ATEN · A10 Networks, Inc. · Holdings
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Institutional Ownership Trend
Superinvestors Holding ATEN
All superinvestors →Holder Concentration
Across 315 13F filersWho Holds ATEN
Last 8 quarters through Sep 30, 2026 (filing window open)Each kind of 13F filer's share of the common shares 13F filers report. Holder type comes from regulatory records, never the filer's name; style, turnover and horizon are measured from each filer's own 13F book. The quarter selector does not change this card.
Jun 30, 2026, the newest closed quarter: 311 filers, like-for-like change +5.9%; actively managed books +7.0%; index-like books +4.1%.
| Holder type | Share | Filers | Change |
|---|---|---|---|
| Registered adviser | 43.5% | 155 | +0.8% |
| Exempt adviser | 0.4% | 5 | -19.6% |
| Adviser | 3.4% | 9 | +228.6% |
| Bank | 10.5% | 18 | -3.3% |
| Insurer | 2.0% | 2 | +13.1% |
| Broker-dealer | 0.1% | 2 | +2907.0% |
| Benefit plan | 0.3% | 5 | -2.4% |
| Non-US | 1.4% | 8 | +8.5% |
| Holding company | 26.5% | 10 | +13.9% |
| Unknown | 12.0% | 97 | -2.7% |
| Style | Share | Filers | Change |
|---|---|---|---|
| Index-like | 36.4% | 38 | +4.1% |
| Systematic-like | 3.7% | 23 | -23.1% |
| Concentrated | 0.8% | 30 | -13.3% |
| Diversified active | 59.0% | 220 | +10.1% |
| Unknown | 0.0% | 0 | -100.0% |
| Not measured | 0.0% | 0 | — |
| Turnover | Share | Filers | Change |
|---|---|---|---|
| Low turnover | 55.4% | 167 | +11.8% |
| Medium turnover | 27.8% | 81 | -2.2% |
| High turnover | 5.4% | 41 | -15.0% |
| Unknown | 11.4% | 22 | +12.4% |
| Not measured | 0.0% | 0 | — |
| Holding horizon | Share | Filers | Change |
|---|---|---|---|
| Short horizon | 12.2% | 41 | +13.6% |
| Medium horizon | 21.3% | 39 | +1.3% |
| Long horizon | 62.8% | 211 | +8.1% |
| Unknown | 3.7% | 20 | -19.5% |
| Not measured | 0.0% | 0 | — |
| 13F book size | Share | Filers | Change |
|---|---|---|---|
| Under $1B | 1.5% | 59 | +5.9% |
| $1B to $10B | 8.1% | 80 | -5.5% |
| $10B to $100B | 21.5% | 99 | +6.9% |
| $100B or more | 69.0% | 73 | +7.1% |
| Not measured | 0.0% | 0 | — |
| Client base | Share | Filers | Change |
|---|---|---|---|
| Individuals and high net worth | 4.0% | 68 | +5.9% |
| Pooled investment vehicles | 6.8% | 21 | -23.4% |
| Registered funds and BDCs | 27.1% | 23 | +3.2% |
| Pension and profit sharing plans | 0.0% | 3 | +51.7% |
| Insurance companies | 0.3% | 4 | -14.0% |
| Charitable organizations | 0.0% | 1 | new |
| Governments and sovereign funds | 0.9% | 7 | +0.7% |
| Other investment advisers | 0.1% | 5 | -0.4% |
| Other | 0.1% | 2 | +58.8% |
| Diversified | 4.2% | 21 | +46.5% |
| Unknown | 56.5% | 156 | +10.2% |
| Private funds | Share | Filers | Change |
|---|---|---|---|
| Hedge funds | 14.6% | 38 | -6.9% |
| Private equity funds | 0.8% | 10 | +2.0% |
| Venture capital funds | 0.0% | 1 | 0.0% |
| Real estate funds | 0.1% | 4 | -3.6% |
| Securitized asset funds | 0.2% | 1 | -1.4% |
| Other private funds | 7.3% | 19 | +16.7% |
| Mixed private funds | 0.1% | 2 | -32.8% |
| Private funds, type not stated | 0.2% | 4 | +14.3% |
| No private funds | 20.5% | 81 | +1.5% |
| Unknown | 56.1% | 151 | +10.5% |
| Location | Share | Filers | Change |
|---|---|---|---|
| United States | 91.8% | 256 | +8.9% |
| Outside the US | 8.2% | 55 | -19.4% |
The Sep 30, 2026 filing window is still open, so its bar carries the Jun 30, 2026 positions of filers that have not filed yet.
