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RESEARCH · VENUE INTELLIGENCE · AUGUST 2026

What Nasdaq Is Buying

An exchange operator is acquiring the third-largest dark pool six days before the comment file closed on rescinding the rule that makes exchange quotes special. The volume is the obvious part. The reason to pay for it is not.

#3
Largest ATS by shares
7.99%
Share of ATS notional
$2.10T
Notional, 29 weeks
12,999
Symbols traded
2.1%
Share volatility, 2nd steadiest
43
Avg print, shares *
14.7%
Nasdaq exchange share
Aug 17
Rule 611 comments close

An exchange buying a dark pool is not, by itself, interesting. What makes this one worth reading closely is the asset and the timing. The asset is not simply $2.10 trillion of crossed notional. It is the steadiest market share in the entire ATS field apart from one captive bank pool, held by a venue that is broker-neutral, which means the flow arrives through routing arrangements rather than through daily competition. That is a distribution network, and it is the one thing an exchange cannot build by filing a rule. The timing adds three more readings: a hedge against Rule 611, a vehicle for a 24-hour market that an exchange rulebook makes awkward, and a set of benchmark order types that sit closer to the institution than an exchange normally gets. And Nasdaq announced the deal alongside a new business unit, Digital Liquidity Networks, that positions LeveL as the equities anchor of a tokenization and digital-assets container.

01What Was Announced

Nasdaq announced a definitive agreement to acquire LeveL Markets LLC, described in its own release as a leading off-exchange equity execution venue in the United States and the operator of the LeveL ATS. The framing is an “always-on markets” strategy, and the transaction is subject to customary conditions including regulatory review.

Everything below is measured from public sources: the LeveL ATS Form ATS-N on EDGAR and FINRA's Rule 4552 transparency file. We take no position on the merits, the price, or the outcome of the review.

02The Asset

Across the 29 fully reported weeks from mid-December 2025 through late June 2026, the LeveL ATS crossed $2.10 trillion of notional and 30.4 billion shares. That is 7.99% of all ATS notional and 7.77% of ATS shares across the 36 venues reporting under Rule 4552, 34 of them NMS-equity, making it the third-largest ATS by shares and fourth by notional.

Its reach is close to total. LeveL touched 12,999 symbols, near the full investable U.S. universe, and its top twelve names account for only 15.8% of notional. Tier 1 names carry 82.9% of notional and Tier 2 the remaining 17.1%, which puts it at the median of the large venues on small and mid-cap exposure. This is a general-purpose crossing utility rather than a specialist.

SymbolNotionalShare of venueAvg print *
SPY$56.0B2.7%37 sh
NVDA$33.4B1.6%39 sh
MU$33.2B1.6%24 sh
QQQ$31.1B1.5%38 sh
MSFT$29.6B1.4%26 sh
AMZN$24.5B1.2%38 sh
TSLA$24.4B1.2%22 sh
AVGO$22.6B1.1%29 sh
AAPL$22.4B1.1%34 sh
META$20.2B1.0%20 sh

One note on Luminex

LeveL Markets also ran Luminex, the buy-side block venue Fidelity and eight other asset managers launched in 2015 with a 5,000-share minimum, which it acquired through the 2022 merger that combined the two operators. It is no longer trading. Luminex filed a Form ATS-N-C on March 13, 2026, effective March 27, and its last FINRA print was the week of March 23. In its final fifteen reported weeks it crossed $13.2 billion in 5,031 trades, averaging 29,702 shares. Nasdaq is acquiring one operating venue, not two.

03Buying Distribution

Here is the number that explains the deal better than the volume does. Across seven consecutive months, LeveL's share of all ATS notional never left a half-point band, running between 7.62% and 8.12%.

LeveL Share of Total ATS Notional, by Month
7.0%7.5%8.0%8.5%7.96DEC7.62JAN7.94FEB8.09MAR8.03APR8.04MAY8.12JUNSeven months inside a half-point band
Monthly share of all FINRA-reported ATS notional. Source: FINRA Rule 4552.

Measured as month-to-month volatility of market share, LeveL is the second steadiest venue in the field, at a 2.1% coefficient of variation. For comparison, Intelligent Cross, the largest ATS by volume, runs at 6.7%, and PureStream at 14.6%.

The one venue steadier than LeveL is UBS ATS at 0.9%, and that comparison is what makes the point. UBS, Sigma X2, Instinct X, the Morgan Stanley pools and JPM-X are all operator-affiliated: the broker-dealer running the venue is itself a principal source of the flow arriving in it. Holding share is far easier when a large share of the flow is your own. LeveL is broker-neutral. It has no captive flow, and it still holds share more tightly than every venue in the market except one bank pool.

