13F
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GATEWAY INVESTMENT ADVISERS LLC

13F equity value
$9.0B
Positions
684
Top 10 concentration
42.1%
Quarters / total new picks
32 / 587
13F equity value over time
$0M$6B$12B2017201820192020202120222023202420252026

"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 32 quarters, returned +2.7% per quarter — versus +2.7% per quarter from simply owning every 13F stock. It beat that baseline in only 40.6% of quarters (excess t = 0.27, not statistically significant). Its filings tell you what it bought — not what you should buy.

Avg 2Q excess
+0.4%
t-stat
0.27
Quarterly win rate
41%
Annualized excess
-0.2%
$1 → follow vs universe
$2.06 vs $2.09
Cumulative return: $1 invested in new picks vs universe
1.00 20180331: universe 1.04120180630: universe 0.95920180930: universe 1.00320181231: universe 0.99220190331: universe 0.97520190630: universe 1.04820190930: universe 1.12720191231: universe 0.90920200331: universe 1.09620200630: universe 1.21120200930: universe 1.48520201231: universe 1.55320210331: universe 1.56620210630: universe 1.69220210930: universe 1.51920211231: universe 1.29220220331: universe 1.38720220630: universe 1.28520220930: universe 1.38120221231: universe 1.28220230331: universe 1.35120230630: universe 1.30320230930: universe 1.47920231231: universe 1.54520240331: universe 1.58020240630: universe 1.72320240930: universe 1.70820241231: universe 1.59420250331: universe 1.73820250630: universe 1.79320250930: universe 2.01620251231: universe 2.085 20180331: follow 0.97920180630: follow 1.00520180930: follow 1.11620181231: follow 1.14020190331: follow 1.08720190630: follow 1.15020190930: follow 1.25620191231: follow 0.98120200331: follow 1.18920200630: follow 1.29420200930: follow 1.52220201231: follow 1.66820210331: follow 1.56820210630: follow 1.96920210930: follow 1.81920211231: follow 1.66620220331: follow 1.72620220630: follow 1.65320220930: follow 1.68520221231: follow 1.60820230331: follow 1.64820230630: follow 1.54920230930: follow 1.71920231231: follow 1.83220240331: follow 1.84520240630: follow 2.06520240930: follow 1.90720241231: follow 1.77820250331: follow 1.85320250630: follow 1.83720250930: follow 2.02220251231: follow 2.059 0.84 1.54 2.25 20182019202020212022202320242025 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 684 · 2026 Q1

Ticker Value Weight QoQ
NVDA $950M
10.6%
TRIM
AAPL $680M
7.6%
TRIM
MSFT $457M
5.1%
TRIM
AMZN $345M
3.8%
TRIM
GOOG $345M
3.8%
TRIM
META $291M
3.2%
TRIM
AVGO $215M
2.4%
TRIM
JPM $171M
1.9%
TRIM
BRK/B $167M
1.9%
TRIM
TSLA $160M
1.8%
TRIM
GOOGL $137M
1.5%
TRIM
LLY $124M
1.4%
TRIM
V $119M
1.3%
TRIM
XOM $117M
1.3%
TRIM
JNJ $105M
1.2%
TRIM
CAT $94M
1.0%
TRIM
RTX $91M
1.0%
TRIM
WMT $85M
0.9%
TRIM
HD $82M
0.9%
TRIM
BAC $82M
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

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.