How the mix is measured
Shares are 13F common shares restated to today's split basis; options and principal amounts are left out. The change compares only filers with a 13F in both quarters and keeps each filer in its bucket of the later quarter on both sides; a filer that continues under a new CIK is compared through its successor. Holder type comes from each filer's current regulatory profile; client base and private funds come from the Form ADV roster current at each quarter end (rosters from December 2019, so an earlier quarter reads Unknown). Style, turnover, horizon and book size are measured from each filer's 13F book in the newest measured quarter, and Not measured means none was. Actively managed books are those measured systematic-like, concentrated or diversified active.
Excluded 2 holders with no observed 2026-03-31 13F and 2 holders with no observed 2026-06-30 13F. Compared across CIK changes: JANUS HENDERSON GROUP PLC continues as Jupiter Topco LLC.
Conviction and Crowding
311 13F filers, quarter ended Jun 30, 2026Measured across every 13F filer's common-share book once the quarter's filing window closed. Crowding counts filers with high turnover or that advise private funds on Form ADV.
Managers in the top fifth by current three-year FundScore alpha were net buyers of $0 (0 buying, 0 selling).
Estimated Holder Cost Basis
Quarter ended Jun 30, 2026, on that quarter's share basisEstimated, never filed: each 13F buy is costed at its quarter's average traded price and each sale keeps the average cost, so this is what holders paid on average if they traded evenly through each quarter.
Estimated cost covers 36.8% of the 13F shares; positions already held when a filer's 13F history starts, or bought in a quarter without a trusted average price, have no estimate.
Shared Holders
Companies ATEN's active holders also own, quarter ended Jun 30, 2026| # | Company | Shared holders |
|---|---|---|
| 1 | DGII Digi International Inc | 5 |
| 2 | ELMD Electromed, Inc. | 3 |
| 3 | ARLO Arlo Technologies, Inc. | 5 |
| 4 | NVEC Nve Corp /New/ | 3 |
| 5 | MYRG Myr Group Inc. | 7 |
| 6 | PLOW Douglas Dynamics, Inc | 4 |
| 7 | VPG Vishay Precision Group, Inc. | 4 |
| 8 | DAVE Dave Inc./DE | 6 |
| 9 | PKE Park Aerospace Corp | 4 |
| 10 | TENB Tenable Holdings, Inc. | 4 |
Shareholder Targets
13F filers that own its peers but not ATEN, quarter ended Jun 30, 2026Found through its holder-overlap peers: DGII, ELMD, ARLO, NVEC, MYRG, PLOW, VPG, DAVE, PKE, TENB, KLIC, DFIN, ALNT, QLYS, TCMD, NPKI, PNTG, CDNA, APPS, APEI. 928 filers in all.
| # | Filer | In peers | Largest peers |
|---|---|---|---|
| 1 | Hood River Capital Management LLC Registered adviser, Diversified active | $411,442,567 1 held | DAVE |
| 2 | Divisadero Street Capital Management, LP Registered adviser, Diversified active | $360,149,439 6 held | DAVE, APEI, CDNA |
| 3 | FULLER & THALER ASSET MANAGEMENT, INC. Registered adviser, Diversified active | $341,879,717 8 held | MYRG, KLIC, DAVE |
| 4 | T. Rowe Price Investment Management, Inc. Adviser, Diversified active | $326,961,696 6 held | MYRG, VPG, KLIC |
| 5 | Driehaus Capital Management LLC Registered adviser, Diversified active | $263,858,943 5 held | DAVE, MYRG, ALNT |
| 6 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ Registered adviser, Diversified active | $256,345,820 3 held | MYRG, DGII, NPKI |
| 7 | Point72 Asset Management, L.P. Registered adviser, Systematic-like | $255,802,874 8 held | KLIC, QLYS, TENB |
| 8 | BRANDES INVESTMENT PARTNERS, LP Registered adviser, Diversified active | $241,887,305 2 held | ARLO, PKE |
| 9 | Conestoga Capital Advisors, LLC Adviser, Diversified active | $166,494,609 3 held | DGII, PKE, NPKI |
| 10 | CONGRESS ASSET MANAGEMENT CO Registered adviser, Diversified active | $154,225,450 2 held | KLIC, MYRG |
Fund Ownership of ATEN by Fund Type
Registered funds' Form N-PORT reports for the quarter ended Jun 30, 2026Index funds and index ETFs hold 37.20% of shares outstanding.