Who Holds Share Steadily, and Who Has to Earn It
Month-to-month volatility of ATS market share. Lower is steadier.UBS ATS0.9%operator-affiliatedLeveL ATS2.1%Sigma X2 (GS)5.0%operator-affiliatedInstinct X (BofA)5.3%operator-affiliatedMS Trajectory5.8%operator-affiliatedIntelligent Cross6.7%BIDS9.1%JPM-X10.3%operator-affiliatedPureStream14.7%LeveL is broker-neutral, yet holds share more steadily than every venue except one bank pool.
Coefficient of variation of monthly ATS notional share, December 2025 to June 2026. Operator-affiliated pools are marked because captive flow makes stability structurally easier. Source: FINRA Rule 4552.

Nasdaq is not buying $2.10 trillion of volume. It is buying the reason that volume keeps arriving.

Share that steady, at a neutral venue, is the signature of flow arriving through embedded routing arrangements and order-management integrations rather than through competition for each individual order. That is distribution into the sell side, and it is precisely the asset an exchange cannot manufacture. Nasdaq can file a rule to create a new order type. It cannot file a rule to be in someone's routing table.

04Buying a Hedge

The comment file on rescinding Regulation NMS Rules 611 and 610(e) closes August 17. Rule 611 is the order protection rule, the provision that makes a displayed exchange quote legally special by requiring trading centers to avoid trading through it.

Rescind it and the asymmetry falls away in both directions. Off-exchange venues lose a constraint. Exchanges lose a privilege attached to their displayed quotes, and with it part of the reason flow must interact with a lit book at all. Nasdaq's three exchanges match roughly 14.7% of consolidated U.S. equity volume, a strong but ordinary figure for one of three exchange families. Buying the third-largest ATS six days before that file closed is, at minimum, well timed. Read less charitably, it is an exchange operator hedging its own franchise against a rule change that would devalue it.

05Buying a Clock

Nasdaq framed the deal around always-on markets, and that framing deserves to be taken literally. Extended SIP hours go live December 6. Conditional relief for 24X becomes effective in January 2027 as a backstop. NSCC 24x5 clearing is already running. The infrastructure for a longer trading day is arriving on a fixed calendar.

An ATS is a considerably easier vehicle for that than an exchange. A national securities exchange changes its hours, its order types or its session structure through the rule-filing process, in public, with comment and Commission involvement. An ATS amends its Form ATS-N. Our reading of the first half of 2026 found 108 ATS-N amendments, with venues repeatedly stretching the trading day from both ends. That is the speed difference. If you believe the trading day is about to get longer and you want to move first, you would rather own an ATS than only an exchange.

06Buying the Stack

The fourth reading is the least discussed and possibly the most durable. Alongside firm and conditional orders, the LeveL ATS runs a suite of benchmark order types: Full Day VWAP Orders, VWAP Block Orders and VWAP Sliced Orders. Its conditional orders must carry a Minimum Quantity or a Minimum Block Size. Orders may peg to the national best offer, the national best bid or the midpoint, with penny offsets.

Benchmark execution is normally the broker's product, delivered by an algorithm that works a parent order across venues. Offering it inside the pool moves that function to the venue. For an exchange operator whose relationship with the buy side is usually mediated by data feeds and by the brokers in between, acquiring a venue that already performs benchmark execution is a step up the stack, toward the institution actually making the decision.

Which is why the permitted subscriber list matters: Brokers, Principal Trading Firms, Market Makers and Dealers, alongside institutional customers the filing identifies as Asset Managers and Hedge Funds. Both sides of the market are already in the book.

Why 43 shares does not mean small orders

LeveL's average print is 43 shares, and that figure will be quoted as evidence the venue only handles small orders. It is not. Continuous crossing engines fragment a parent order into many small child executions, so the average is an artifact of matching design rather than a measure of participant size. We documented the same effect at PureStream, where liquidity-transfer-rate streaming produces a 37-share average from parent orders that are anything but small. A venue carrying VWAP block order types and minimum-block-size conditionals is not a small-order venue. It is a venue that reports small prints.

Average Print Size, and Why It Misleads
PureStream *37 shLeveL ATS *43 shMS Trajectory53 shGoldman SIGMA X261 shUBS ATS78 shIntelligent Cross81 sh*Mechanically small: the engine fragments a parent order, so print size is not order size.
Starred venues report mechanically small prints because of how their engines match, not because their orders are small. Source: FINRA Rule 4552, 30 weeks.

