SEC ownership of Sylvamo Corp

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001856485.

Comparable stake leader

ACR Group Paper Holdings LP

Disclosed value leader

ACR Group Paper Holdings LP

Comparable rows

3/50

Latest evidence

16 Oct 2026

Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 3 signals
Comparable ownership rows
3 of 50
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder
ACR Group Paper Holdings LP
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date
16 Oct 2026
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0001856485
Issuer location
Memphis, TN

Ownership snapshot

Top shareholders of Sylvamo Corp (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
ACR Group Paper Holdings LP
Disclosed value leader
ACR Group Paper Holdings LP
Comparable rows
3/50
Latest evidence
16 Oct 2026
13D/G 13F 3/4/5 Lead comparable stake: 16% 47 rows are not safely comparable across share classes. 13D/G row: ACR Group Paper Holdings LP Showing 1-8 of 50 holder rows.

Quick read

ACR Group Paper Holdings LP leads the comparable SEC ownership view at 16%.

3 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens ACR Group Paper Holdings LP's linked filing trail.
Comparable ownership Top 3
ACR Group Paper Holdings LP 16%
INTEGRATED CORE STRATEGIES (US) LLC 5.4%
NOMURA HOLDINGS INC 4%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-8 of 50 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
ACR Group Paper Holdings LP
13D/G
ACR Group Paper Holdings JR LP
16%
Reported 13D/G · 05 Nov 2025
$279,136,716
6,312,454 shares
$0 05 Nov 2025
INTEGRATED CORE STRATEGIES (US) LLC
13D/G
Millennium Management LLC
5.4%
Reported 13D/G · 18 Nov 2025
$88,221,844
2,148,608 shares
$0 18 Nov 2025
NOMURA HOLDINGS INC
13F 13D/G
Company
4%
Reported 13D/G · 30 Jun 2025
$81,270,000
2,150,000 shares
— 30 Jun 2026
Andrew M. Bursky
3/4/5
10%+ Owner
—
denominator unverified
$79,041,458
2,180,454 shares
— 21 Apr 2022
ACR Group Paper Holdings JR LP
3/4/5
10%+ Owner
—
denominator unverified
—
6,312,454 shares
— 21 Apr 2022
Atlas FRM LLC
13F
Company
13F
—
denominator unverified
$238,610,761
6,312,454 shares
— 30 Jun 2026
BlackRock, Inc.
13F
Company
13F
—
denominator unverified
$209,455,501
5,541,150 shares
— 30 Jun 2026
MILLENNIUM MANAGEMENT LLC
13F
Company
13F
—
denominator unverified
$95,163,201
2,517,545 shares
— 30 Jun 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Net insider flow leans to selling over the last 12 months. Net value: -$800,786.

Buys
$0
Insiders: 0
Sells
$800,786
Insiders: 4
Net
-$800,786
Shares: -17,980
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 0 Shares: 17,980
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 0 $0 $0 $0
3-6 0 1,230 $0 $51,291 -$51,291
6-9 0 11,750 $0 $509,825 -$509,825
9-12 0 5,000 $0 $239,670 -$239,670

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-20 of 31 reporting-owner rows connected to Sylvamo Corp. Open a relationship link for the CIK-to-CIK filing trail.

