Harvard Management Co Inc holds a focused book of 17 stocks worth $1.8B as of Q1 2026 (disclosed May 15, 2026, a ~45-day 13F lag). This quarter they opened Generate Biomedicines Inc and trimmed SPDR Gold Shares. Their largest long position is Taiwan Semiconductor-SP ADR at 13% of the equity book. Cloning the disclosed picks since 2013 would be +297% (+11.5%/yr). That is a simulation of the disclosed long book, not audited returns.
The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
This fund page is the Follow view. The Build view lets your agent pull holdings, quarter changes, overlap, and source filings through API or MCP.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/funds/1082621/holdings"
Use Arkolith to show HARVARD MANAGEMENT CO INC's latest holdings, largest changes, and filing provenance.
Following at the filing date actually beat the quarter-end book by 120.6 points over this window.
Growth of $10,000 cloning Harvard Management Co Inc's disclosed long 13F book, rebalanced on each filing date (so it reflects the ~45-day reporting lag, no look-ahead), total-return basis (dividends reinvested), derived from end-of-day prices. “Their reported book” values the same picks from quarter-end, before they were public. S&P 500 is SPY total return over the same window. Excludes shorts, cash, options and non-13F holdings. Not investment advice.
Top-heavy: focused book
Share of the disclosed book in its largest positions. A higher top-5 share means a more concentrated, higher-conviction portfolio.
100% mapped to company sectors
Direct operating-company sectors from our SIC-based security master. ETF/fund and unclassified holdings stay visible separately; this is not ETF look-through exposure.
Estimated $ traded · quarter-end prices, no cost basis
Other tracked managers holding the same core names as Harvard Management Co Inc
| Manager / fund | Shared names | Their $ in those |
|---|---|---|
| UBS Group AG | 20 / 17 | $62.9B |
| JPMORGAN CHASE & CO | 19 / 17 | $244.5B |
| MORGAN STANLEY | 19 / 17 | $239.3B |
| BANK OF AMERICA CORP /DE/ | 19 / 17 | $141.0B |
| GOLDMAN SACHS GROUP INC | 19 / 17 | $114.1B |
| ROYAL BANK OF CANADA | 19 / 17 | $66.9B |
| WELLS FARGO & COMPANY/MN | 19 / 17 | $55.6B |
| BARCLAYS PLC | 19 / 17 | $48.7B |
Ranked by how many of Harvard Management Co Inc's top 17 disclosed names each fund also holds: a cross-fund conviction signal from the latest 13F of every tracked manager.
Bars show each stock's share of the portfolio. Click a row for its position history.
| # | Security | Value | Shares | % Port | Last move | History |
|---|---|---|---|---|---|---|
| 1 | Taiwan Semiconductor MFG Ltd SPONSORED ADS | $232.1M | 686.8K | 12.8% | ▲+124% Added · +380K sh | |
| 2 | SPDR Gold TR GOLD SHS | $199.8M | 464.4K | 11.0% | ▼−26% Reduced · −162K sh | |
| 3 | Microsoft Corp COM | $189.9M | 513.1K | 10.5% | ▲+4.8% Added · +23K sh | |
| 4 | Alphabet Inc CAP STK CL A | $177.4M | 617.0K | 9.8% | ▼−24% Reduced · −191K sh | |
| 5 | Union Pac Corp COM | $153.9M | 634.4K | 8.5% | ▲+3.8% Added · +23K sh | |
