
2.5%
ADD
BRK/A $109M
2.4%
TRIM
VWO $101M
2.2%
ADD
AMZN $95M
2.1%
TRIM
GOOGL $91M
2.0%
TRIM
VV $58M
1.3%
ADD
AVGO $57M
1.3%
TRIM
GOOG $55M
1.2%
TRIM
SPY $53M
1.2%
TRIM
VT $51M
1.1%
ADD
JPM $50M
1.1%
TRIM
TSM $50M
1.1%
HOLD
META $46M
1.0%
HOLD
BRK/B $42M
0.9%
TRIM
IWB $42M
0.9%
HOLD

QoQ vs previous quarter's share count · NEW = new position · ADD/TRIM = ±2% shares · HOLD = unchanged.

Listed as facts. See the verdict above before treating this as signal.

New positions in 2026 Q1

ABEVAMAMCRASTSBEBLVBWACVIEDLBECHOESGDESGUFIVEFTAIGMEMBBMGCMRNAMTDRNBISNVMIPBFPBR/APORPRQQQMRYAAYSMUIVCSH

Method & Limitations

Method: a "new position" = held this quarter, absent last quarter (options excluded; stocks with <50 prior holders excluded to filter spin-off artifacts). Entry 47 days after quarter-end — the first day the public could act on the filing. Benchmark = equal-weighted universe of all 13F-held stocks. Limitations: quarterly snapshots can't see intra-quarter trades; survivorship bias — funds that shut down are absent, which flatters the sample. Statistics, not advice.