Period
Q4 2021
Calendar quarter covered by the filing.
CSS LLC/IL portfolio
Q4 2021 · Holdings as of · Filed · reported in Form 13F
$2.25B
Full value: $2,254,212,000 · USD · 31 Dec 2021What changed in Q4 2021?
Comparable share positions since Q3 2021.
- New
- 313
- Increased
- 191
- Reduced
- 216
- Exited
- 270
8 positions with incomplete comparison or price data excluded.
Largest disclosed changes
-
shares
+91.96K
Full value: +91,958 · shares · 31 Dec 2021estimated+$190.69M
Full value: +$190,694,000 · USD · 31 Dec 2021 · Estimated from share changes and filing pricesWeight +8.46 percentage points
-
shares
+466.48K
Full value: +466,482 · shares · 31 Dec 2021estimated+$30.35M
Full value: +$30,347,567 · USD · 31 Dec 2021 · Estimated from share changes and filing pricesWeight +1.34 percentage points
-
shares
+574.8K
Full value: +574,801 · shares · 31 Dec 2021estimated+$20.73M
Full value: +$20,733,000 · USD · 31 Dec 2021 · Estimated from share changes and filing pricesWeight +0.92 percentage points
-
shares
+64.61K
Full value: +64,608 · shares · 31 Dec 2021estimated+$18.24M
Full value: +$18,239,000 · USD · 31 Dec 2021 · Estimated from share changes and filing pricesWeight +0.81 percentage points
-
shares
-153.74K
Full value: -153,742 · shares · 31 Dec 2021estimated-$13.31M
Full value: -$13,312,022 · USD · 31 Dec 2021 · Estimated from share changes and filing pricesWeight -0.74 percentage points
Estimates use share changes and filing prices. They are not trade proceeds. Options and principal positions are excluded.
Compare with Q3 2021Holdings
| Sym | Weight | Trade Impact | Company | Class | Share Change | Activity | Value change | SEC-reported value | SEC-reported price | Shares | Principal |
|---|
Filing details and SEC source
- Portfolio date
- 31 Dec 2021
- Reported 13F value
- $2,254,212,000
- Reported 13F holdings
- 980
- What this filing covers
-
13F holdings
980Parsed equity rows, excluding option-only view rows.
Reported value
$2,254,212,000SEC Form 13F market value, not total AUM.
Accepted by SEC
14 Feb 2022EDGAR acceptance date.
How to read this filing
- Start with the largest positions and changes, then open issuer-level rows for CUSIP-specific history.
- Form 13F market value excludes cash and many non-13F assets, so it should not be treated as total assets under management.
- SEC classifies this as a holdings report: this manager reports its visible U.S.-listed equity holdings in this filing.
- Largest 13F holdings
-
AVGOP DEXCOM INC ANTERO RESOURCES CORP WAYFAIR INC NEEPRO SILICON LABORATORIES INC ISTAR INC WTRU NEUROCRINE BIOSCIENCES INC INSIGHT ENTERPRISES INC II-VI INC RAMBUS INC DEL
+7 more
PCGU SNAP INC HEALTH CATALYST INC NUANCE COMMUNICATIONS INC PLUG PWR INC EVOLENT HEALTH INC PSXP - Manager signature
- Mitchel Bialek - CCO
- Manager location
- Chicago, IL
- Accepted by SEC
- 14 Feb 2022, 13:04:02 UTC
- SEC form
- 13F-HR
- Prior SEC filing
- Q3 2021 - 15 Nov 2021
- Next SEC filing
- Q1 2022 - 16 May 2022
- Source filing
- View source filing
- Options holdings
- Showing equity holdings. Open options holdings.
13F snapshot
Latest parsed holdings, value, and filing-period context.
2 signals
Manager
Names, identifiers, and filing context for this profile.
2 identity fields
Source evidence
Original filing metadata and source links for verification.
5 source fields
Related views
1 detail
This view compares filing 2021 Q4 with 2021 Q3. Changes are calculated against the previous SEC filing.
SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held.
* marks a reported price that did not pass the local price check.
* marks a reported price that did not pass the local price check.
Person Signing this Report on Behalf of Reporting Manager:
| Name | Title | City, State | Date |
|---|---|---|---|
| Mitchel Bialek | CCO | Chicago, Illinois | 14 Feb 2022 |