Rows
31
Largest Forms 3/4/5 holder
Andrew M. Bursky
Net 12M change
-$800,786
Latest report
16 Oct 2026
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Andrew M. Bursky 10%+ Owner $79,041,458 Mixed 21 Apr 2022
JeanMichel Ribieras Chairman and CEO, Director $7,693,035 Mixed 17 Oct 2025
John V Sims CEO & President, Director $6,539,923 Mixed 16 Oct 2026
Thomas A. Cleves SVP, Corporate Affairs $3,278,437 Mixed 29 Apr 2024
Gregory C. Gibson SVP, Commercial Excellence $2,884,213 Mixed 01 Apr 2024
Matthew L. Barron SVP, Chief Admin & Legal $2,304,599 Mixed 16 Oct 2026
Rodrigo Davoli SVP & GM, North America $2,217,803 -$150,995 -6.4% Mixed 16 Oct 2026
Patrick Wilczynski SVP, Operational Excellence $1,702,461 -$253,680 -13% Mixed 16 Oct 2026
David D. Petratis Director $1,699,206 Mixed 16 Oct 2026
Karl L. Meyers Director $1,390,261 Mixed 17 Oct 2025
J. Paul Rollinson Director $1,353,154 Mixed 29 Apr 2025
Donald P. Devlin SVP Chief Financial Officer $1,217,723 Mixed 16 Oct 2026
Oliver Taudien Svp $1,140,167 Mixed 29 Apr 2025
Kalman Hirschfeld Tatiana SVP & GM, Latin America $1,105,068 Mixed 16 Oct 2026
Stanley A. Askren Director $872,064 Mixed 29 Jul 2025
Christine S. Breves Director $837,579 Mixed 16 Oct 2026
Marcia Vargas SVP & Chief People Officer $809,580 Mixed 16 Oct 2026
Joia M. Johnson Director $756,316 Mixed 16 Oct 2026
Peggy Maes SVP & Chief People Officer $743,327 Mixed 29 Jul 2024
Jeanmarie F. Desmond Director $728,648 Mixed 16 Oct 2026

