Seer, Inc. 13F holders
59 funds reported a position in Seer, Inc. in their 13F for the quarter ended 30 June 2026, together 20.5 million shares worth $34.0 million. Against the quarter before, 9 opened a position, 14 added, 19 trimmed and 8 sold out; together they sold a net 827,735 shares. The largest holders: Softbank Group Corp., Siren, L.L.C. and Acadian Asset Management LLC.
Funds holding59+1 on Q1 2026
Shares they held20.5Mworth $34.0 million
Net sold on the quarter827,735 sharesabout $1.4 million at the funds' values
Funds buying to selling23 to 27opened or added, to cut or sold
Opened 9Added 14Held 17Trimmed 19Sold out 8
What each fund did in SEER against its 13F for the quarter before; a change under 0.1% of a holding counts as held
Funds reporting a position in SEER in their 13F, each quarter; hover a bar for the shares they held
Filed so far for the quarter to 30 September 2026
3,405 funds have filed their 13F for the quarter so far; the rest are due by 16 November 2026. Of those, 6 reported a position in Seer, Inc.: 1 opened one, 2 added, 2 trimmed and 1 sold out, a net 29,420 shares sold.
| Fund | Change in shares | Shares now | Status | Filing |
|---|---|---|---|---|
| Covestor Ltd | +49,078 | 49,078 | new | 13F |
| Peapod Lane Capital LLC | -23,966 | 421,484 | trimmed | 13F |
| FNY Investment Advisers, LLC | +7,090 | 15,590 | added | 13F |
| Caitong International Asset Management Co., Ltd | +462 | 593 | added | 13F |
| SBI Securities Co., Ltd. | -268 | 2,068 | trimmed | 13F |
| Marquette Asset Management, LLC | -61,816 | 0 | sold out | 13F |
The largest moves in the name among the funds that have filed, against each fund's previous 13F.
The well-known funds
Of the 44 funds followed here, 6 reported a position in Seer, Inc. in a 13F for the quarter ended 30 June 2026. The largest: Renaissance Technologies, 985,500 shares worth $1.6 million, 0.0% of its reported book. New this quarter: Citadel Advisors. In the quarter, 3 funds added or opened a position and 3 trimmed or sold out; together they bought a net 545,568 shares, about $905,643 at the funds' own value per share on 30 June 2026. A change under 0.1% of a holding counts as held.
| Fund | Shares | Value | Of its book | Change on the quarter | Status | Quarter ended | Filing |
|---|---|---|---|---|---|---|---|
| Renaissance Technologies | 985,500 | $1.6 million | 0.0% | +8,812 | added | 30 June 2026 | 13F |
| Citadel Advisors | 519,310 | $862,055 | 0.0% | +519,310 | new | 30 June 2026 | 13F |
| Two Sigma Investments | 492,298 | $817,215 | 0.0% | -19,300 | trimmed | 30 June 2026 | 13F |
| Geode Capital Management | 460,430 | $764,512 | 0.0% | +37,453 | added | 30 June 2026 | 13F |
| Point72 Asset Management | 14,115 | $23,431 | 0.0% | -698 | trimmed | 30 June 2026 | 13F |
| FMR LLC | 635 | $1,054 | 0.0% | -9 | trimmed | 30 June 2026 | 13F |
Value is what the fund reported.
