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
133
Shares (Excl. Options)
72,712,610
Price
$0.96
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- Type / Class
- Equity / Class A common stock, par value $0.0001 per share
- Symbol
- SES on NYSE
- Shares outstanding
- 319,517,769
- Price per share
- $1.02
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 72,712,610
- Total reported value
- $69,928,575
- % of total 13F portfolios
- 0%
- Share change
- -2,818,905
- Value change
- -$10,204,253
- Number of holders
- 133
- Price from insider filings
- $1.02
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors
Quick Takeaways
- SES - SES AI Corp - Class A common stock, par value $0.0001 per share is tracked under CUSIP 78397Q109.
- 133 institutions reported positions in Q1 2026.
- 4 significant owners is listed from Schedule 13D/13G reporting.
What Changed
- Holder count moved from 129 to 133 between Q4 2025 and Q1 2026.
- Reported value moved from $136,517,948 to $69,928,575.
Why This Matters
- 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.
Source Evidence
Source: SEC Form 13F
Open SEC Evidence
Latest holder context comes from 133 institutions filings for Q1 2026.
Investment Quick Answers
What is CUSIP 78397Q109?
CUSIP 78397Q109 identifies SES - SES AI Corp - Class A common stock, par value $0.0001 per share in SEC 13F datasets.
Where can I see the latest institutional holders?
Review the Q1 2026 holders report and the ownership history table below.
Next ownership checks
Use the next link that matches the question you still need to answer about this security.
- Latest 13F filings when you want to inspect fresh institutional portfolio moves.
- Latest Schedule 13D/13G reports when you need large-owner changes outside the 13F cycle.
- All institutional ownership pages to compare this security with other holder-history pages.
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 78397Q109:
Significant Owners of SES AI Corp - Class A common stock, par value $0.0001 per share (SES) based on Schedule 13D/G filings
| 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, 133 institutional investors reported holding 72,712,610 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.
Top 25 Institutional Shareholders
The largest institutional shareholders of SES AI Corp - Class A common stock, par value $0.0001 per share (SES) together control 20% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| 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 |
| 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 |
| Connor, Clark & Lunn Investment Management Ltd. | 0.13% | 418,765 | +3.9% | 0% | $402,852 |
Institutional Holders of SES AI Corp - Class A common stock, par value $0.0001 per share (SES) across Reporting Periods
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 72,712,610 | $69,928,575 | -$10,204,253 | $0.96 | 133 |
| 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 |