Latest Period
Q1 2026
Security Snapshot
SES AI Corp - Class A common stock, par value $0.0001 per share (SES) Institutional Ownership
CUSIP: 78397Q109
13F Institutional Holders and Ownership History from Q1 2021 to Q1 2026
Institutions Reporting
139
Shares (Excl. Options)
73,556,915
Price
$0.96
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- Security type / class
- Equity / Class A common stock, par value $0.0001 per share
- Symbol
- SES on NYSE
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 73,556,915
- Total 13F value
- $70,740,797
- Portfolio coverage rank
- 0%
- Share change
- -2,454,892
- Value change
- -$9,854,073
- Number of holders
- 139
- Shares outstanding
- 319,517,769
- SEC-reported price per share
- $1.04
- Insider filing price
- $1.04
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- SES - SES AI Corp - Class A common stock, par value $0.0001 per share is tracked under CUSIP 78397Q109.
- 139 institutions reported positions in Q1 2026.
- 4 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 129 to 139 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $136,517,948 to $70,740,797.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 139 institutions filings for Q1 2026.
Security key
78397Q109
Latest holder period
Q1 2026
13F holders
139
13D/G owners
4
CIK / CUSIP context first
Open Q1 2026 holders
SES full holder history
SES AI Corp SEC filings
SES AI Corp company facts
SES AI Corp insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 78397Q109:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
4
Security
SES
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Tianqi Lithium HK Co., Ltd. | 7.8% | $44,860,295 | 24,922,386 | Tianqi Lithium HK Co., Ltd. | 31 Dec 2025 | |||
| SK INC. | 4.9% | $15,269,713 | 15,741,972 | SK Inc. | 31 Dec 2024 | |||
| General Motors Holdings LLC | 1.2% | $3,804,292 | 3,921,950 | General Motors Holdings LLC | 10 Jan 2025 | |||
| Temasek Holdings (Private) Ltd | 1% | $5,278,389 | 3,160,712 | Temasek Holdings (Private) Limited | 30 Sep 2025 |
As of 31 Mar 2026, 139 institutional investors reported holding 73,556,915 shares of SES AI Corp - Class A common stock, par value $0.0001 per share (SES). This represents 23% of the company’s total 319,517,769 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
20%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC | 3% | 9,471,108 | 0% | 0% | $9,111,206 |
| Invesco Ltd. | 2.5% | 7,897,696 | +16% | 0% | $7,597,584 |
| BlackRock, Inc. | 1.7% | 5,481,111 | +0.1% | 0% | $5,272,828 |
| RENAISSANCE TECHNOLOGIES LLC | 1.4% | 4,596,252 | +57% | 0.01% | $4,421,594 |
| GEODE CAPITAL MANAGEMENT, LLC | 1% | 3,193,754 | +3.7% | 0% | $3,073,872 |
| MILLENNIUM MANAGEMENT LLC | 1% | 3,180,655 | +26% | 0% | $3,059,790 |
| Temasek Holdings (Private) Ltd | 0.99% | 3,160,712 | 0% | 0.01% | $3,040,605 |
| STATE STREET CORP | 0.95% | 3,038,810 | +5.3% | 0% | $2,923,335 |
| General Motors Holdings LLC | 0.91% | 2,921,950 | 0% | 3.1% | $2,810,916 |
| MARSHALL WACE, LLP | 0.84% | 2,669,589 | 0% | $2,562,805 | |
| GOLDMAN SACHS GROUP INC | 0.83% | 2,638,258 | -7.5% | 0% | $2,538,004 |
| TWO SIGMA INVESTMENTS, LP | 0.62% | 1,990,019 | -62% | 0% | $1,914,398 |
| UBS Group AG | 0.54% | 1,732,680 | -46% | 0% | $1,666,838 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.5% | 1,599,768 | +0.74% | 0% | $1,538,977 |
| Qube Research & Technologies Ltd | 0.49% | 1,566,291 | +142% | 0% | $1,506,772 |
| VANGUARD FIDUCIARY TRUST CO | 0.47% | 1,509,167 | 0% | 0% | $1,451,819 |
| MORGAN STANLEY | 0.34% | 1,072,776 | -25% | 0% | $1,032,010 |
| DIMENSIONAL FUND ADVISORS LP | 0.3% | 943,138 | +273% | 0% | $906,086 |
| Cinctive Capital Management LP | 0.29% | 937,974 | +179% | 0.06% | $902,331 |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 0.21% | 662,115 | 0% | $636,955 | |
| NORTHERN TRUST CORP | 0.2% | 638,447 | -14% | 0% | $614,186 |
| BANK OF AMERICA CORP /DE/ | 0.19% | 610,399 | +115% | 0% | $587,204 |
| Inspire Investing, LLC | 0.17% | 546,777 | 0.05% | $525,999 | |
| CITADEL ADVISORS LLC | 0.16% | 513,112 | -70% | 0% | $493,614 |
| XTX Topco Ltd | 0.14% | 459,704 | +36% | 0.01% | $442,235 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
19
Latest
Q1 2026
Rows shown
1-19 of 19
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 73,556,915 | $70,740,797 | -$9,854,073 | $0.96 | 139 |
| 2025 Q4 | 75,829,066 | $136,517,948 | +$26,713,424 | $1.80 | 129 |
| 2025 Q3 | 61,101,583 | $102,063,021 | -$3,703,924 | $1.67 | 95 |
| 2025 Q2 | 64,368,871 | $56,110,395 | -$11,584,377 | $0.89 | 108 |
| 2025 Q1 | 78,304,485 | $40,780,063 | -$7,560,680 | $0.52 | 101 |
| 2024 Q4 | 88,614,113 | $194,067,311 | -$12,406,866 | $2.19 | 91 |
| 2024 Q3 | 96,170,727 | $61,539,130 | -$4,774,612 | $0.64 | 90 |
| 2024 Q2 | 103,139,500 | $128,924,078 | -$1,794,866 | $1.25 | 74 |
| 2024 Q1 | 104,325,455 | $175,240,216 | -$2,335,489 | $1.68 | 78 |
| 2023 Q4 | 105,699,114 | $193,430,992 | +$1,855,464 | $1.83 | 79 |
| 2023 Q3 | 104,524,753 | $237,271,531 | -$5,278,202 | $2.27 | 83 |
| 2023 Q2 | 106,682,224 | $260,305,417 | +$19,181,937 | $2.44 | 75 |
| 2023 Q1 | 97,900,129 | $288,804,560 | -$6,115,526 | $2.95 | 63 |
| 2022 Q4 | 99,952,381 | $314,848,910 | +$2,762,022 | $3.15 | 56 |
| 2022 Q3 | 98,971,789 | $482,979,525 | +$55,656,527 | $4.88 | 53 |
| 2022 Q2 | 87,585,665 | $344,208,705 | -$40,201,256 | $3.93 | 50 |
| 2022 Q1 | 85,659,599 | $774,414,601 | +$771,417,955 | $9.05 | 44 |
| 2021 Q4 | 302,276 | $3,008,000 | +$3,008,000 | $9.95 | 3 |
| 2021 Q1 | 500,000 | $4,525,000 | $9.05 | 1 |