13F
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GAMMA Investing LLC

13F equity value
$2.1B
Positions
4,110
Top 10 concentration
24.8%
Quarters / total new picks
8 / 768
13F equity value over time
$0M$9B$19B2023202420252026

"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 8 quarters, returned +7.3% per quarter — versus +4.0% per quarter from simply owning every 13F stock. It beat that baseline in only 62.5% of quarters (excess t = 1.27, not statistically significant). Its filings tell you what it bought — not what you should buy.

Avg 2Q excess
+3.0%
t-stat
1.27
Quarterly win rate
63%
Annualized excess
+13.6%
$1 → follow vs universe
$1.69 vs $1.35
Cumulative return: $1 invested in new picks vs universe
1.00 20240331: universe 1.02220240630: universe 1.11520240930: universe 1.10620241231: universe 1.03220250331: universe 1.12520250630: universe 1.16020250930: universe 1.30520251231: universe 1.350 20240331: follow 1.05620240630: follow 1.22920240930: follow 1.18020241231: follow 1.06620250331: follow 1.18720250630: follow 1.17920250930: follow 1.40420251231: follow 1.685 0.92 1.37 1.82 20242025 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 4110 · 2026 Q1

Ticker Value Weight QoQ
NVDA $109M
5.1%
ADD
AAPL $95M
4.4%
ADD
MSFT $67M
3.1%
HOLD
AMZN $48M
2.2%
ADD
GOOGL $45M
2.1%
ADD
AVGO $42M
2.0%
ADD
GOOG $35M
1.7%
ADD
JPM $31M
1.5%
HOLD
META $30M
1.4%
ADD
IEMG $30M
1.4%
ADD
TSLA $23M
1.1%
ADD
MUB $23M
1.1%
ADD
LLY $21M
1.0%
ADD
XOM $21M
1.0%
ADD
BIV $21M
1.0%
ADD
BRK/B $20M
0.9%
ADD
SUB $19M
0.9%
ADD
JNJ $18M
0.8%
ADD
WMT $17M
0.8%
ADD
V $16M
0.7%
ADD

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.