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Not everything an institution owns shows up on a 13F. The SEC only requires disclosure of positions on its Official List of Section 13(f) Securities, a specific, quarterly-updated list of more than 17,500 securities. If it's not on the list, it doesn't get reported, no matter how large the position is.
Here's what actually qualifies, what doesn't, and a few reporting quirks worth knowing if you're reading someone else's filing.
The Core Categories
Section 13(f) securities generally break down into:
- U.S. exchange-traded equities, including anything listed on NYSE, NASDAQ, or AMEX
- ETFs listed on a U.S. exchange
- Shares of closed-end investment companies
- ADRs (American Depositary Receipts)
- Certain convertible debt securities
- Certain equity options and warrants
That covers the vast majority of what shows up in a typical filing: common stock, ETF shares, and closed-end fund shares dominate by volume.
What Doesn't Make the List
A few categories that people often assume are covered, but aren't:
- Mutual funds. Shares of open-end investment companies are explicitly excluded, since 13F only covers exchange-traded and closed-end vehicles. Some managers report them anyway, voluntarily, beyond the mandatory scope.
- Bonds and most fixed income. Straight debt isn't a 13(f) security unless it's convertible.
- Foreign-listed securities. If it doesn't trade on a U.S. exchange, it's off the list even if a U.S. manager holds it.
- Private equity, private credit, and direct real estate. None of these are publicly traded, so none of them are reportable.
- Short positions. 13F only requires disclosure of long positions.
Reporting Quirks Worth Knowing
A few mechanics shape what actually appears on a given filing, beyond the basic list of eligible securities:
- Small positions can be omitted. If a manager holds fewer than 10,000 shares of an issuer and the position is worth less than $200,000, it doesn't have to be listed.
- Options and convertibles get their own line. A manager can aggregate common stock positions in the same issuer together, but options, warrants, and convertible debt in that same issuer must be reported separately.
- The list changes every quarter. Securities get added and removed as they list, delist, or otherwise change status. A filing based on last quarter's list is filed incorrectly, even if nothing about the manager's actual holdings changed.
- SPAC shares and units are typically reportable once listed on a U.S. exchange, though warrants attached to a SPAC unit are treated separately from the underlying shares.
Why the List Matters More Than It Seems
Because the list is narrow and mechanical, a 13F is a partial picture by design. It shows what an institution holds in exchange-listed equities, ETFs, and a handful of adjacent instruments, not the full portfolio. A manager could run half its book in private credit and none of it would ever appear.
That's a useful thing to know if you're using 13F data to size up a prospect: it tells you about their public-markets sleeve specifically, and the read is only as good as the taxonomy behind it.
How Dakota Marketplace Classifies Every Reportable Instrument
Dakota ingests every 13F filing and tags each position by the actual vehicle type it represents, not just the raw security. That breakdown includes:
- ETFs, the largest segment by both record count and AUM, spanning U.S. equities, fixed income, and crypto vehicles including spot Bitcoin and ETH ETFs
- Mutual funds voluntarily reported by managers beyond the mandatory scope, skewed toward fixed income, multi-asset, and target-date strategies
- Closed-end funds, fixed-share-count vehicles concentrated in U.S. fixed income and infrastructure
- Interval funds, a growing structure for democratized alternatives, led by private real estate and private credit exposure
- BDCs, business development companies lending to mid-market private businesses, dominated by financial services and direct lending
- REITs, classified within Dakota's broader sector equity taxonomy
Every one of those positions is also mapped across 19 asset classes and 236 sub-asset classes, so a fund manager isn't just seeing "this firm holds an ETF." They're seeing which asset class and sub-asset class that ETF represents, tied to a confirmed contact at the firm that holds it.
Fund managers can filter Dakota's 13F holdings data by investment firm, product structure, AUM, asset class, sub-asset class, active or passive management, and filing period, with results flowing directly into Salesforce, HubSpot, Backstop, or DealCloud.
Book a demo to see how Dakota classifies 13F holdings down to the vehicle and sub-asset class level.
