Olin Corporation
US ˙ NYSE ˙ US6806652052

SecurityOLN / Olin Corporation
InstitutionBokf, Na
Latest Disclosed Ownership514 shares
Latest Disclosed Value $ 15,281
Bokf, Na ownership in OLN / Olin Corporation

On May 8, 2026 - Bokf, Na filed a 13F-HR form disclosing ownership of 514 shares of Olin Corporation (US:OLN) valued at $15,281 USD as of March 31, 2026. The entity filed a previous 13F-HR on November 13, 2025 disclosing 0 shares of Olin Corporation. The current value of the position is $13,241 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-05-08 2026-03-31 13F OLIN common 680665205 514 514 15 0.0002
2025-11-13 2025-09-30 13F OLIN common 680665205 0 -36,718 -100.00 0 -100.00
2025-08-12 2025-06-30 13F OLIN common 680665205 36,718 301 0.83 738 -16.44 0.0119
2025-05-13 2025-03-31 13F OLIN common 680665205 36,417 181 0.50 883 -21.46 0.0156
2025-02-14 2024-12-31 13F OLIN common 680665205 36,236 155 0.43 1,123 -33.82 0.0190
2024-11-14 2024-09-30 13F OLIN common 680665205 36,081 -6,052 -14.36 1,698 -14.55 0.0301
2024-08-08 2024-06-30 13F OLIN COM PAR $1 680665205 42,133 -2,351 -5.29 1,987 -25.17 0.0357
2024-05-15 2024-03-31 13F OLIN COM PAR $1 680665205 44,484 -465 -1.03 2,654 9.49 0.0483
2024-02-14 2023-12-31 13F OLIN COM PAR $1 680665205 44,949 287 0.64 2,425 27.11 0.0475
2023-11-14 2023-09-30 13F OLIN COM PAR $1 680665205 44,662 -71 -0.16 1,908 -17.01 0.0421
2023-08-21 2023-06-30 13F OLIN COM PAR $1 680665205 44,733 -565 -1.25 2,299 -8.59 0.0468
2023-05-11 2023-03-31 13F OLIN COM PAR $1 680665205 45,298 -2,732 -5.69 2,514 -1.10 0.0526
2023-02-13 2022-12-31 13F OLIN COM PAR $1 680665205 48,030 419 0.88 2,543 24.55 0.0469
2022-11-14 2022-09-30 13F OLIN COM PAR $1 680665205 47,611 1,250 2.70 2,041 -4.89 0.0413
2022-08-11 2022-06-30 13F OLIN COM PAR $1 680665205 46,361 -267 -0.57 2,146 -11.98 0.0411
2022-05-13 2022-03-31 13F OLIN COM PAR $1 680665205 46,628 -168 -0.36 2,438 -9.44 0.0402
2022-03-11 2021-12-31 13F OLIN COM PAR $1 680665205 46,796 -2,593 -5.25 2,692 12.97 0.0417
2021-11-10 2021-09-30 13F OLIN COM PAR $1 680665205 49,389 -18,488 -27.24 2,383 -7.56 0.0410
2021-04-21 2021-03-31 13F OLIN COM PAR $1 680665205 67,877 67,877 2,578 0.0469
2018-02-14 2017-12-31 13F OLIN COM PAR $1 680665205 0 -9,733 -100.00 0 -100.00
2017-11-14 2017-09-30 13F OLIN COM PAR $1 680665205 9,733 0 0.00 334 13.22 0.0097
2017-08-14 2017-06-30 13F OLIN COM PAR $1 680665205 9,733 -508 -4.96 295 -12.46 0.0093
2017-05-15 2017-03-31 13F OLIN COM PAR $1 680665205 10,241 10 0.10 337 28.63 0.0105
2017-02-14 2016-12-31 13F OLIN COM PAR $1 680665205 10,231 0 0.00 262 24.76 0.0086
2016-11-10 2016-09-30 13F OLIN COM PAR $1 680665205 10,231 -2,408 -19.05 210 -33.12 0.0070
2016-08-12 2016-06-30 13F OLIN COM PAR $1 680665205 12,639 18 0.14 314 43.38 0.0111
2016-05-13 2016-03-31 13F OLIN COM PAR $1 680665205 12,621 -1,052 -7.69 219 -7.20 0.0079
2016-02-09 2015-12-31 13F OLIN COM PAR $1 680665205 13,673 2,880 26.68 236 30.39 0.0085
2015-11-13 2015-09-30 13F OLIN COM PAR $1 680665205 10,793 500 4.86 181 -34.66 0.0068
2015-08-13 2015-06-30 13F OLIN COM PAR $1 680665205 10,293 1,517 17.29 277 -1.42 0.0094
2015-05-14 2015-03-31 13F OLIN COM PAR $1 680665205 8,776 -180 -2.01 281 37.75 0.0095
2015-02-12 2014-12-31 13F OLIN COM PAR $1 680665205 8,956 -1,790 -16.66 204 -24.72 0.0070
2014-11-13 2014-09-30 13F OLIN COM PAR $1 680665205 10,746 -50 -0.46 271 -6.87 0.0091
2014-08-14 2014-06-30 13F OLIN COM PAR $1 680665205 10,796 0 0.00 291 -2.35 0.0093
2014-05-14 2014-03-31 13F OLIN COM PAR $1 680665205 10,796 0 0.00 298 -4.18 0.0099
2014-02-14 2013-12-31 13F OLIN COM PAR $1 680665205 10,796 10,796 311 0.0104
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.