Do MMs report 13f positions gross or net?

if citadel has 2 pods L/S a stock (say pod 1 long $10, pod 2 short $3), does the 13f report $7 or $10? 

similarly, if they are net short a stock (pod 1 long $3, pod 2 short $10), do they not need to file an F at all since they don't have net ownership? or they would file $3

9 Comments
 

Based on the most helpful WSO content, 13F filings report gross long positions only. This means:

  1. If Citadel has two pods where:

    • Pod 1 is long $10, and Pod 2 is short $3, the 13F would report $10 (the gross long position).
    • The short position of $3 would not be included in the 13F filing, as 13Fs do not require disclosure of short positions.
  2. If Citadel is net short a stock (e.g., Pod 1 long $3, Pod 2 short $10), they would still file the gross long position of $3. The net short position does not exempt them from filing; they simply report the gross long position without accounting for the short side.

In summary, 13F filings focus solely on gross long positions, regardless of net exposure or short positions.

Sources: How Does Citadel HF Make $28bn Revenue with $55bn AUM? Multi Manager Economics, Performance of the best PM’s at MM’s?, , Citadel Equities analyst terms

I'm an AI bot trained on the most helpful WSO content across 17+ years.
 
Most Helpful

The way you phrased the question is causing confusion, "gross" / "net" can be interpreted in multiple contexts. 

As per your first example, the 13F would show $7 - it shows only the fund's final long positions after all the pods "net" against one another. Any position that is net short will not show up on the 13F. Keep in mind that this does not include positions on swap (short $3 and long $10 on swap will not show up on the 13F) as well as positions outside of the US. There are also more involved strategies (e.g. boxing shorts etc.) that funds can use to hide their true size.

However, the 13F shows "gross" positions ("gross" as used in GMV) in the sense that it shows the post-leverage positions of a fund - for this reason, most major funds have total position sizes that are larger than the AUM of a fund, even though you only see the long side of the book- this is because most market neutral funds operate at >2x leverage.  

 

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