Harvard Management Co Inc holds a focused book of 17 reported positions worth $1.8B as of Q1 2026 (disclosed May 15, 2026, a ~45-day 13F lag). This quarter Generate Biomedicines Inc first appears in 13F filings, a listing rather than a purchase; they trimmed SPDR Gold Shares. Their largest long position is Taiwan Semiconductor-SP ADR at 13% of the reported non-option book.
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
+1 sector below the cut, under 0.5% together
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 (an exit at the prior quarter-end), no cost basis
Other tracked managers holding the same core names as Harvard Management Co Inc
| Manager / fund | Shared names | Their $ in those |
|---|---|---|
| Donor Advised Charitable Giving, Inc. | 3 / 17 | $4.4B |
| BlueSpruce Investments, LP | 6 / 17 | $638.1M |
| Voyager Global Management LP | 7 / 17 | $3.5B |
| Palidye Holdings (Caymans) Ltd | 3 / 17 | $532.2M |
| Stenham Asset Management Ltd | 3 / 17 | $121.5M |
| Ketron Financial | 8 / 17 | $246.1M |
| Hoey Investments, Inc | 9 / 17 | $546.6M |
| Caledonia (Private) Investments Pty Ltd | 3 / 17 | $1.9B |
Ranked by the share of each fund's own book sitting in the names it shares with Harvard Management Co Inc: only funds sharing at least a tenth of the book qualify. Index giants, bank custody books and market makers are excluded. They hold everything, so their overlap says nothing.
Bars show each position'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% | →Listed Newly reportable | |
| 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 | <0.1% | —Held |
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.
As-of date vs the date the SEC received each filing
Reported 13F total per quarter. Raw filing totals can include option notional.
| Quarter | As of | Filed | Lag | Positions | Value | Form |
|---|---|---|---|---|---|---|
| Q1 2026 | Mar 31, 2026 | May 15, 2026 | 45d | 17 | $1.8B | 13F-HR |
| Q4 2025 | Dec 31, 2025 | Feb 13, 2026 | 44d | 19 | $2.1B | 13F-HR |
| Q3 2025 | Sep 30, 2025 | Nov 14, 2025 | 45d | 18 | $2.1B | 13F-HR |
| Q2 2025 | Jun 30, 2025 | Aug 8, 2025 | 39d | 14 | $1.4B | 13F-HR |
| Q1 2025 | Mar 31, 2025 | May 9, 2025 | 39d | 14 | $1.1B | 13F-HR |
| Q4 2024 | Dec 31, 2024 | Feb 14, 2025 | 45d | 16 | $1.7B | 13F-HR |
| Q3 2024 | Sep 30, 2024 | Nov 14, 2024 | 45d | 15 | $1.7B | 13F-HR |
| Q2 2024 | Jun 30, 2024 | Aug 9, 2024 | 40d | 15 | $1.7B | 13F-HR |
| Q1 2024 | Mar 31, 2024 | May 10, 2024 | 40d | 12 | $1.6B | 13F-HR |
| Q4 2023 | Dec 31, 2023 | Feb 9, 2024 | 40d | 14 | $1.2B | 13F-HR |
| Q3 2023 | Sep 30, 2023 | Nov 9, 2023 | 40d | 22 | $885.8M | 13F-HR |
| Q2 2023 | Jun 30, 2023 | Aug 11, 2023 | 42d | 33 | $1.0B | 13F-HR |
| Q1 2023 | Mar 31, 2023 | May 15, 2023 | 45d | 48 | $951.8M | 13F-HR |
| Q4 2022 | Dec 31, 2022 | Feb 10, 2023 | 41d | 46 | $806.6M | 13F-HR |
| Q3 2022 | Sep 30, 2022 | Nov 10, 2022 | 41d | 47 | $803.7M | 13F-HR |
| Q2 2022 | Jun 30, 2022 | Aug 12, 2022 | 43d | 45 | $863.8M | 13F-HR |
| Q1 2022 | Mar 31, 2022 | May 13, 2022 | 43d | 44 | $990.7M | 13F-HR |
| Q4 2021 | Dec 31, 2021 | Feb 11, 2022 | 42d | 46 | $1.1B | 13F-HR |
| Q3 2021 | Sep 30, 2021 | Nov 12, 2021 | 43d | 40 | $1.7B | 13F-HR |
| Q2 2021 | Jun 30, 2021 | Aug 13, 2021 | 44d | 38 | $1.7B | 13F-HR |
| Q1 2021 | Mar 31, 2021 | May 7, 2021 | 37d | 38 | $1.8B | 13F-HR |
| Q4 2020 | Dec 31, 2020 | Feb 12, 2021 | 43d | 30 | $1.8B | 13F-HR |
| Q3 2020 | Sep 30, 2020 | Nov 13, 2020 | 44d | 24 | $1.8B | 13F-HR |
| Q2 2020 | Jun 30, 2020 | Sep 18, 2020 | 80d | 19 | $1.2B | 13F-HR/A |
Holdings from SEC EDGAR 13F-HR filings, updated quarterly, filed up to 45 days after quarter-end. Public domain. Book totals and portfolio weights cover reported non-option positions, which can include notes and warrants. Disclosed put/call options are listed separately and excluded from those totals. Price-derived performance is withheld until the price-source policy and freshness gate are green.