| Fund type | Of shares outstanding | Shares |
|---|---|---|
| Index funds | 4.73% | 3,437,591 |
| Index ETFs | 32.46% | 23,569,922 |
| Active ETFs | 1.64% | 1,188,246 |
| Active funds | 14.16% | 10,280,385 |
| Unclassified | 0.75% | 545,054 |
| All registered funds | 53.74% | 39,021,198 |
How fund types are measured
Each fund series counts once, with its latest Form N-PORT report dated inside the quarter; only long share positions count, restated to today's split basis. The fund type is the series' latest Form N-CEN answer on or before the quarter end (the index-fund box and the exchange-traded flag), never its name. Unclassified funds have no usable N-CEN; unit investment trusts are among them, so index ownership is a floor. Funds sit inside their advisers' 13F reports, so these shares overlap the 13F figures and are never added to them.
| Holder | Value (USD) | % of 13F | Shares | Type | Filed | Open |
|---|---|---|---|---|---|---|
| Mega BlackRock, Inc. Holding company | $506,919,004 | 17.58% | 13,568,496 | Shares | 2026-08-07 | |
| Mega VANGUARD PORTFOLIO MANAGEMENT LLC Registered adviser | $129,342,486 | 4.49% | 3,462,058 | Shares | 2026-08-13 | |
| Mega FIRST TRUST ADVISORS LP Registered adviser | $121,223,449 | 4.21% | 3,244,739 | Shares | 2026-08-11 | |
| Mega STATE STREET CORP Bank | $115,167,094 | 4.00% | 3,082,631 | Shares | 2026-09-22 | |
| Mega VANGUARD CAPITAL MANAGEMENT LLC Registered adviser | $114,735,212 | 3.98% | 3,071,071 | Shares | 2026-08-13 | |
| Large Penserra Capital Management LLC Registered adviser | $114,622,160 | 3.98% | 3,068,045 | Shares | 2026-08-13 | |
| Large Boston Trust Walden Corp | $90,291,946 | 3.13% | 2,416,808 | Shares | 2026-07-24 | |
| Mega WELLINGTON MANAGEMENT GROUP LLP Holding company | $73,220,106 | 2.54% | 1,959,853 | Shares | 2026-08-14 | |
| Mega GEODE CAPITAL MANAGEMENT, LLC Registered adviser | $67,757,515 | 2.35% | 1,813,638 | Shares | 2026-08-12 | |
| Mega GOLDMAN SACHS GROUP INC Holding company | $66,685,581 | 2.31% | 1,784,946 | Shares | 2026-08-14 | |
| Mega DIMENSIONAL FUND ADVISORS LP Registered adviser | $59,743,458 | 2.07% | 1,599,129 | Shares | 2026-08-11 | |
| Large RENAISSANCE TECHNOLOGIES LLC Registered adviser | $56,797,922 | 1.97% | 1,520,287 | Shares | 2026-08-13 | |
| Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP Registered adviser | $53,710,604 | 1.86% | 1,437,650 | Shares | 2026-08-13 | |
| Mega FMR LLC Holding company | $53,569,681 | 1.86% | 1,433,878 | Shares | 2026-08-13 | |
| Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | $53,298,074 | 1.85% | 1,426,608 | Shares | 2026-08-14 | |
| Mega Invesco Ltd. Adviser | $46,440,457 | 1.61% | 1,243,053 | Shares | 2026-08-14 | |
| Mid PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. Registered adviser | $44,411,587 | 1.54% | 1,188,747 | Shares | 2026-08-14 | |