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Change is shares against the fund's previous 13F; a fund with one filing read shows no change. 13Fs cover long US positions of managers above $100 million and are filed up to 45 days after the quarter.The largest holders
| Fund | Shares | Share of all | Value | Of its book | Change in shares | Filing |
|---|---|---|---|---|---|---|
| Softbank Group Corp. | 5,135,383 | 25.04% | $8.5 million | 0.05% | no change | 13F |
| Siren, L.L.C. | 2,458,673 | 11.99% | $4.1 million | 0.08% | no change | 13F |
| Acadian Asset Management LLC | 1,953,704 | 9.53% | $3.2 million | 0.00% | -121,005 | 13F |
| Vanguard Capital Management LLC | 1,831,058 | 8.93% | $3.0 million | 0.00% | -127,938 | 13F |
| BlackRock, Inc. | 1,428,405 | 6.96% | $2.4 million | 0.00% | -393,199 | 13F |
| Renaissance Technologies LLC | 985,500 | 4.80% | $1.6 million | 0.00% | +8,812 | 13F |
| Nano Cap New Millennium Growth Fund L P | 825,000 | 4.02% | $1.4 million | 1.05% | no change | 13F |
| Citadel Advisors LLC | 519,310 | 2.53% | $862,055 | 0.00% | new | 13F |
| Two Sigma Investments, LP | 492,298 | 2.40% | $817,215 | 0.00% | -19,300 | 13F |
| Geode Capital Management, LLC | 460,430 | 2.24% | $764,512 | 0.00% | +37,453 | 13F |
| Bridgeway Capital Management, LLC | 459,443 | 2.24% | $762,675 | 0.01% | no change | 13F |
| Peapod Lane Capital LLC | 445,450 | 2.17% | $739,447 | 0.50% | +6,869 | 13F |
| 1888 Investments, LLC | 359,143 | 1.75% | $596,177 | 1.06% | no change | 13F |
| Goldman Sachs Group Inc. | 246,638 | 1.20% | $409,419 | 0.00% | +52,465 | 13F |
| Jacobs Levy Equity Management, Inc. | 222,332 | 1.08% | $369,071 | 0.00% | +79,090 | 13F |
| Rangeley Capital, LLC | 222,000 | 1.08% | $368,520 | 0.34% | +37,698 | 13F |
| Vanguard Fiduciary Trust Co. | 216,961 | 1.06% | $360,155 | 0.00% | +1,433 | 13F |
| Dimensional Fund Advisors LP | 212,625 | 1.04% | $352,957 | 0.00% | -9,291 | 13F |
| Edgewood Management LLC | 200,000 | 0.98% | $332,000 | 0.00% | +100,000 | 13F |
| Gsa Capital Partners LLP | 184,524 | 0.90% | $306,000 | 0.02% | -9,980 | 13F |
| State Street Corp. | 159,950 | 0.78% | $265,517 | 0.00% | no change | 13F |
| Morgan Stanley | 145,434 | 0.71% | $241,421 | 0.00% | -15,445 | 13F |
| Advisory Services Network, LLC | 142,648 | 0.70% | $236,796 | 0.00% | +132,648 | 13F |
| Voss Capital, LP | 137,291 | 0.67% | $227,903 | 0.01% | new | 13F |
| HSBC Holdings PLC | 114,348 | 0.56% | $191,533 | 0.00% | no change | 13F |
| Shay Capital LLC | 94,208 | 0.46% | $156,385 | 0.02% | -41,282 | 13F |
| Northern Trust Corp. | 78,895 | 0.38% | $130,966 | 0.00% | -55,665 | 13F |
| American Century Companies Inc. | 73,815 | 0.36% | $122,533 | 0.00% | no change | 13F |
| Corient Private Wealth LP | 73,200 | 0.36% | $121,512 | 0.00% | +10,000 | 13F |
| Royal Bank of Canada | 71,560 | 0.35% | $119,000 | 0.00% | -57 | 13F |
| Palumbo Wealth Management LLC | 68,483 | 0.33% | $113,682 | 0.02% | +1,296 | 13F |
| Marquette Asset Management, LLC | 61,816 | 0.30% | $102,615 | 0.01% | new | 13F |
| Jane Street Group, LLC | 59,400 | 0.29% | $98,604 | 0.00% | new | 13F |
| Bank of America Corp. | 56,993 | 0.28% | $94,608 | 0.00% | -79 | 13F |
| Price T Rowe Associates Inc. | 51,914 | 0.25% | $87,000 | 0.00% | +12,059 | 13F |
| XTX Topco Ltd | 44,377 | 0.22% | $73,666 | 0.00% | +31,227 | 13F |
| Prelude Capital Management, LLC | 33,887 | 0.17% | $56,252 | 0.00% | -10,165 | 13F |
| Pathstone Holdings, LLC | 26,510 | 0.13% | $44,007 | 0.00% | -1,695 | 13F |
| UBS Group AG | 26,139 | 0.13% | $43,391 | 0.00% | -22,257 | 13F |
