§ 13F · FUND PROFILE
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP.
Quantitative long/short equity
AUM · $225.4B (13F)Positions · 1887Turnover · 96% · Q2Filed · Aug 13, 2026
CONCENTRATION
28%
Top 10 holdings
NEW BUYS
+382
+$6.7B deployed
EXITS
0
No exits
SECTOR SHIFT
OTHER → TECHNOLOGY
-3pp · +3pp
§ 01 · TOP HOLDINGS
The book · Q2 2026
FILED AUG 13, 2026
| # | Ticker | Name | Shares | $ value | % port | Δ Q2 |
|---|---|---|---|---|---|---|
| 1 | MSFT | MICROSOFT CORP | 27.66M | $10.3B | 4.6% | +14% |
| 2 | AMZN | AMAZON COM INC | 40.35M | $9.6B | 4.3% | +24% |
| 3 | AAPL | APPLE INC | 29.89M | $8.6B | 3.8% | +54% |
| 4 | NVDA | NVIDIA CORPORATION | 34.75M | $7.0B | 3.1% | +9% |
| 5 | GOOGL | ALPHABET INC | 14.97M | $5.4B | 2.4% | −12% |
| 6 | LRCX | LAM RESEARCH CORP | 12.27M | $5.3B | 2.4% | −7% |
| 7 | GOOG | ALPHABET INC | 14.33M | $5.1B | 2.2% | −2% |
| 8 | SNDK | SANDISK CORP | 2.17M | $4.9B | 2.2% | −23% |
| 9 | AVGO | BROADCOM INC | 8.59M | $3.2B | 1.4% | −54% |
| 10 | ASML | ASML HLDG NV | 1.46M | $2.9B | 1.3% | −11% |
§ 02 · SECTOR ALLOCATION
Where the money is
Other46.5% (−3pp)
Technology20.6% (+3pp)
Semiconductors11.0% (±0)
Health Care8.1% (+1pp)
Retail7.4% (±0)
Media5.6%
§ 03 · THE ARROWSTREET SIGNAL
AC read
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP is a Systematic / Quant fund managing $225.4 billion in assets. The fund runs a massive portfolio of 1,887 positions, broad diversification across holdings, with the top 10 accounting for 28%. Trading activity is aggressive at 96% quarterly turnover, with 382 new positions and 0 exits last quarter. Top sector allocations: Other (47%), Technology (21%), Semiconductors (11%).
Read the full dossier →§ 04 · FILING HISTORY
Q-by-Q deltas
4 OF 2 FILINGS MEASURED
Q2 2026
Busy quarter
+382 buys · −0 exits · 1434 changed
Q1 2026
Busy quarter
+331 buys · −0 exits · 1409 changed
Q4 2025
Busy quarter
+256 buys · −0 exits · 1456 changed
Q3 2025
Busy quarter
+246 buys · −0 exits · 1481 changed