| Mega TWO SIGMA INVESTMENTS, LP Registered adviser | $42,028,617 | 1.46% | 1,124,963 | Shares | 2026-08-14 | |
| Large PRUDENTIAL FINANCIAL INC Insurer | $39,165,235 | 1.36% | 1,048,320 | Shares | 2026-08-12 | |
| Mega BARCLAYS PLC Bank | $35,954,590 | 1.25% | 962,382 | Shares | 2026-08-14 | |
| Mega MORGAN STANLEY Holding company | $33,925,976 | 1.18% | 908,083 | Shares | 2026-08-13 | |
| Large NOMURA ASSET MANAGEMENT INTERNATIONAL INC. Adviser | $33,493,875 | 1.16% | 896,517 | Shares | 2026-08-14 | |
| Mega PRICE T ROWE ASSOCIATES INC /MD/ Registered adviser | $33,414,708 | 1.16% | 894,398 | Shares | 2026-08-14 | |
| Large LOOMIS SAYLES & CO L P Registered adviser | $33,027,099 | 1.15% | 884,023 | Shares | 2026-08-14 | |
| Mega Boston Partners Registered adviser | $29,980,241 | 1.04% | 802,469 | Shares | 2026-08-04 | |
| Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC Registered adviser | $28,456,215 | 0.99% | 761,676 | Shares | 2026-08-14 | |
| Mega NORTHERN TRUST CORP Bank | $28,261,940 | 0.98% | 756,476 | Shares | 2026-08-13 | |
| Mega UBS Group AG Bank | $27,517,656 | 0.95% | 736,554 | Shares | 2026-08-13 | |
| Mega Bank of New York Mellon Corp Bank | $24,653,226 | 0.86% | 659,883 | Shares | 2026-08-06 | |
| Large ROYCE & ASSOCIATES LP Registered adviser | $22,328,054 | 0.77% | 597,646 | Shares | 2026-08-14 | |
| Mega BNP PARIBAS ARBITRAGE, SA Non-US | $21,413,407 | 0.74% | 573,164 | Shares | 2026-08-13 | |
| Mid OBERWEIS ASSET MANAGEMENT INC/ Registered adviser | $20,622,720 | 0.72% | 552,000 | Shares | 2026-08-14 | |
| Mega D. E. Shaw & Co., Inc. | $20,457,476 | 0.71% | 547,577 | Shares | 2026-08-14 | |
| Mega VANGUARD FIDUCIARY TRUST CO | $19,097,273 | 0.66% | 511,169 | Shares | 2026-08-13 | |
| Mega ROYAL BANK OF CANADA Bank | $17,297,789 | 0.60% | 463,003 | Shares | 2026-08-14 | |
| Mega BANK OF AMERICA CORP /DE/ Bank | $17,237,417 | 0.60% | 461,387 | Shares | 2026-08-14 | |
| Large Aptus Capital Advisors, LLC Registered adviser | $17,101,988 | 0.59% | 457,762 | Shares | 2026-08-12 | |
| Large ACADIAN ASSET MANAGEMENT LLC | $17,027,529 | 0.59% | 455,769 | Shares | 2026-08-13 | |
| Mega PRINCIPAL FINANCIAL GROUP INC Insurer | $16,678,363 | 0.58% | 446,423 | Shares | 2026-08-04 | |
| Mid Defiance ETFs, LLC Registered adviser | $15,399,567 | 0.53% | 412,194 | Shares | 2026-08-14 | |
| Large Impax Asset Management Group plc Holding company | $15,317,600 | 0.53% | 410,000 | Shares | 2026-08-11 | |
| Large WASATCH ADVISORS LP Registered adviser | $14,518,977 | 0.50% | 535,558 | Shares | 2026-10-13 | |
| Mid Ceredex Value Advisors LLC Registered adviser | $14,486,340 | 0.50% | 387,750 | Shares | 2026-08-11 | |
| Mid PARADIGM CAPITAL MANAGEMENT INC/NY Registered adviser | $14,372,392 | 0.50% | 384,700 | Shares | 2026-08-13 | |
| Large PEAK6 LLC Broker-dealer | $12,373,632 | 0.43% | 331,200 | Call | 2026-08-13 | |