| Invesco Ltd. | 23,835 | 0.12% | $39,566 | 0.00% | -2,625 | 13F |
| HRT Financial LP | 22,709 | 0.11% | $37,000 | 0.00% | new | 13F |
| Sequoia Financial Advisors, LLC | 16,600 | 0.08% | $27,556 | 0.00% | no change | 13F |
| Bronte Capital Management Pty Ltd. | 15,109 | 0.07% | $25,081 | 0.00% | new | 13F |
| Point72 Asset Management, L.P. | 14,115 | 0.07% | $23,431 | 0.00% | -698 | 13F |
| Vanguard Global Advisers, LLC | 12,889 | 0.06% | $21,396 | 0.00% | no change | 13F |
| FNY Investment Advisers, LLC | 8,500 | 0.04% | $14,000 | 0.01% | no change | 13F |
| Barclays PLC | 8,127 | 0.04% | $13,491 | 0.00% | -40,084 | 13F |
| SBI Securities Co., Ltd. | 2,336 | 0.01% | $3,878 | 0.00% | -297 | 13F |
| Russell Investments Group, Ltd. | 1,603 | 0.01% | $2,661 | 0.00% | -447 | 13F |
| Atlantic Union Bankshares Corp | 1,250 | 0.01% | $2,075 | 0.00% | new | 13F |
The 50 largest of the 59 funds that reported a position in SEER in their 13F for the quarter ended 30 June 2026, by the value each reported.
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Share of all is the fund's part of all the shares the funds reported. Change is shares against the fund's 13F for the quarter before. A 13F lists a manager's long positions in US-listed shares at the quarter's end. What is a 13F?Schedule 13D and 13G filed on the name, last twelve months
| Filed | Schedule | Who | Holding | Of the class | Event date | Rule or purpose | Filing |
|---|---|---|---|---|---|---|---|
| 15 May 2026 | 13G/A | Omid Farokhzad and 1 other | 6.9 million | 12.0% | 31 March 2026 | passive, other (13d-1(d)) | EDGAR |
| 4 May 2026 | 13G/A | Invus Public Equities, L.P. and 9 others | 2.5 million | 4.4% | 31 March 2026 | passive, under 20% (13d-1(c)) | EDGAR |
| 13 April 2026 | 13D/A | Radoff Family Foundation and 5 others | 2.6 million | 4.6% | 12 April 2026 | Item 4 is hereby amended to add the following: On April 13, 2026, the Reporting Persons submitted a non-binding proposal to acquire 100% of the equity of the Issuer at a purchase price of $2.25 per Share in cash, representing a 33% premium | EDGAR |
| 2 March 2026 | 13D/A | Radoff Family Foundation and 5 others | 2.6 million | 4.6% | 26 February 2026 | Item 4 is hereby amended to add the following: The Reporting Persons are deeply concerned by the Board's recent decision to adopt the tax benefits preservation plan, dated February 26, 2026 (the "NOL Pill"), which the Reporting Persons beli | EDGAR |
| 20 February 2026 | 13D | Radoff Family Foundation and 5 others | 2.1 million | 3.7% | 12 February 2026 | The Reporting Persons purchased the Shares based on the Reporting Persons' belief that the Shares, when purchased, were undervalued and represented an attractive investment opportunity. Depending upon overall market conditions, other invest | EDGAR |
A Schedule 13D is filed by anyone who crosses 5% of a class with intent to influence; a 13G by a passive holder.
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Amendments (/A) report a change, including an exit to zero. Holding and percentage are as the filer stated them on the cover page; the purpose is the filer's own words, cut short. 13D and 13GFails to deliver
| Settlement date | Shares failed | Price | File |
|---|---|---|---|
| 31 August 2026 | 14 | $1.98 | SEC |
| 27 August 2026 | 17 | $2.02 | SEC |
| 12 August 2026 | 1,363 | $2.16 | SEC |
| 6 August 2026 | 6 | $2.19 | SEC |
| 3 August 2026 | 4 | $2.22 | SEC |
Shares that failed to deliver at settlement, per day, from the SEC's half-month files, which arrive about two weeks after the period.