Recent insider transactions for Sylvamo Corp

Showing up to 300 recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % SEC-reported value SEC-reported price Shares Shares owned Date Ownership
James P. Zallie SLVM Dividend Equivalent Units Award 16.5% 53.84 381 16 Oct 2026 Direct
David D. Petratis SLVM Deferred Stock Units Award 19.4% 557 3,426 16 Oct 2026 Direct
Joia M. Johnson SLVM Dividend Equivalent Units Award 120.1% 53.84 99 16 Oct 2026 Direct
Joia M. Johnson SLVM Deferred Stock Units Award 15% 194 1,491 16 Oct 2026 Direct
Jeanmarie F. Desmond SLVM Deferred Stock Units Award 25.4% 164 808 16 Oct 2026 Direct
Lizanne M. Bruce SLVM Dividend Equivalent Units Award 16.5% 53.84 381 16 Oct 2026 Direct
Christine S. Breves SLVM Dividend Equivalent Units Award 25.6% 53.84 264 16 Oct 2026 Direct
Christine S. Breves SLVM Deferred Stock Units Award 13.9% 81.26 665 16 Oct 2026 Direct
Patrick Wilczynski SLVM Dividend Equivalent Units Award 9.36% 115 1,348 16 Oct 2026 Direct
Marcia Vargas SLVM Dividend Equivalent Units Award 14.4% 122 967 16 Oct 2026 Direct
John V Sims SLVM Dividend Equivalent Units Award 18.3% 692 4,472 16 Oct 2026 Direct
Shawn M. Lawson SLVM Dividend Equivalent Units Award 10% 76.15 836 16 Oct 2026 Direct
Kalman Hirschfeld Tatiana SLVM Dividend Equivalent Units Award 7.17% 90.01 1,346 16 Oct 2026 Direct
Kevin W. Ferguson SLVM Dividend Equivalent Units Award 7.88% 54.46 746 16 Oct 2026 Direct
Donald P. Devlin SLVM Dividend Equivalent Units Award 22.1% 243 1,345 16 Oct 2026 Direct
Rodrigo Davoli SLVM Dividend Equivalent Units Award 7.97% 129 1,743 16 Oct 2026 Direct
Matthew L. Barron SLVM Dividend Equivalent Units Award 13.8% 213 1,759 16 Oct 2026 Direct
Kevin W. Ferguson SLVM Common Stock Tax liability -1.29% -78.31 5,975 01 Sep 2026 Direct
James P. Zallie SLVM Dividend Equivalent Units Award 15.9% 44.82 327 28 Jul 2026 Direct
David D. Petratis SLVM Deferred Stock Units Award 19.3% 464 2,869 28 Jul 2026 Direct
Joia M. Johnson SLVM Dividend Equivalent Units Award 44.82 45 28 Jul 2026 Direct
Joia M. Johnson SLVM Deferred Stock Units Award 14.2% 161 1,297 28 Jul 2026 Direct
Jeanmarie F. Desmond SLVM Deferred Stock Units Award 26.8% 136 644 28 Jul 2026 Direct
Lizanne M. Bruce SLVM Dividend Equivalent Units Award 15.9% 44.82 327 28 Jul 2026 Direct
Christine S. Breves SLVM Dividend Equivalent Units Award 25.7% 44.82 219 28 Jul 2026 Direct
Christine S. Breves SLVM Deferred Stock Units Award 13.1% 67.64 584 28 Jul 2026 Direct
Patrick Wilczynski SLVM Dividend Equivalent Units Award 8.44% 95.95 1,232 28 Jul 2026 Direct
Marcia Vargas SLVM Dividend Equivalent Units Award 13.6% 101 846 28 Jul 2026 Direct
John V Sims SLVM Dividend Equivalent Units Award 18% 576 3,780 28 Jul 2026 Direct
Shawn M. Lawson SLVM Dividend Equivalent Units Award 25.9% 156 760 28 Jul 2026 Direct
Tatiana Kalman Hirschfeld SLVM Dividend Equivalent Units Award 16.3% 176 1,256 28 Jul 2026 Direct
Kevin W. Ferguson SLVM Dividend Equivalent Units Award 11.2% 69.71 691 28 Jul 2026 Direct
Donald P. Devlin SLVM Dividend Equivalent Units Award 34% 280 1,102 28 Jul 2026 Direct
Rodrigo Davoli SLVM Dividend Equivalent Units Award 18.5% 252 1,614 28 Jul 2026 Direct
Matthew L. Barron SLVM Dividend Equivalent Units Award 13% 177 1,546 28 Jul 2026 Direct
Lizanne M. Bruce SLVM Common Stock Sale -7.83% $51,291 $41.70 -1,230 14,475 15 Jun 2026 Direct
Shawn M. Lawson SLVM Common Stock Tax liability -5.55% -980 16,676 01 Jun 2026 Direct
Kevin W. Ferguson SLVM Common Stock Tax liability -3.26% -204 6,053 01 Jun 2026 Direct
Donald P. Devlin SLVM Common Stock Tax liability -2.8% -813 28,175 01 Jun 2026 Direct
David D. Petratis SLVM Common Stock Award 37.1% 10,207 37,690 15 May 2026 Direct
James P. Zallie SLVM Common Stock Award 30.2% 3,876 16,705 15 May 2026 Direct
David D. Petratis SLVM Common Stock Award 27.7% 7,623 35,106 15 May 2026 Direct
Joia M. Johnson SLVM Common Stock Award 30.2% 3,876 16,705 15 May 2026 Direct
Jeanmarie F. Desmond SLVM Common Stock Award 30.1% 3,876 16,734 15 May 2026 Direct
Lizanne M. Bruce SLVM Common Stock Award 32.8% 3,876 15,705 15 May 2026 Direct
Christine S. Breves SLVM Common Stock Award 25.5% 3,876 19,076 15 May 2026 Direct
James P. Zallie SLVM Dividend Equivalent Units Award 11.1% 28.22 282 28 Apr 2026 Direct
Joia M. Johnson SLVM Deferred Stock Units Award 14.4% 143 1,136 28 Apr 2026 Direct
Jeanmarie F. Desmond SLVM Deferred Stock Units Award 18.9% 80.81 508 28 Apr 2026 Direct
David D. Petratis SLVM Deferred Stock Units Award 14.6% 306 2,405 28 Apr 2026 Direct
* marks a reported price that did not pass the local price check.
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