13F
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ZEVENBERGEN CAPITAL INVESTMENTS LLC

13F equity value
$3.5B
Positions
110
Top 10 concentration
46.2%
Quarters / total new picks
20 / 65
13F equity value over time
$0M$3B$6B2017201820192020202120222023202420252026

"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 20 quarters, returned -3.1% per quarter — versus +1.4% per quarter from simply owning every 13F stock. It beat that baseline in only 30.0% of quarters (excess t = 1.51, not statistically significant). Its filings tell you what it bought — not what you should buy.

Avg 2Q excess
+11.5%
t-stat
1.51
Quarterly win rate
30%
Annualized excess
-21.3%
$1 → follow vs universe
$0.39 vs $1.23
Cumulative return: $1 invested in new picks vs universe
1.00 20180331: universe 1.04120180630: universe 0.95920181231: universe 0.94920190331: universe 0.93220190630: universe 1.00220190930: universe 1.07720191231: universe 0.86920200331: universe 1.04820200630: universe 1.15820201231: universe 1.21020211231: universe 1.03020220630: universe 0.95420220930: universe 1.02520230331: universe 1.08020230630: universe 1.04120240331: universe 1.06520240630: universe 1.16120240930: universe 1.15120250630: universe 1.18720251231: universe 1.228 20180331: follow 1.07620180630: follow 0.91120181231: follow 0.67220190331: follow 0.61420190630: follow 0.58920190930: follow 0.71020191231: follow 0.79420200331: follow 1.08820200630: follow 1.09920201231: follow 1.05920211231: follow 0.71820220630: follow 0.66420220930: follow 0.70720230331: follow 0.58220230630: follow 0.47820240331: follow 0.54220240630: follow 0.62020240930: follow 0.59120250630: follow 0.48820251231: follow 0.392 0.36 0.84 1.33 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 110 · 2026 Q1

Ticker Value Weight QoQ
NVDA $345M
9.9%
TRIM
TSLA $200M
5.7%
TRIM
GOOGL $157M
4.5%
TRIM
AMZN $132M
3.8%
TRIM
META $129M
3.7%
TRIM
AAPL $127M
3.7%
HOLD
MSFT $116M
3.4%
HOLD
AMD $114M
3.3%
HOLD
AVGO $97M
2.8%
HOLD
MPWR $90M
2.6%
HOLD
RKLB $66M
1.9%
TRIM
SNOW $65M
1.9%
HOLD
GOOGL $65M
1.9%
TRIM
MU $65M
1.9%
TRIM
NTRA $52M
1.5%
TRIM
KRMN $50M
1.4%
ADD
TOST $47M
1.4%
TRIM
ANET $31M
0.9%
ADD
AMAT $27M
0.8%
ADD
TSM $23M
0.7%
NEW

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

RBRKTSMVMC

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.