| 6 | Amazon Com Inc COM | $149.4M | 717.5K | 8.2% | ▲+5.5% Added · +38K sh | |
| 7 | Booking Holdings Inc COM | $147.1M | 34.9K | 8.1% | ▲+3.8% Added · +1K sh | |
| 8 | Broadcom Inc COM | $146.7M | 473.9K | 8.1% | ▲+47% Added · +152K sh | |
| 9 | Nvidia Corporation COM | $129.7M | 743.8K | 7.1% | ▲+81% Added · +334K sh | |
| 10 | Ishares Bitcoin Trust ETF SHS BEN INT | $117.0M | 3.04M | 6.4% | ▼−43% Reduced · −2.3M sh | |
| 11 | Meta Platforms Inc CL A | $111.3M | 194.6K | 6.1% | ▲+7.0% Added · +13K sh | |
| 12 | Zillow Group Inc CL C CAP STK | $23.3M | 562.0K | 1.3% | ▼−15% Reduced · −100K sh | |
| 13 | Generate Biomedicines Inc COM SHS | $13.9M | 1.11M | 0.8% | ▲New New position | |
| 14 | Zillow Group Inc CL A | $11.8M | 284.8K | 0.6% | ▼−5.4% Reduced · −16K sh | |
| 15 | Flutter Entmt PLC SHS | $8.2M | 80.3K | 0.5% | ▼−30% Reduced · −35K sh | |
| 16 | 10X Genomics Inc CL A COM | $3.6M | 170.0K | 0.2% | —Held | |
| 17 | Purecycle Technologies Inc *W EXP 03/17/202 | $550K | 714.3K | 0.0% | —Held |
As-of date vs the date the SEC received each filing
| Quarter | As of | Filed | Positions | Value | Form |
|---|---|---|---|---|---|
| Q1 2026 | Mar 31, 2026 | May 15, 2026 | 17 | $1.8B | 13F-HR |
| Q4 2025 | Dec 31, 2025 | Feb 13, 2026 | 19 | $2.1B | 13F-HR |
| Q3 2025 | Sep 30, 2025 | Nov 14, 2025 | 18 | $2.1B | 13F-HR |
| Q2 2025 | Jun 30, 2025 | Aug 8, 2025 | 14 | $1.4B | 13F-HR |
| Q1 2025 | Mar 31, 2025 | May 9, 2025 | 14 | $1.1B | 13F-HR |
| Q4 2024 | Dec 31, 2024 | Feb 14, 2025 | 16 | $1.7B | 13F-HR |
| Q3 2024 | Sep 30, 2024 | Nov 14, 2024 | 15 | $1.7B | 13F-HR |
| Q2 2024 | Jun 30, 2024 | Aug 9, 2024 | 15 | $1.7B | 13F-HR |
| Q1 2024 | Mar 31, 2024 | May 10, 2024 | 12 | $1.6B | 13F-HR |
| Q4 2023 | Dec 31, 2023 | Feb 9, 2024 | 14 | $1.2B | 13F-HR |
| Q3 2023 | Sep 30, 2023 | Nov 9, 2023 | 22 | $885.8M | 13F-HR |
| Q2 2023 | Jun 30, 2023 | Aug 11, 2023 | 33 | $1.0B | 13F-HR |
| Q1 2023 | Mar 31, 2023 | May 15, 2023 | 48 | $951.8M | 13F-HR |
| Q4 2022 | Dec 31, 2022 | Feb 10, 2023 | 46 | $806.6M | 13F-HR |
| Q3 2022 | Sep 30, 2022 | Nov 10, 2022 | 47 | $803.7M | 13F-HR |
| Q2 2022 | Jun 30, 2022 | Aug 12, 2022 | 45 | $863.8M | 13F-HR |
| Q1 2022 | Mar 31, 2022 | May 13, 2022 | 44 | $990.7M | 13F-HR |
| Q4 2021 | Dec 31, 2021 | Feb 11, 2022 | 46 | $1.1B | 13F-HR |
| Q3 2021 | Sep 30, 2021 | Nov 12, 2021 | 40 | $1.7B | 13F-HR |
| Q2 2021 | Jun 30, 2021 | Aug 13, 2021 | 38 | $1.7B | 13F-HR |
| Q1 2021 | Mar 31, 2021 | May 7, 2021 | 38 | $1.8B | 13F-HR |
| Q4 2020 | Dec 31, 2020 | Feb 12, 2021 | 30 | $1.8B | 13F-HR |
| Q3 2020 | Sep 30, 2020 | Nov 13, 2020 | 24 | $1.8B | 13F-HR |
| Q2 2020 | Jun 30, 2020 | Sep 18, 2020 | 19 | $1.2B | 13F-HR/A |
Holdings from SEC EDGAR 13F-HR filings, updated quarterly ~45 days after quarter-end. Public domain. The book and weighting are long equity only; disclosed put/call options are listed separately and excluded from those totals. The performance line is a simulation of the disclosed long book, not an audited return.