HARVARD MANAGEMENT CO INC 13F: Quarter-over-Quarter Portfolio Changes
HARVARD MANAGEMENT CO INC reported a disclosed portfolio value of approximately $4.3 billion in its latest SEC Form 13F-HR filing for Q2 2026, up 134.8% quarter on quarter. Over the quarter, the endowment initiated 6 new positions, bought more shares in 5 holdings, trimmed 4 holdings, and exited 4 positions.
HARVARD MANAGEMENT CO INC's top buy was a new stake in Space Exploration Techn CORP (SPCX) , equal to 51.8% of the disclosed portfolio. Its top sell was Spdr Gold Tr (GLD) . The endowment sold 87.3% of its previously reported shares, reducing the position's portfolio weight by 10.5 percentage points.
New PositionsQ2 2026
Securities disclosed for the first time in Q2 2026 that were not present in the prior 13F-HR filing.
| Company | Ticker | Initial Portfolio Weight | History |
|---|---|---|---|
| SPACE EXPLORATION TECHN CORP | SPCX | 51.8% | History → |
| CEREBRAS SYSTEMS INC | CBRS | 5.6% | History → |
| ISHARES GOLD TR | IAU | 3.5% | History → |
| NETFLIX INC. | NFLX | 1.8% | Holders → |
| FERVO ENERGY CO | FRVO | 0.9% | Holders → |
| LUMENTUM HLDGS INC | LITE | 0.5% | Holders → |
Top BuysQ2 2026
The endowment's top buys among existing positions in Q2 2026. Ranked by portfolio-weight impact, with the percentage of additional shares shown separately.
| Company | Ticker | Portfolio Weight Change | More Shares | History |
|---|---|---|---|---|
| BOOKING HLDGS INC | BKNG | +-6.4% | +1087.0% | Holders → |
| AMAZON.COM INC | AMZN | +-2.7% | +37.0% | History → |
| META PLATFORMS INC | META | +-3.3% | +10.3% | History → |
| TAIWAN SEMICONDUCTOR MANUFAC | TSM | +-4.6% | +6.6% | History → |
| NVIDIA CORPORATION | NVDA | +-3.4% | +5.9% | History → |
Top SellsQ2 2026
The endowment's top sells among positions it retained in Q2 2026. Ranked by portfolio-weight impact. Full exits are listed separately.
| Company | Ticker | Portfolio Weight Change | Shares Sold | History |
|---|---|---|---|---|
| SPDR GOLD TR | GLD | -10.5% | 87.3% | Holders → |
| BROADCOM INC | AVGO | -5.1% | 28.6% | History → |
| ALPHABET INC-CL A | GOOGL | -5.9% | 25.1% | History → |
| MICROSOFT CORP | MSFT | -7.0% | 23.5% | History → |
Full ExitsQ2 2026
Positions present in the prior 13F-HR filing that no longer appear in Q2 2026.
| Company | Ticker | Last-Reported Portfolio Weight |
|---|---|---|
| UNION PACIFIC CORP. | UNP | 8.5% |
| ZILLOW GROUP INC | Z | 1.3% |
| ZILLOW GROUP INC | ZG | 0.6% |
| FLUTTER ENTMT PLC | FLUT | 0.5% |
Net Portfolio Value ChangeQ2 2026
- $1.8BPrior quarter
- $4.3BCurrent quarter
- +$2.4BNet delta
- +134.8%% change
Methodology & FAQ
How HARVARD MANAGEMENT CO INC Quarterly Changes Are Computed
All deltas are sourced from sequential SEC Form 13F-HR filings for HARVARD MANAGEMENT CO INC: each row joins the most recent filing against the immediately preceding quarterly filing for the same fund. Share-count changes reflect reported trading activity, while portfolio weights can also move because of market price changes. Portfolio weights are normalized to exclude listed options for comparability. A complete description, including how confidential treatment filings are handled, is documented in the Methodology.
What stocks did HARVARD MANAGEMENT CO INC buy in Q2 2026?
In Q2 2026, HARVARD MANAGEMENT CO INC initiated 6 new positions (SPACE EXPLORATION TECHN CORP (SPCX), CEREBRAS SYSTEMS INC (CBRS), ISHARES GOLD TR (IAU), NETFLIX INC. (NFLX), FERVO ENERGY CO (FRVO), LUMENTUM HLDGS INC (LITE)); bought more shares of BOOKING HLDGS INC (BKNG), AMAZON.COM INC (AMZN), META PLATFORMS INC (META), TAIWAN SEMICONDUCTOR MANUFAC (TSM), NVIDIA CORPORATION (NVDA).
What stocks did HARVARD MANAGEMENT CO INC sell in Q2 2026?
In Q2 2026, HARVARD MANAGEMENT CO INC fully sold 4 positions (UNION PACIFIC CORP. (UNP), ZILLOW GROUP INC (Z), ZILLOW GROUP INC (ZG), FLUTTER ENTMT PLC (FLUT)); reduced holdings in SPDR GOLD TR (GLD), BROADCOM INC (AVGO), ALPHABET INC-CL A (GOOGL), MICROSOFT CORP (MSFT).
Which positions did HARVARD MANAGEMENT CO INC initiate in Q2 2026?
HARVARD MANAGEMENT CO INC established 6 new positions in Q2 2026: SPACE EXPLORATION TECHN CORP (SPCX, 51.8%), CEREBRAS SYSTEMS INC (CBRS, 5.6%), ISHARES GOLD TR (IAU, 3.5%), NETFLIX INC. (NFLX, 1.8%), FERVO ENERGY CO (FRVO, 0.9%), LUMENTUM HLDGS INC (LITE, 0.5%).
Which existing positions saw the largest allocation increases for HARVARD MANAGEMENT CO INC in Q2 2026?
Of 5 existing positions with share-count increases in Q2 2026, the largest were: BOOKING HLDGS INC (BKNG, +-6.4% weight, +1087.0% shares), AMAZON.COM INC (AMZN, +-2.7% weight, +37.0% shares), META PLATFORMS INC (META, +-3.3% weight, +10.3% shares), TAIWAN SEMICONDUCTOR MANUFAC (TSM, +-4.6% weight, +6.6% shares), NVIDIA CORPORATION (NVDA, +-3.4% weight, +5.9% shares).
Which positions did HARVARD MANAGEMENT CO INC fully exit in Q2 2026?
HARVARD MANAGEMENT CO INC fully exited 4 positions in Q2 2026: UNION PACIFIC CORP. (UNP, last-reported weight 8.5%), ZILLOW GROUP INC (Z, last-reported weight 1.3%), ZILLOW GROUP INC (ZG, last-reported weight 0.6%), FLUTTER ENTMT PLC (FLUT, last-reported weight 0.5%).
Which existing positions saw the largest allocation reductions for HARVARD MANAGEMENT CO INC in Q2 2026?
Of 4 existing positions with share-count reductions in Q2 2026, the largest were: SPDR GOLD TR (GLD, -10.5% weight, -87.3% shares), BROADCOM INC (AVGO, -5.1% weight, -28.6% shares), ALPHABET INC-CL A (GOOGL, -5.9% weight, -25.1% shares), MICROSOFT CORP (MSFT, -7.0% weight, -23.5% shares).
Do quarter-over-quarter 13F allocation changes constitute explicit trading signals?
No. Quarter-over-quarter changes reflect a combination of active trading and market price movement. A weight increase can result from price appreciation alone, without the manager adding shares. Share-count delta is the cleaner indicator of explicit trading activity. All deltas on this page are sourced from sequential SEC Form 13F-HR filings.