| Mega WELLS FARGO & COMPANY/MN Bank | $12,311,389 | 0.43% | 329,534 | Shares | 2026-08-14 | |
| Mid Jump Financial, LLC | $12,120,219 | 0.42% | 324,417 | Shares | 2026-08-13 | |
| Small Bridge City Capital, LLC Registered adviser | $11,067,489 | 0.38% | 296,239 | Shares | 2026-08-11 | |
| Mid CRAWFORD INVESTMENT COUNSEL INC Registered adviser | $11,041,075 | 0.38% | 295,532 | Shares | 2026-08-14 | |
| Mega JPMORGAN CHASE & CO Bank | $10,584,310 | 0.37% | 283,306 | Shares | 2026-08-12 | |
| Mega ENVESTNET ASSET MANAGEMENT INC Registered adviser | $9,261,581 | 0.32% | 247,901 | Shares | 2026-09-23 | |
| Large Public Sector Pension Investment Board Non-US | $9,239,800 | 0.32% | 247,318 | Shares | 2026-08-13 | |
| Mid RICE HALL JAMES & ASSOCIATES, LLC Registered adviser | $9,157,571 | 0.32% | 245,117 | Shares | 2026-08-07 | |
| Mega Nuveen, LLC | $8,839,636 | 0.31% | 236,607 | Shares | 2026-08-11 | |
| Mega AMERICAN CENTURY COMPANIES INC | $8,756,474 | 0.30% | 234,381 | Shares | 2026-08-12 | |
| Mid Portolan Capital Management, LLC | $8,477,731 | 0.29% | 226,920 | Shares | 2026-08-14 | |
| Mid PEREGRINE CAPITAL MANAGEMENT LLC Registered adviser | $7,544,926 | 0.26% | 201,952 | Shares | 2026-07-17 | |
| Small SUMMIT PARTNERS L P Registered adviser | $7,474,428 | 0.26% | 200,065 | Shares | 2026-07-30 | |
| Mega Legal & General Group Plc | $7,077,700 | 0.25% | 189,446 | Shares | 2026-08-14 | |
| Mid Informed Momentum Co LLC Registered adviser | $7,052,372 | 0.24% | 188,768 | Shares | 2026-08-13 | |
| Large Connor, Clark & Lunn Investment Management Ltd. Registered adviser | $6,680,266 | 0.23% | 178,808 | Shares | 2026-08-13 | |
| Mega MILLENNIUM MANAGEMENT LLC Registered adviser | $6,559,631 | 0.23% | 175,579 | Shares | 2026-08-14 | |
| Mega RHUMBLINE ADVISERS Registered adviser | $6,432,159 | 0.22% | 172,167 | Shares | 2026-08-12 | |
| Large BESSEMER GROUP INC | $6,396,890 | 0.22% | 171,223 | Shares | 2026-08-12 | |
| Mega AMERIPRISE FINANCIAL INC Adviser | $6,299,755 | 0.22% | 168,623 | Shares | 2026-08-14 | |
| Mid Uniplan Investment Counsel, Inc. Registered adviser | $6,029,193 | 0.21% | 161,381 | Shares | 2026-08-14 | |
| Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC Registered adviser | $5,948,304 | 0.21% | 159,216 | Shares | 2026-08-13 | |
| Mid IQ EQ FUND MANAGEMENT (IRELAND) Ltd Exempt adviser | $5,934,374 | 0.21% | 158,843 | Shares | 2026-07-31 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $5,809,480 | 0.20% | 155,500 | Call | 2026-08-14 | |
| Mega SEI INVESTMENTS CO | $5,666,689 | 0.20% | 151,678 | Shares | 2026-08-14 | |
| Mega Creative Planning Registered adviser | $5,589,952 | 0.19% | 149,624 | Shares | 2026-08-13 | |
| Mid HARBOR CAPITAL ADVISORS, INC. Registered adviser | $5,516,913 | 0.19% | 147,669 | Shares | 2026-08-07 | |
| Mega VOYA INVESTMENT MANAGEMENT LLC Registered adviser | $5,358,208 | 0.19% | 143,421 | Shares | 2026-08-12 | |
