LOOMIS SAYLES & CO L P
"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.
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 51 quarters, returned +1.7% per quarter — versus +2.0% per quarter from simply owning every 13F stock. It beat that baseline in only 41.2% of quarters (excess t = -1.61, not statistically significant). Its filings tell you what it bought — not what you should buy.
Quarterly compounding, invested quarters only · entry after the actual SEC deadline plus a 2-day buffer
Top 20 holdings of 700 · 2026 Q2
| Ticker | Value | Weight | QoQ |
|---|---|---|---|
| NVDA | $7.9B | | TRIM −4% |
| GOOGL | $6.2B | | HOLD |
| TSLA | $5.3B | | HOLD |
| AMZN | $4.4B | | HOLD |
| META | $4.2B | | HOLD |
| V | $3.1B | | HOLD |
| BA | $3.0B | | HOLD |
| MSFT | $2.9B | | ADD +28% |
| NFLX | $2.9B | | ADD +5% |
| ORCL | $2.4B | | HOLD |
| MNST | $2.4B | | TRIM −4% |
| VRTX | $1.9B | | TRIM −2% |
| SHOP | $1.6B | | HOLD |
| DIS | $1.3B | | TRIM −3% |
| ADSK | $1.2B | | ADD +10% |
| REGN | $1.2B | | TRIM −3% |
| CRM | $1.0B | | ADD +7% |
| GOOG | $960M | | TRIM −5% |
| SBUX | $933M | | TRIM −3% |
| EXPD | $896M | | TRIM −2% |
QoQ vs previous quarter's share count · NEW = new position · ADD/TRIM = ±2% shares · HOLD = unchanged.
New positions in 2026 Q2
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 is the first trading session after the actual SEC filing deadline plus a 2-day buffer. 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.