SEER Institutional Ownership
Who owns Seer, Inc. and what the big funds did with it last quarter, from every SEC 13F filing. 59 funds reported holding SEER at Jun 30, 2026, together owning 37.0% of the company.
- ▼23 buying vs 27 selling
- ▼Held by funds -1.5 pts
- ▲Funds holding +1
- ▲Superinvestors: 2 added, 1 cut
- ●Put/call not meaningful
What the filings show, not a forecast. Positions can be up to 45 days old and leave out short sales.
Funds holding and ownership
8 quartersQuarter over quarter
all 13F filers| Q2 2026 | This quarter | Q1 2026 | Change |
|---|---|---|---|
| Funds holding | 59 | 58 | +1.7% |
| In funds' top 10 | 1 | 2 | −50.0% |
| 13F shares | 20.5M | 21.3M | −3.9% |
| Held by funds | 37.0% | 38.5% | −1.5 pts |
| New positions | 9 | 7 | +28.6% |
| Increased | 14 | 10 | +40.0% |
| Reduced | 19 | 22 | −13.6% |
| Sold out | 8 | 15 | −46.7% |
| Calls (shares) | 0 | 0 | – |
| Puts (shares) | 0 | 0 | – |
| Put/call ratio | – | – | – |
Buyers vs sellers
adding or new vs cutting or sold outSuperinvestors in SEER
All superinvestors →Who owns SEER
share of fund held shares- Index and passive funds21.6%
- Active managers and hedge funds49.8%
- Banks and brokers28.6%
- Pensions, insurers and other0.0%
The top 10 holders own 78.4% of all SEER shares that funds reported. Groups are our own grouping of filers by name.
Filed so far for Q3 2026
6 funds changed their position- Covestor LtdNew+49K sh
- Marquette Asset Management, LLCSold out−62K sh
- Peapod Lane Capital LLCTrimmed−24K sh
- FNY Investment Advisers, LLCAdded+7,090 sh
- Caitong International Asset Management Co., LtdAdded+462 sh
🔒 Free account: see all 6.
Top holders
Q2 2026| # | Fund | Of company | Shares | Value | Change |
|---|---|---|---|---|---|
| 1 | Softbank Group Corp. | 9.27% | 5.1M | $8.5M | 0 |
| 2 | Siren, L.L.C. | 4.44% | 2.5M | $4.1M | 0 |
| 3 | Acadian Asset Management LLC | 3.53% | 2M | $3.2M | −121K |
| 4 | Vanguard Capital Management LLC | 3.31% | 1.8M | $3M | −128K |
| 5 | BlackRock, Inc. | 2.58% | 1.4M | $2.4M | −393K |
| 6 | Renaissance Technologies LLC | 1.78% | 986K | $1.6M | +8,812 |
| 7 | Nano Cap New Millennium Growth Fund L P | 1.49% | 825K | $1.4M | 0 |
| 8 | Citadel Advisors LLC | 0.94% | 519K | $862K | +519K |
| 9 | Two Sigma Investments, LP | 0.89% | 492K | $817K | −19K |
| 10 | Geode Capital Management, LLC | 0.83% | 460K | $765K | +37K |
- Citadel Advisors LLC+519K sh+$862K
- Voss Capital, LP+137K sh+$228K
- Advisory Services Network, LLC+133K sh+$220K
- Edgewood Management LLC+100K sh+$166K
- Jacobs Levy Equity Management, Inc+79K sh+$131K
- Marquette Asset Management, LLC+62K sh+$103K
- Jane Street Group, LLC+59K sh+$99K
- Goldman Sachs Group Inc+52K sh+$87K
- AJU IB Investment Co., Ltd.−816K sh−$1.5M
- BlackRock, Inc.−393K sh−$653K
- T3 Companies, LLC−171K sh−$287K
- Vanguard Capital Management LLC−128K sh−$212K
- D. E. Shaw & Co., Inc.−125K sh−$210K
- Acadian Asset Management LLC−121K sh−$201K
- NewEdge Advisors, LLC−79K sh−$132K
- Northern Trust Corp−56K sh−$92K
SEER institutional ownership FAQ
Who owns the most SEER stock?
In Q2 2026 13F filings the largest holder of SEER was Softbank Group Corp., followed by Siren, L.L.C. and Acadian Asset Management LLC. Index fund managers are usually the biggest holders of large companies.
What percentage of SEER is owned by institutions?
Funds that file 13F reports held 37.0% of SEER's shares at Jun 30, 2026, compared with 38.5% a quarter earlier. That counts every manager with more than $100 million in US stocks.
Are hedge funds buying SEER?
In Q2 2026, 23 funds bought SEER (9 of them new positions) and 27 sold (8 sold out completely). Among well known investors, 2 added and 1 cut. Our fund sentiment for SEER is neutral.
What is SEER's institutional put/call ratio?
Too few option positions were reported for a meaningful ratio.
How current is this SEER ownership data?
13F filings show holdings at the end of each quarter and are due within 45 days, so positions can be up to six weeks old when they appear. We add each new filing within minutes, and the "filed so far" list shows funds that have already reported the next quarter.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Fund sentiment summarises what 13F filings show and is not a forecast. Holdings come from SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.