| Large TRUIST FINANCIAL CORP Bank | $5,166,962 | 0.18% | 138,302 | Shares | 2026-07-28 | |
| Large CREDIT AGRICOLE S A | $5,155,680 | 0.18% | 138,000 | Shares | 2026-08-14 | |
| Mega Swiss National Bank | $5,107,112 | 0.18% | 136,700 | Shares | 2026-08-11 | |
| Small 4D Advisors, LLC Registered adviser | $5,043,600 | 0.17% | 135,000 | Shares | 2026-08-14 | |
| Mega Russell Investments Group, Ltd. | $5,043,262 | 0.17% | 134,991 | Shares | 2026-08-06 | |
| Mid Hennion & Walsh Asset Management, Inc. | $4,914,690 | 0.17% | 181,287 | Shares | 2026-10-13 | |
| Mega CITIGROUP INC Bank | $4,795,715 | 0.17% | 128,365 | Shares | 2026-08-03 | |
| Mega VICTORY CAPITAL MANAGEMENT INC Registered adviser | $4,593,113 | 0.16% | 122,942 | Shares | 2026-08-07 | |
| Large TUDOR INVESTMENT CORP ET AL Registered adviser | $4,492,913 | 0.16% | 120,260 | Shares | 2026-08-14 | |
| Large Caption Management, LLC Registered adviser | $4,483,200 | 0.16% | 120,000 | Call | 2026-08-14 | |
| Large STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM Benefit plan | $4,289,637 | 0.15% | 114,819 | Shares | 2026-08-10 | |
| Large FEDERATED HERMES, INC. Adviser | $4,274,581 | 0.15% | 114,416 | Shares | 2026-08-12 | |
| Mid PDT Partners, LLC Registered adviser | $4,155,403 | 0.14% | 111,226 | Shares | 2026-08-14 | |
| Large Universal- Beteiligungs- und Servicegesellschaft mbH | $3,911,853 | 0.14% | 104,707 | Shares | 2026-08-06 | |
| Large Brevan Howard Capital Management LP Exempt adviser | $3,813,895 | 0.13% | 102,085 | Shares | 2026-08-14 | |
| Mega FRANKLIN RESOURCES INC Adviser | $3,725,872 | 0.13% | 99,729 | Shares | 2026-08-13 | |
| Mega HSBC HOLDINGS PLC | $3,528,166 | 0.12% | 94,437 | Shares | 2026-08-14 | |
| Mega JANE STREET GROUP, LLC | $3,507,356 | 0.12% | 93,880 | Shares | 2026-08-14 | |
| Mega CITADEL ADVISORS LLC Registered adviser | $3,483,446 | 0.12% | 93,240 | Shares | 2026-09-02 | |
| Mega DEUTSCHE BANK AG\ Non-US | $3,254,167 | 0.11% | 87,103 | Shares | 2026-08-07 | |
| Mega AQR CAPITAL MANAGEMENT LLC Registered adviser | $3,108,611 | 0.11% | 83,207 | Shares | 2026-08-14 | |
| Large NEW YORK STATE COMMON RETIREMENT FUND | $3,033,594 | 0.11% | 81,199 | Shares | 2026-07-29 | |
| Large OSAIC HOLDINGS, INC. Holding company | $2,990,406 | 0.10% | 80,043 | Shares | 2026-08-14 | |
| Mega ALLIANCEBERNSTEIN L.P. Registered adviser | $2,977,853 | 0.10% | 79,707 | Shares | 2026-08-14 | |
| Mega Allianz Asset Management GmbH | $2,971,054 | 0.10% | 79,525 | Shares | 2026-09-02 | |
| Mega CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Benefit plan | $2,868,052 | 0.10% | 76,768 | Shares | 2026-08-24 | |
| Mega CANADA PENSION PLAN INVESTMENT BOARD Non-US | $2,820,680 | 0.10% | 75,500 | Shares | 2026-08-14 |
Showing the top 100 of 319 holders. Create a free account to see every holder, past quarters, search, filters and CSV export.