07Buying a Container

Nasdaq did not simply announce an acquisition. It announced the acquisition alongside a new business unit built to house it: Digital Liquidity Networks. Roland Chai, Nasdaq's EVP of European Markets and Head of Digital Assets, will lead the unit. In his own words, DLN is “focused on the increased industry demand for operating in a continuous trading environment,” and LeveL Markets will operate within it once the deal closes.

The framing is the container. DLN is positioned as the place where cash equities, tokenized instruments, and digital assets converge. Chai describes them together as “expressions of a broader transformation designed to make markets more continuous and accessible across asset classes, geographies, and financial instruments.” That language does two things. It absorbs LeveL's equities book into a longer-horizon story about tokenization. And it puts a tokenization-native head of business over what would otherwise be an off-exchange equities acquisition.

Read narrowly, the other four readings we set out still hold and can still be tested. Read alongside DLN, the acquisition is also the equities anchor for whatever Nasdaq builds next in tokenized instruments and digital assets. The unit provides a regulated, exchange-owned book with real institutional flow, into which tokenized instruments can be introduced when the regulatory perimeter allows. LeveL supplies the flow, the counterparties, and the off-exchange market structure that a purely digital-native venue would take years to build.

The dark pool is the down payment on a container Nasdaq intends to fill with more than equities.

The competitive read follows. Every major exchange has a tokenization story. Very few have bought institutional off-exchange flow to seed it with. If DLN develops as its framing suggests, the interesting comparison two years out is not against the other equities exchanges. It is against the venues that started digital-native and are now trying to acquire regulated equities distribution, which is the opposite path and a harder one.

08What To Watch

Each reading above implies something measurable. These are the places the thesis breaks if it is wrong.

##References & Method

Sources

  • Roland Chai, “Always-on Markets: Building on What Markets Trust Most,” LinkedIn Pulse, August 2026. The Digital Liquidity Networks framing and Chai's language quoted in section 07 are drawn from that essay.
  • Nasdaq newsroom. “Nasdaq Advances Always-On Markets Strategy with Definitive Agreement to Acquire LeveL Markets.” Deal facts and framing.
  • LeveL ATS Form ATS-N, LeveL Markets, LLC, SEC File No. 013-00192, material amendment filed June 26, 2026, read from the EDGAR primary document. Order types, pegging, minimum quantity and block-size conditions, permitted subscriber classes and channel-based segmentation are drawn from that filing.
  • Luminex ATS Form ATS-N-C, File No. 013-00112, MPID LMNX, filed March 13, 2026, cessation date March 27, 2026.
  • FINRA Rule 4552 ATS Transparency Data, 29 complete reporting weeks, December 15, 2025 through June 29, 2026. Notional, shares, trades, symbol counts, tier splits, print sizes and share-stability statistics are computed from the security-level weekly record.
  • Cboe US equities market share data for Nasdaq exchange context, 30 trading days to early August 2026.

Method notes

  • FINRA publishes Tier 1 securities on roughly a two-week lag and Tier 2 on roughly a four-week lag. Until Tier 2 arrives, a recent week shows Tier 1 only and understates the venue's true volume. Every figure in this analysis excludes weeks in which no venue in the market reported Tier 2, which removed the weeks of July 6 and July 13. Including them would have overstated the Tier 1 share of LeveL's book and understated its notional.
  • Share stability is the coefficient of variation (standard deviation over mean) of a venue's monthly share of total ATS notional across the seven months December through June, computed for the fourteen largest venues by notional.
  • “Operator-affiliated” identifies pools run by a broker-dealer that is itself a significant source of the flow in that pool. It is noted because captive flow makes share stability structurally easier to achieve and therefore less informative.
  • * Average print size is reported but not treated as a proxy for order size. Continuous crossing and streaming engines fragment parent orders into many child executions, so the reported average is an artifact of matching design.
  • The five readings in sections 03 through 07 are our interpretation of a public transaction. Nasdaq has stated an always-on markets rationale and has not commented on Rule 611. The measurable implications are set out in section 08 so the reasoning can be tested rather than taken on trust. The DLN framing in section 07 is drawn from Roland Chai's LinkedIn essay “Always-on Markets: Building on What Markets Trust Most” and from Nasdaq's own announcement.
  • This analysis uses only public regulatory and market data. It contains no client, routing or execution-quality information, and expresses no view on the transaction or its regulatory review.

Sapinover builds intelligence on U.S. equity market structure. This analysis is for informational purposes only and is not investment advice or a solicitation.